id
string
dataset
string
question
string
options
list
answer
string
explanation
string
aquarat_1968
aquarat
<ctx> that somebody secretly rolls two fair six - sided dice, and we wish to compute the probability that the face - up value of the first one is 2, given the information that their sum is no greater than 5. let d1 be the value rolled on die 1. let d2 be the value rolled on die 2. probability that d1 = 2 table 1 shows ...
[ "A)1/12", "B)1/3", "C)1", "D)5/9" ]
C
MAGOOSHOFFICIAL SOLUTION For the first die, we can roll any one of six numbers. For the second die, we can roll any number save for the number we rolled on the first die, giving us 5 possibilities. For the third die, we can roll four different numbers (we can’t roll the number we rolled on the first or second die. 6= 6...
medmcqa_6701
medmcqa
<ctx> a central nervous system primitive neuroectodermal tumor, often abbreviated as pnet, supratentorial pnet, or cns - pnet, is one of the 3 types of embryonal central nervous system tumors ( medulloblastoma, atypical teratoid rhabdoid tumor, and pnet ). it is considered an embryonal tumor because it arises from cell...
[ "Craniopharyngioma", "Medulloblastoma", "Astrocytoma", "Ependymoma" ]
A
Ans. A. CraniopharyngiomaTumors arising from the brain are common in children. Certain genetic syndromes and familial factors increase the risk of occurrence of brain tumors. Over 2/3 of brain tumors in children are infratentorial. They can be classified as:* Cerebellar Tumors: Medulloblastoma, Astrocytoma* Brainstem T...
aquarat_19228
aquarat
<ctx> convex hull is chosen, one can then apply the formula using the previous and next vertices, even if those are not on the convex hull, as there can be no local concavity on this vertex. if the orientation of a convex polygon is sought, then, of course, any vertex may be picked. for numerical reasons, the following...
[ "A)10", "B)16", "C)8", "D)11" ]
C
one of the interior angle = 180 - 360/n sum of the interior angles is = n (180 - 360/n) given n(180 - 360/n)=1080 180n - 360 = 1080 180n = 1440 n = 1440/180 = 8 ANSWER:C
aquarat_500
aquarat
<ctx> the age of 18 at the end of the year. united kingdom england and wales in england and wales, " year 13 " ( or " upper sixth " ) is the last year of a - level certifications which are completed to finalize a student's last academic year. students are usually 16 – 17 in year 12 and 17 – 18 in year 13. while the sch...
[ "A)9", "B)71", "C)85", "D)92" ]
B
Age of the 15th student = 19*15 - (14*5+16*9) = 285-214 = 71 years Answer is B
aquarat_6786
aquarat
<ctx> high - speed rail ( hsr ) is a type of rail transport network utilizing trains that run significantly faster than those of traditional rail, using an integrated system of specialized rolling stock and dedicated tracks. while there is no single standard that applies worldwide, lines built to handle speeds above or...
[ "A)120 m", "B)180 m", "C)100 m", "D)150 m" ]
C
60 kmph=50/3 m/sec 50/3*6=100 m ANSWER:C
medmcqa_5045
medmcqa
<ctx> ##chological testing it is important that the diagnosis is empirically informed in order to determine if the cognitive deficits presented are legitimate. successful malingering and symptom exaggeration can result in substantial benefits for the individual including but not limited to significant financial compens...
[ "Beta 2 microglobulin", "Beta 2 transferrin", "Tyroglobulin", "Transthyretin" ]
B
Detection of beta-2 transferrin is considered pa of standard evaluation when CSF leak is suspected. Nasal and ear fluids are tested for detection of the beta-2 transferrin band by immunofixation electrophoresis (IFE) or Western blot analysis as a diagnostic tool for the presence of CSF or perilymph. This test is helpfu...
arc_challenge_746
arc_challenge
<ctx> 17. 5 sound interference and resonance : standing waves in air columns 38. a “ showy ” custom - built car has two brass horns that are supposed to produce the same frequency but actually emit 263. 8 and 264. 5 hz. what beat frequency is produced? 39. what beat frequencies will be present : ( a ) if the musical no...
[ "use different plants", "do the experiment again", "add a third type of music", "use fewer plants" ]
B
pubmedqa_826
pubmedqa
<ctx> the hepaxpert system helps in interpretation of hepatitis serology test results, whereas the thyrexpert system helps in interpretation of thyroid hormone test results. the toxopert system helps in interpretation of time sequences of toxoplasmosis serology test results. differential diagnosis decision support in r...
[ "yes", "no", "maybe" ]
A
medmcqa_4397
medmcqa
<ctx> beryllium is classified as an iarc group 1 carcinogen and can also cause interstitial lung disease. manufacturing workers, dental technicians, machinists, jewelers, plumbers, electricians, precious metal reclamation workers, and welders are at risk for beryllium exposure. cadmium cadmium is classified as an iarc ...
[ "Asthma like features", "Hypersensitivity pnemonitis", "Lung Ca", "Chronic bronchitis" ]
A
Ans. (a) Asthma like features(Ref: Robbins 9th 689)In 10-25% cases, disease may be progressive, with chest tightness recurring or persisting throughout the workweek.After >10 years of exposure, workers with recurrent symptoms are more likely to have an obstructive pattern on pulmonary function testing.
medmcqa_6183
medmcqa
<ctx> circuit are the striatum and the subthalamic nucleus ( stn ). the striatum receives inputs from both the cortex and the pars compacta of the substantia nigra ( snc ), while the stn only receives cortical inputs. two pathways emerge from the striatum. one pathway is called the indirect ( or nogo ) pathway and is i...
[ "Glutamine", "Glycine", "Serotonine", "Dopamine" ]
D
The nigrostriatal pathway or the nigrostriatal bundle (NSB), is a dopaminergic pathway that connects the substantia nigra with the dorsal striatum (i.e., the caudate nucleus and putamen). Dopaminergic neurons of this pathway synapse onto GABAergic neurons. Glycine is an inhibitory neurotransmitter in the central nervou...
aquarat_28712
aquarat
<ctx> on an m - machine flow - shop with a critical machine. european journal of operational research, 201, pp. 404 – 408. b. mor and g. mosheiov. ( 2010 ). scheduling problems with two competing agents to minimize minmax and minsum earliness measures. european journal of operational research, 206, pp. 540 – 546. b. mo...
[ "A)4", "B)6", "C)8", "D)10" ]
B
I am getting 12. E. Hope havent done any calculation errors.. approach.. let y=no. of days taken by Y to do w widgets. Then X will take y+2 days. 1/(y+2) +1/y = 5/12(5/12 is because (5/4)w widgets are done in 3 days. So, x widgets will be done in 12/5 days or 5/12 th of a widget in a day) Solving, we have y = 4 =>X tak...
medmcqa_4742
medmcqa
<ctx> , and others on available options and adaptive ways to engage in leisure activities of interest. prejudice of others toward disability can also be a barrier to participation for children with cp with respect to leisure activities. one way occupational therapists can address this barrier is to teach the child to e...
[ "Hypotonia", "Microcephaly", "Ataxia", "Flaccid paralysis" ]
D
Cerebral palsy is a static encephalopathy and a disorder of posture and movement often associated with seizures and deficit in the motor, language, and social milestones due to insult to the developing brain.MICROCEPHALY is a feature of cerebral palsy because of insult to the developing brain.DYSTONIC CP is associated ...
mmlu_aux_4423
mmlu_auxiliary
<ctx> crops, for example, have been altered such that they are resistant to pests, can be grown in more extreme heat, cold, or drought, and produce longer, stronger fibers to be used in textile production. one of the biggest threats to rice, which is a staple food crop especially in india and other countries within asi...
[ "Papaya.", "Pine.", "Apple.", "Poplar." ]
A
null
arc_challenge_692
arc_challenge
<ctx> action : global and regional changes in the biosphere over the past 300 years. cambridge university press. chen, rs. and rw. kates ( eds. ). 1994. climate change and world food security special issue of global environmental change, vol. 4 no. 1, march, 1994, pp. 1 – 88. burton, i. and kates. r. w. ( committee cha...
[ "forest fires in mountain regions", "succession that transforms grassland to forest", "decomposition of a desert rodent", "flash flooding in a country area" ]
B
mmlu_aux_2178
mmlu_auxiliary
<ctx> and entertainment. during training humans communicate their wishes with positive or negative reinforcement. after training is finished the human communicates by giving signals with words, whistles, gestures, body language, etc. apopo has trained southern giant pouched rats to communicate to humans the presence of...
[ "words when they communicate", "different sounds to mean the same thing", "a low sound to keep others away", "a high sound to keep others away" ]
C
null
medmcqa_4530
medmcqa
<ctx> tonsils are fully removed, any bleeding that occurs at the back of the throat is stopped and the patient is woken up using medical drugs. then the breathing tubes are completely removed and the patient is moved to the post - anesthesia care unit to recover and wake up. recovery from surgery after the coblation to...
[ "Within 6 hrs of operation", "Within 24 hrs of operation", "Within 3 weeks of operation", "Within 3 months of operation" ]
C
Secondary haemorrhage (occur from 3rd day onwards (5th to 10th day higher chances) due to sloughing of aeries caused by infection). It is the result of sepsis and premature separation of membrane. Ref : ENT textbook by Dhingra 6th edition Pgno : 430
mmlu_aux_4840
mmlu_auxiliary
<ctx> . to develop space science and explore outer space. the independent satellite navigation and positioning system mentioned by the white paper was beidou ( ). the development of beidou dates back to 1983 when academician of the chinese academy of sciences chen fangyun designed a primitive satellite navigation syste...
[ "Quite tired.", "A little scared.", "Tired but excited.", "A little nervous" ]
C
null
medmcqa_7242
medmcqa
<ctx> almost no shear strength. in solids, sound waves can be both transverse and longitudinal. ) figure 17. 5 shows a graph of gauge pressure versus distance from the vibrating string. figure 17. 3 a vibrating string moving to the right compresses the air in front of it and expands the air behind it. 726 17 • physics ...
[ "RBBB", "ASD", "VSD", "LBBB" ]
D
Ref Harrison 19 th ed pg 1447 Reversed or paradoxical splitting refers to a pathologic delay in aoic valve closure, such as that which occurs in patients with left bundle branch block, right ventricular pac- ing, severe AS, HOCM, and acute myocardial ischemia. With reversed or paradoxical splitting, the individual comp...
medmcqa_7958
medmcqa
<ctx> the administration of the opiate by 20 minutes was due to the drug and not to other ( unknown ) factors? what is the chance that mr. x would have needed neck surgery when he did if he had not been in a minor traffic crash the prior month? how likely is it that the bladder cancer of mrs y was caused by passive smo...
[ "Not operate at all", "Obtain consent from the police", "Operate without consent", "Obtain consent from the magistrate" ]
C
No duty to inform arises in an emergency in which the patient is unconscious or otherwise incapable of giving valid consent and harm from failure to treat is imminent. However, an emergency does not give the doctor a license to do whatever he deems advisable for the patient; it suppos only limited measures to save pati...
aquarat_26809
aquarat
<ctx> < 9. 99 : order = 50 if 9. 99 < = price < 19. 99 : order = 30 if price > = 19. 99 : order = 10 a. if price < 9. 99 : order = 50 else : order = 30 order = 10 b. if price < 9. 99 : order = 50 elif price < 19. 99 : order = 30 elif price = = 19. 99 : order = 10 c. if price < 9. 99 : order = 50 all terms involving on...
[ "A)31.25%", "B)35.5%", "C)37.5%", "D)39.5%" ]
A
Let marked price = $100. Then, C.P. = $64, S.P. = $84 Gain % = 20/64 * 100 = 31.25%. A
medmcqa_2287
medmcqa
<ctx> whether this association is due to an alteration of pathophysiology, a variation in symptoms, or a variation in care - seeking. discrete pathophysiology and carpal tunnel syndrome hereditary neuropathy with susceptibility to pressure palsies is a genetic condition that appears to increase the probability of devel...
[ "Atticoantral CSOM", "Tubotympanic CSOM", "Tympanosclerosis", "Foreign body in ear" ]
A
(a) Atticoantral CSOM(Ref. Scott Brown, 8th ed. Vol 2; 989)Tympanosclerosis is hyalinisation and calcification of the fibrous layer of tympanic membrane. It is not associated with cholesteatoma. Foreign body in ear does not lead to cholesteatoma formation.Keratosis obturans is the collection of desquamated keratin debr...
medmcqa_8636
medmcqa
<ctx> to occur at very high flow rates in the descending aorta, for example, in highly conditioned athletes. turbulence is also common in pathological conditions such as heart murmurs and stenotic heart valves. stenotic comes from the greek word " stenos, " meaning narrow. stenotic means narrowed, and a stenotic heart ...
[ "Left atrium", "Arch of aorta", "Ascending aorta", "Right atrium" ]
D
Ans. d (Right atrium). (Ref. Grey, Anatomy, 36th ed., 644)Torus aorticusAnterosuperior part of septal wall of right atrium bulges to some degree into the atrial cavity as torus aorticus. It is caused by proximity of right posterior aortic sinus and cusp.Torus auditoryThe postero-inferior wall of external meatus occasio...
arc_easy_2207
arc_easy
<ctx> in the table are separated into categories of conductors, semiconductors, and insulators, based on broad groupings of resistivities. conductors have the smallest resistivities, and insulators have the largest ; semiconductors have intermediate resistivities. conductors have varying but large free charge densities...
[ "copper", "plastic", "rubber", "wood" ]
A
medmcqa_224
medmcqa
<ctx> in cognitive functioning of the brain. additionally, a 2004 study indicated that " response inhibition " and " processing speed " reached adult levels by the age of fourteen and fifteen, respectively. inhibitory control is defined as the capacity voluntarily to inhibit or regulate prepotent attentional or behavio...
[ "Sublimation", "Suppression", "Humor", "Anticipation" ]
B
Suppression is pushing of unwanted feelings into unconscious which has reached conscious awareness.
medmcqa_2947
medmcqa
<ctx> pot synthesis of n - substituted 2, 5 - diketopiperazine's 7. the mild acidic and chemoselective post ugi activation of 5 involving simultaneous indolamide formation and tert - butoxycarbonyl ( boc ) removal gives the active amide 6 which allows cyclization to 7 without affecting other peptidic or even ester moie...
[ "Lignocaine", "Procaine", "Bupivacaine", "Dibucaine" ]
B
Esters (aminoesters) :- Procaine, chlorprocaine, tetracaine (amethocaine), Benzocaine, Cocaine. Amides (aminoamides) Lignocaine, Mepivacaine, Prilocaine, Bupivacaine, Etidocaine, Ropivacaine , Dibucaine.
arc_easy_1279
arc_easy
<ctx> chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. these processes are called chemical reactions and, in general, are not reversible except by further chemical reactions. ...
[ "leaves dropping from a tree", "leaves blowing in the wind", "leaves being burned in a fire", "leaves being crushed into pieces" ]
C
medmcqa_9586
medmcqa
<ctx> cam - 3001 ) – a human monoclonal igg4 antibody to the alpha chain of granulocyte macrophage colony - stimulating factor ( gm - csf receptor ). in 2007, some elements of the local press suggested this product could be the next humira. cam - 3001 is currently being developed by medimmune in the treatment of rheuma...
[ "Anakira", "Adalimumab", "Infliximab", "Leflunomide" ]
B
MUMABs- are fully humanized monoclonal antibodies Omabs- derived from mice Zumabs- 80 % Human Adaliimumab: This recombinant monoclonal anti-TNF Antibody is administered s.c. 40 mg every 2 weeks. Injection site reaction and respiratory infections are common adverse effects. Combination with Mtx is advised to improve the...
medmcqa_8797
medmcqa
<ctx> the amalgam and / or the tooth ), as well as cervical overhang and marginal ditching. the demarco et al. review of composite restoration studies noted that patient factors affect longevity of restorations : compared to patients with generally good dental health, patients with poorer dental health ( possibly due t...
[ "Supraversion", "Torsiversion", "Rotated", "Infraversion" ]
D
medmcqa_7711
medmcqa
<ctx> branchial arch or gill arch of fish ), is the first of six pharyngeal arches that develops during the fourth week of development. it is located between the stomodeum and the first pharyngeal groove. processes this arch divides into a maxillary process and a mandibular process, giving rise to structures including ...
[ "Vomer", "Palatine bone", "Sphenoid bone", "Sphenopalatine notch" ]
A
Sphenopalatine foramen is formed by the junction of the sphenopalatine incisure of the palatine bone with the sphenoid bone, located immediately posterior to the middle turbinate. This is the principal foramen through which branches of the sphenopalatine aery and maxillary nerve pass from the pterygopalatine fossa into...
qasc_1069
qasc
<ctx> like humans and other animals, fish suffer from diseases and parasites. fish defences against disease are specific and non - specific. non - specific defences include skin and scales, as well as the mucus layer secreted by the epidermis that traps microorganisms and inhibits their growth. if pathogens breach thes...
[ "people", "water", "humans", "animals" ]
C
qasc_198
qasc
<ctx> february 2018 response letter, the company had " requested that fda authorize a health claim for the relationship between the consumption of cranberry juice products and a reduced risk of recurrent urinary tract infection in healthy women. " the fda stated that they would consider the petition for a " qualified h...
[ "disease", "seeds", "bees", "food" ]
C
qasc_1947
qasc
<ctx> pruski and nearing indicated that, other factors such as land use unconsidered, it is reasonable to expect approximately a 1. 7 % change in soil erosion for each 1 % change in total precipitation under climate change. in recent studies, there are predicted increases of rainfall erosivity by 17 % in the united sta...
[ "streams", "motion", "LEDs", "water" ]
D
medmcqa_3879
medmcqa
<ctx> ##1 isozymes there is a significant difference in affinity for ca2 + / cam. in general, the pde1 enzymes have high affinity for the complex but the affinity can be affected by phosphorylation. phosphorylation of pde1a1 and pde1a2 by protein kinase a and of pde1b1 by cam kinase ii decreases their sensitivity to ca...
[ "Epoprostenol", "Bosentan", "Nifedipine", "Sildenafil" ]
D
First line drugs for Functional class II-III PAH : cGMP Signaling Modulators: PDE-5 Inhibitors - Sildenafil, Tadalafil, Vardenafil cGMP Signaling Modulators: sGC Stimulator - Riociguat Endothelin Receptor Antagonists - Bosentan, Ambrisentan First line drugs for Functional class IV PAH: IP Receptor Agonists: Prostacycli...
pubmedqa_841
pubmedqa
<ctx> would rather have their children stay inside the home because they fear that gang, drug violence, and other dangers might harm them. genetics childhood obesity is often the result of an interplay between many genetic and environmental factors. polymorphisms in various genes controlling appetite and metabolism pre...
[ "yes", "no", "maybe" ]
B
openbookqa_2165
openbookqa
<ctx> other organisms. domesticating wild plant and animal species for human benefit has occurred many times all over the planet, and has a major impact on the environment, both positive and negative. wildlife can be found in all ecosystems. deserts, rain forests, plains, and other areas — including the most developed ...
[ "building large numbers of cars", "contaminating the ground with poisonous substances", "dumping toxic waste in ocean", "making sure trash is reused for new purposes" ]
D
medmcqa_7923
medmcqa
<ctx> ##riction site, and binding to essential centromere proteins that signal the presence of a kinetochore. neocentromeres have been detected in human cancers, even though the observed frequency of neocentromeres in the population is relatively low. there is a strong correlation between neocentromeres and a specific ...
[ "Smoldering myeloma", "Primary effusion lymphoma", "Mycosis fungoides", "Lymphoplasmacytic lymphoma" ]
D
Waldenstrom macroglobulinemia is a syndrome in which high levels of IgM lead to symptoms related to hyperviscosity of the blood. It occurs in older adults , most commonly associated with lymphoplasmacytic lymphoma. Smoldering myelomas an uncommon variant of multiple myeloma defined by a lack of symptoms and a high plas...
openbookqa_2576
openbookqa
<ctx> 25. 4 total internal reflection 10. a ring with a colorless gemstone is dropped into water. the gemstone becomes invisible when submerged. can it be a diamond? explain. 11. a high - quality diamond may be quite clear and colorless, transmitting all visible wavelengths with little absorption. explain how it can sp...
[ "water", "sea monsters", "bats", "leprechauns" ]
A
medmcqa_4000
medmcqa
<ctx> . " cloning and expression of the cdna coding for aequorin, a bioluminescent calcium - binding protein ". biochem. biophys. res. comm., 126, 1259 - 1268 ( 1985 ). richard, j. p., prasher, d. c., ives, d. h., frey, p. a. " chiral [ 18o ] phosphorothioates. the stereochemical course of thiophosphoryl group transfer...
[ "Predominantly present in liver", "Involved in purine metabolism", "PRPP is the substrate required", "Its deficiency leads to Lysch Nyhan disease." ]
C
"SALVAGE REACTIONS" CONVE PURINES & THEIR NUCLEOSIDES TO MONONUCLEOTIDES Conversion of purines, their ribonucleosides, and their deoxyribonuc]eosides to mononucleotides involves so- called "salvage reactions" that require far less energy than de novo synthesis. The more impoant mechanism involves phosphoribosylation by...
mmlu_aux_3358
mmlu_auxiliary
<ctx> book about his experiences in space, sky walking : an astronaut's memoir, which was published in 2006. contents in mission : earth, voyage to the home planet, astronaut thomas david jones recounts his experiences studying the earth during his first mission with the united states space agency nasa. jones'space mis...
[ "In the space station.", "In the spaceship.", "Using a camera system.", "Teaming up with astronauts." ]
C
null
aquarat_32216
aquarat
<ctx> rear wheels of a car, given the following information. the car is suspended so that the wheels can turn freely. each wheel acts like a 15. 0 kg disk that has a 0. 180 m radius. the walls of each tire act like a 2. 00 - kg annular ring that has inside radius of 0. 180 m and outside radius of 0. 320 m. the tread of...
[ "A)4 metre", "B)12 metre", "C)240 metre", "D)2400 metre" ]
C
Number of times wheel moves in 1 hour = 20 * 60 = 1200 :. Distance moves = (1200*20) cms = 24000 cms In metres = 240 metre ANSWER:C
openbookqa_2015
openbookqa
<ctx> a window is an opening in an otherwise solid, opaque surface, through which light can pass. window may also refer to : aeronautics launch window, in aerospace, a time period in which a particular rocket must be launched chaff ( radar countermeasure ) ( originally called window ), during world war ii, the dropping...
[ "food chain", "water cycle", "life cycle", "lunar cycle" ]
B
mmlu_aux_2412
mmlu_auxiliary
<ctx> ##back whales or bottlenose dolphins. vocalization north atlantic right whales recordings are available online. many effective automated methods, such as signal processing, data mining, and machine learning techniques are used to detect and classify their calls. reproduction north atlantic right whales are promis...
[ "there'll be 210 belugas in the world", "259 belugas in all will be kept in aquariums", "there will be 49 belugas kept in aquariums in the U.S.", "18 belugas will be caught by Russians" ]
C
null
aquarat_6873
aquarat
<ctx> other coin is also gold, is. the flaw is in the last step. while those two cases were originally equally likely, the fact that you are certain to find a gold coin if you had chosen the gg box, but are only 50 % sure of finding a gold coin if you had chosen the gs box, means they are no longer equally likely given...
[ "A)1/6", "B)7/30", "C)1/4", "D)3/10" ]
B
But we ARE told that there is is only 1 green ball and only 1 yellow ball in the box, becausethere are 10 solid colored balls in a box,including 1 Green and 1 Yellowmeans exactly that. How else? Would it make ANY sense if there were for example 2 green balls and we were told thatthere are 10 solid colored balls in a bo...
medmcqa_4408
medmcqa
<ctx> the overall physical effects and facial appearance of dwarfism with premature aging. other features and findings include : intrauterine growth retardation, congenital hip dislocations, winged scapulae ( shoulder blades ), pes planus ( fallen arches ), pseudoepiphyses of the second metacarpals ( upper bone of the ...
[ "The junction of hard and soft palate", "Along the median raphae of hard palate", "The alveolar ridges", "None of the above" ]
C
"Bohn's nodules" are seen at the junction of hard and soft palate, whereas "Epstein pearls" are seen along the median raphae of hard palate. A third type known as "Dental lamina cysts of new born" are seen on the alveolar ridges.
openbookqa_1811
openbookqa
<ctx> waterways in general is known as surface hydrology. lakes a lake ( from latin lacus ) is a terrain feature, a body of water that is localized to the bottom of basin. a body of water is considered a lake when it is inland, is not part of an ocean, and is larger and deeper than a pond. natural lakes on earth are ge...
[ "propagate", "stagnate", "crash", "stall" ]
A
medmcqa_5454
medmcqa
<ctx> , haematoxylin stains nuclei blue - violet or brown. it is most often used with eosin in the h & e stain ( haematoxylin and eosin ) staining, one of the most common procedures in histology. hoechst stains hoechst is a bis - benzimidazole derivative compound that binds to the minor groove of dna. often used in flu...
[ "Methylviolet", "Brilliant cresyl blue", "Sudan black", "Indigo carmine" ]
B
Ref Robbins 9/e p635 Reticulocytes are stained in living state in-vitro so staining with dyes like brilliant cresyl blue and new methylene blue is preferred road supra vital staining Brilliant cresyl blue is a supravital stain used for counting reticulocytes. It is classified as an oxazine dye
medmcqa_8662
medmcqa
<ctx> a potential therapeutic target in the aggressive forms of thyroid cancer. proc natl acad sci u s a. 2014 ; mar ; 111 ( 11 ) : 4233 – 4238. yip l, wharry li, armstrong mj, silbermann a, mccoy kl, stang mt, ohori np, lebeau so, coyne c, nikiforova mn, bauman je, johnson jt, tublin me, hodak sp, nikiforov ye, carty ...
[ "Bronchus", "Ileum", "Rectum", "Colon" ]
A
Location of carcinoid tumors: Bronchus 27.9% , Ileum 14.9%, Rectum 13.6 %, colon 8.6 %. So Ileum comes next to bronchus and first in GI tract. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 3058, Table 350-3
aquarat_7366
aquarat
<ctx> . points table group b points system : win by an innings or 10 wickets = 7, win = 6, draw with first innings lead = 3, draw with first innings deficit = 1, no result = 1, loss = 0. matches group stage statistics batting bowling syed mushtaq ali trophy the syed mushtaq ali trophy, a twenty20 tournament in india, f...
[ "A)23 years", "B)20 years", "C)24 years", "D)21 years" ]
A
Explanation: Number of members in the team = 11 Let the average age of of the team = xx => Sum of the ages of all 11 members = 11x11x Age of the captain = 26 Age of the wicket keeper = 26 + 3 = 29 Sum of the ages of 9 members of the team excluding captain and wicket keeper =11x−26−29=11x−55=11x−26−29=11x−55 Average age...
openbookqa_2640
openbookqa
<ctx> a maternal effect is a situation where the phenotype of an organism is determined not only by the environment it experiences and its genotype, but also by the environment and genotype of its mother. in genetics, maternal effects occur when an organism shows the phenotype expected from the genotype of the mother, ...
[ "light", "elements", "younglings", "nothing" ]
C
aquarat_11886
aquarat
<ctx> sum most commonly means the total of two or more numbers added together ; see addition. sum can also refer to : mathematics sum ( category theory ), the generic concept of summation in mathematics sum, the result of summation, the addition of a sequence of numbers 3sum, a term from computational complexity theory...
[ "A)is odd", "B)Divisible by 2.", "C)Divisible by 3.", "D)Divisible by 4." ]
A
If 1st term is x: x+(x+1)=2x+1--->is odd If 2nd term is x: (x-1)+x=2x-1 --->is odd Answer: A
medmcqa_7946
medmcqa
<ctx> 2. 8 table 32. 5 background radiation sources and average doses to physically limit radiation doses, we use shielding, increase the distance from a source, and limit the time of exposure. figure 32. 7 illustrates how these are used to protect both the patient and the dental technician when an x - ray is taken. sh...
[ "1 mm", "3 mm", "0.5mm", "7mm" ]
C
lead aprons of thickness 0.5mm will reduce the intensity of scattered X rays over 90% and should be worn by all workers regularly exposed to X ray procedures. Radiation protection is the youngest bramch of hygiene and is called radiation hygiene. Parks textbook of preventive and social medicine.K Park. Edition 23.page ...
medmcqa_976
medmcqa
<ctx> diagnosis of lung cancer, computed tomography with special three - dimensional cad systems are established and considered as appropriate second opinions. at this a volumetric dataset with up to 3, 000 single images is prepared and analyzed. round lesions ( lung cancer, metastases and benign changes ) from 1 mm ar...
[ "Median umbilical fold is obliterated to become urachus in adults", "Medial umbilical fold is peritoneal fold on medial umbilical ligament", "Medial umbilical fold covers allantois", "Lateral umbilical fold produced by inferior epigastric vessels" ]
C
Urachus fistula is a remnant of allantoic diveiculum. It is a diveiculum of hind gut and connects umbilicus to urinary bladder. The lumen of allantoic duct-is obliterated at the time of bih. Median Umblical Ligament is the remanant of urachus. It covers allantois. Urine keeps on dribbling in urachal fistula Figure show...
aquarat_20839
aquarat
<ctx> later in the form of rain. turnover time if the flow is steady and conservative, the mean residence time equals the ratio between the amount of fluid contained in the control volume and the flow rate through it : this ratio is commonly known as the turnover time or flushing time. when applied to liquids, it is al...
[ "A)2/3", "B)5/18", "C)4/9", "D)3/8" ]
B
2/3 ---- 12 ? ----- 5 ==> 5/18 B
openbookqa_2940
openbookqa
<ctx> ##land with abundant vegetation cover and prey species. behavior and ecology cougars are important keystone species in western hemisphere ecosystems, linking numerous different species at many trophic levels. in a comprehensive literature review of more than 160 studies on cougar ecology, ecological interactions ...
[ "debris", "people", "fire", "dirt" ]
A
qasc_5467
qasc
<ctx> bacteria ( ; : bacterium ) are ubiquitous, mostly free - living organisms often consisting of one biological cell. they constitute a large domain of prokaryotic microorganisms. typically a few micrometres in length, bacteria were among the first life forms to appear on earth, and are present in most of its habita...
[ "Too much money", "Too much time in the sun", "some viruses", "Sulfur dioxide" ]
B
medmcqa_5300
medmcqa
<ctx> children survive more than 5 years, while the majority of adults live to 7 years. the reason the prognosis for such tumor is worst in children is due to the higher probability of the tumor spreading to the rest of the nervous system through the cerebrospinal fluid and growing again. moreover, children have the pr...
[ "Orbit", "Extremity", "Para testicular", "Urinary bladder" ]
B
The prognosis of rhabdomyosarcoma is likely to be poor if it involves the extremity. Extremity rhabdomyosarcomas in adolescents and young adults usually have alveolar histologic characteristics and carry a worse prognosis. Other poor prognostic factors associated with it includes age less than 1 and more than 10 years,...
qasc_3131
qasc
<ctx> continues over whether or not the first condition for this hypothesis has been met. the second condition that needs to be met in support of the predator attraction hypothesis is that additional predators must occasionally disrupt predation events, increasing the probability that prey will escape. in the northern ...
[ "bite the fisher", "decreases its bodily water", "Change colors", "extend it's quills" ]
D
medmcqa_311
medmcqa
<ctx> trigeminal nerve carries general somatic afferent fibers ( gsa ), which innervate the skin of the face via ophthalmic ( v1 ), maxillary ( v2 ) and mandibular ( v3 ) divisions. the trigeminal nerve also carries special visceral efferent ( sve ) axons, which innervate the muscles of mastication via the mandibular (...
[ "Trigeminal", "Mandibular", "Ariculo temporal", "Lingual" ]
C
Syndrome (Gustatory Sweating) aka auriculotemporal syndrome: Frey's syndrome arises as a complication of parotid surgery usually manifesting several months after the operation. lt is characterised by sweating and flushing of the preauricular skin during mastication causing nuisance to the person or social embarrassment...
arc_challenge_174
arc_challenge
<ctx> observed, or not even occur at all. this is the case with the conversion of diamond to lower energy graphite at atmospheric pressure, in such a reaction diamond is considered metastable and will not be observed converting into graphite. if the products are higher in chemical energy than the reactants then the rea...
[ "a complimentary response", "a control system", "negative feedback", "positive feedback" ]
C
openbookqa_1072
openbookqa
<ctx> , and byproducts resulting from sugar beets and sugarcane processing. roughages : grass pastures, or plant parts like hay, silage, root crops, straw, and stover. diets given to different species are all not the same. for example, livestock animals are fed on a diet that consists mainly of roughages, while poultry...
[ "animals", "fungi", "water", "plants" ]
B
qasc_8057
qasc
<ctx> indications of waterborne debris and sediment transport. defined river or stream bed and banks. the catchment area exceeds. usgs regression on the vhd data layer - oriented application on the probability of intermittent flow. the existence of aquatic organisms that require uninterrupted circulation. as shown by b...
[ "movement of tectonic plates", "dry streambeds", "long periods of time", "Physical weathering" ]
C
aquarat_35156
aquarat
<ctx> into 3 bins of capacity 60 ( which is optimal ) : 44, 8, 8 ; 24, 24, 6, 6 ; 22, 21, 17. but if the " 17 " becomes " 16 ", then ffd with capacity 60 needs 4 bins : 44, 16 ; 24, 24, 8 ; 22, 21, 8, 6 ; 6. so multifit must increase the capacity, for example, to 62 : 44, 16 ; 24, 24, 8, 6 ; 22, 21, 8, 6. generalizatio...
[ "A)A)5", "B)B)8", "C)C)10", "D)D)15" ]
A
Total number of ways to choose 6 chairs from 5= 6C2=15 Total number of combination=150 That means we need get 10 combinations from the selection of tables.... Screening through the answers.... 5C3=10..... 10*15=150 Answer is 5... A
qasc_1241
qasc
<ctx> leaves hurriedly and tells shun she'll be back tomorrow. shun, now alone, looks up at the stars and falls from the ledge to his death. the next morning, asuna hears from her mother that a boy was found dead in the river, but refuses to believe it's shun. in school, mr. morisaki, a substitute teacher, is giving a ...
[ "eggs separate", "Earth orbiting the Sun", "sperm and egg fuse", "competition" ]
C
aquarat_17135
aquarat
<ctx> this list contains selected positive numbers in increasing order, including counts of things, dimensionless quantities and probabilities. each number is given a name in the short scale, which is used in english - speaking countries, as well as a name in the long scale, which is used in some of the countries that ...
[ "A)28", "B)32", "C)36", "D)40" ]
B
2*5 will give one 0 at the end. We need 2^7*5^7 to get 7 zeroes at the end. There are many 2's, so we need to find the first 7 appearances of 5. These multiples of 5 are: 5, 10, 15, 20, 5*5, 30...which gives us 7. To have at least 7 zeroes at the end, a => 30. The answer is B.
openbookqa_294
openbookqa
<ctx> solar months, and their adjustment by a lunar leap month of adhimasa. rtus are also described as yugamsas ( or parts of the yuga, i. e. conjunction cycle ). tripathi ( 2008 ) holds that'twenty - seven constellations, eclipses, seven planets, and twelve signs of the zodiac were also known at that time.'aryabhata (...
[ "double half a calendar year", "a very long time", "almost half of a lifetime", "more than two years" ]
A
openbookqa_1858
openbookqa
<ctx> elk, the primary prey of the gray wolf, became less abundant and changed their behavior, freeing riparian zones from constant grazing. the respite allowed willows and aspens to grow, creating habitat for beaver, moose, and scores of other species. in addition to the effects on prey species, the gray wolf's presen...
[ "to show rabbits they should stay away", "to get the energy it needs to survive", "because it hates rabbits", "to show other wolves it is strong" ]
B
aquarat_6496
aquarat
<ctx> this equation and entering the known values gives 10. 28 10. 29 10. 30 10. 31 10. 32 10. 33 out : solving for, we find that 5. 10 is, entering this into the expression above, we get 21. 34 21. 35 21. 36 21. 37 21. 38 21. 39 21. 40 ( which, if the result is negative, means it rounds up ). for example, java is o...
[ "A)A)360", "B)B)150", "C)C)180", "D)D)200" ]
A
Explanation: (1/4) * (1/3) * (2/5) * x = 30 then x = 30 * 30 = 900 40% of 900 = 360 Answer: Option A
arc_easy_1184
arc_easy
<ctx> pollination is the transfer of pollen from an anther of a plant to the stigma of a plant, later enabling fertilisation and the production of seeds, most often by an animal or by wind. pollinating agents can be animals such as insects, birds, and bats ; water ; wind ; and even plants themselves, when self - pollin...
[ "flower", "seed", "stem", "root" ]
A
aquarat_6239
aquarat
<ctx> a. run the algorithm until either one of the remaining pointers points to b or c, whichever occurs first. then the algorithm will run until the last pointer points to the remaining term, giving the affirmative solution. variants non - zero sum instead of looking for numbers whose sum is 0, it is possible to look ...
[ "A)12,8,8", "B)4,4,22", "C)9,3,32", "D)9,6,12" ]
A
Let the numbers be a, b and c. a:b:c = 3:2:2 Given, (a + b) + (c - b) = 20 => a + c = 20 => 3x + 2x = 20 => x =4 a, b, c are 3x, 2x, 2x a, b, c are 12, 8, 8. Answer:A
aquarat_2867
aquarat
<ctx> digested, reducing the volume of solids. the liquid component flows through the dividing wall into the second chamber, where further settlement takes place. the excess liquid, now in a generally clear condition, then drains from the outlet into the septic drain field, also referred to as a leach field, drain fiel...
[ "A)33", "B)88", "C)24", "D)99" ]
C
1/6 - 1/x = 1/8 x = 24 Answer: C
medmcqa_1137
medmcqa
<ctx> where he considered to be the most likely places traversed by dead soul's highway. he also placed some ashes on the path so that he could see the foot print of her daughter. some hours after nightfall, he heard the sound of khingte i. e. " the string of tiny ornamental brass bells worn by chin girls around their ...
[ "Normal grief", "Grief psychosis", "Bereavement reaction", "Supernatural phenomenon" ]
B
B i.e. Grief psychosis Bereavement, Grief, or Mourning is a psychological reaction of those who survive a significant loss. Differences between normal & abnormal grief:Identifying with a deceased person such as taking on ceain admired traits or treasuring ceain possessions is normal; believing that one is the deceased ...
aquarat_15301
aquarat
<ctx> )? 11. a student drove to the university from their home and noted that the odometer reading of their car increased by 12. 0 km. the trip took 18. 0 min. ( a ) what was their average speed? ( b ) if the straight - line distance from their home to the university is per hour. one can ask whether the vehicles are g...
[ "A)2:00", "B)2:30", "C)3:00", "D)3:30" ]
D
In the first 30 minutes, Scott can travel 6 miles, so there are 65 miles left. Together Annie and Scott can complete 26 miles. 65/26 = 2.5, so they will meet 2.5 hours after 1:00. The answer is D.
aquarat_32586
aquarat
<ctx> a test suite. for example, if it is required to randomly shuffle the values in an array representing a standard pack of playing cards, this pseudocode does the job using the fisher – yates shuffle algorithm : for i from 1 to 52 j : = i + randomint ( 53 - i ) - 1 a. swapentries ( i, j ) where a is an array object,...
[ "A)40", "B)30", "C)15", "D)10" ]
C
problem of combination 6C4 = 6!/4!*(6-4)! = 6*5*4!/4!*2! =15 C
qasc_7873
qasc
<ctx> ##valent states. a subsequent study suggested that the quantification of covalent states of a protein containing multiple disulfide bonds can be approximated by employing probabilities associated with the formation of the disulfide bonds. hogg has also examined the role of allosteric disulfides in controlling pro...
[ "edema", "Toxins", "H 2 O", "bind" ]
D
mmlu_aux_2933
mmlu_auxiliary
<ctx> bi - directional, if one species had a net gain in carbon, and if more carbon was transferred through the soil pathway or common mycorrhizal network ( cmn ). cmns occur when fungal mycelia link roots of plants together. the researchers followed seedlings of paper birch and douglas - fir in a greenhouse for 8 mont...
[ "why the roots of plants grow into the soil but not above it", "how the roots of plants grow into the soil but not above it", "the process of plants growth", "a growth control system of plants" ]
A
null
medmcqa_5631
medmcqa
<ctx> issn 0140 - 6736. pmc 8009612. pmid 33798499. nicholls, samuel m. ; poplawski, radoslaw ; bull, matthew j. ; underwood, anthony ; chapman, michael ; abu - dahab, khalil ; taylor, ben ; colquhoun, rachel m. ; rowe, will p. m. ; jackson, ben ; hill, verity ( 1 july 2021 ). " climb - covid : continuous integration s...
[ "EBV", "CMV", "HIV", "Leptospirosis" ]
D
Ans: d (Leptospirosis) Ref: Harrison, 16 ed, p. 116, 17th ed, p. 132A quite straight forward question. The answer is leptospirosis because it is not a viral cause of PUOPUO: (Pyrexia of unknown origin)Definition:Temperature >38.3(IC on several occasionsOrA duration of fever of >3 weeksOrFailure to reach a diagnosis des...
medmcqa_3350
medmcqa
<ctx> probability of double - hit mutant generation corresponds to purely symmetric division of scs with a large proliferation rate of border stem cells along with a small, but non - zero, proliferation rate of central stem cells. stem cell niches harboring continuously dividing cells, such as those located at the base...
[ "Discus proligerus", "Cumulus oophorus", "Luteal cells", "Villus cells" ]
B
Oocyte lies eccentrically in the ovarian (Graafian) follicle surrounded by some granulosa cells called cumulus oophorus. Discus proligerus is the attachment point of the cumulus oophorus to the most peripheral granulosa cells of an antral follicle. Large fluid-filled antrum (A) Cumulus oophorus (CO) Membrane granulose ...
medmcqa_3837
medmcqa
<ctx> run on windows xp, or windows 7. blocks five types of blocks are available : organization blocks ( ob ) - for managing the control program programming blocks ( pb ) - contain the control program structured according to functional or process - oriented characteristics sequence blocks ( sb ) - for programming seque...
[ "Constant PR interval", "Normal QRS morphology", "Regular atrial rhythm", "Atrial rate - ventricular rate" ]
A
aquarat_47696
aquarat
<ctx> area is the measure of a region's size on a surface. the area of a plane region or plane area refers to the area of a shape or planar lamina, while surface area refers to the area of an open surface or the boundary of a three - dimensional object. area can be understood as the amount of material with a given thic...
[ "A)2644", "B)2446", "C)2464", "D)6442" ]
C
Sphere Total surface area = 4πr(power2) = 4 × 22/7 × 14 × 14 = 2464 Answer is C.
arc_easy_1364
arc_easy
<ctx> 1. in that example, we referred to two kinds of data : 1. the temperature during past three days — 90°f, 85°f, … 2. on each of those days, whether you needed a jacket — yes, no,... what is the type of each data? solution the temperatures are numbers followed by the unit degrees fahrenheit ( °f ). also, they indic...
[ "bar graph", "line graph", "pie chart", "data table" ]
B
openbookqa_1170
openbookqa
<ctx> green sea turtle habitats include coral reefs, salt marshes, and nearshore seagrass beds. the coral reefs provide red, brown, and green algae for their diet and give protection from predators and rough storms within the ocean. the salt marshes and seagrass beds contain seaweed and grass vegetation, allowing ample...
[ "hamburgers", "help from friends", "chloroplasts", "ordering out" ]
C
aquarat_44405
aquarat
<ctx> but other tools such as a portable reciprocating saw can damage other components of the car, such as the alternator, wiring or fuel lines, with potentially dangerous consequences. in 2023, bipartisan legislation to combat catalytic converter theft was introduced in the u. s. senate. the preventing auto recycling ...
[ "A)5p.m.", "B)6p.m.", "C)4p.m.", "D)7p.m." ]
A
Suppose the thief overtakes x hours after 2.30p.m. Distance covered by the thief in x hrs = distance covered by the owner in (x-1/2 hours) 60x = 75(x-1/2) 15x = 75/2 x = 5/2 hrs Thief is overtaken at 5p.m. Answer is A
openbookqa_1538
openbookqa
<ctx> and water, an increase of 119 million ha since 1990. thus, forest ecological studies are sometimes closely aligned with meteorological and hydrological studies in regional ecosystem or resource planning studies. perhaps more importantly the duff or leaf litter can form a major repository of water storage. when th...
[ "water", "calcium", "oxygen", "rocks" ]
C
aquarat_49511
aquarat
<ctx> that the red ball is not taken in the second draw, under the condition that it was not taken in the first draw, is 999 / 1999 ≈. the probability that the red ball is not taken in the third draw, under the condition that it was not taken in the first two draws, is 998 / 1998 ≈. continuing in this way, we can calcu...
[ "A)8/15", "B)2/3", "C)5/8", "D)1/4" ]
A
Total number of balls = 8+7 = 15 number of white balls = 8 Probability = 8/15 Answer is A
aquarat_30308
aquarat
<ctx> note that, so the condition is equivalent to and is equivalent to thus, we do not actually need, and since and, or, or, so by using instead of we save time and space by a factor of 1 /. also, the we subtract in the new test cancels the one in, so now the highest power of we have to evaluate is rather than. summar...
[ "A)10", "B)12", "C)15", "D)16" ]
C
Say the number of days Tom spent reading the book was dd. Then: The number of pages he read per day would be 480/d The number of pages he would read per day with an increased speed would be 480/d−5 e are told that the number of pages for the second case was 16 pages per day more, so 480/d=480/d−5−16 At this point it's ...
aquarat_27403
aquarat
<ctx> 1 ) | | = | | n0 + n1 + n2 | | = | | 54321098 + 43219876 + 98765 | | = | | align = " right " | 97639739 | - | q ( −1 ) | | = | | n0 − n1 + n2 | | = | | 54321098 − 43219876 + 98765 | | = | | align = " right " | 11199987 | - | q ( −2 ) | | = | | n0 − 2n1 + 4n2 | | = | | 54321098 − 2 × 43219876 + 4 × 98765 | | = | |...
[ "A)2^22+1", "B)2^45", "C)2^23+1", "D)2^24" ]
B
A1= 3 A2= 2*3-1= 5 A3= 2*5-1= 9 A4= 2*9-1= 17 We can notice that there is a squence A2-A1= 2^1 A3-A2= 2^2 A4-A3= 2^3 Hence A46-A45= 2^45 B is the answer
medmcqa_4266
medmcqa
<ctx> hemangioma is large it can cause abdominal pain, a sense of fullness in right upper abdominal area, heart problems, and coagulation dysfunction. cavernous hemangiomas are diagnosed with medical imaging ( do not usually need biopsy to confirm diagnosis ). given their benign course and often asymptomatic nature, ca...
[ "Endometriosis", "DUB", "Carcinoma cervix", "Pyometra" ]
A
Ans. a (Endometriosis). (Ref. Williams, Obstertrics, 21st ed., 930)ENDOMETRIOSISDefinition# Occurrence of ectopic endometrial tissues outside the true cavity of uterus.Etiology# Samson's implantation theory attributed to reflux of menstrual endometrium through tubes.# Coelomic metaplasia theory.# Metastatic theory.# Hi...
qasc_7736
qasc
<ctx> intensified in china. 1, 740, 000 square kilometres of land is classified as " dry ", and desertification disrupts the lives of 400 million people and causes direct economic losses of 54 billion yuan ( $ 7 billion ) a year, sfa figures show. sulfur ( an acid rain component ), soot, ash, carbon monoxide, and other...
[ "Life", "humans", "Impact craters", "Negative Charge" ]
A
qasc_2510
qasc
<ctx> bacteriophage ( phage ) are viruses of bacteria and arguably are the most numerous " organisms " on earth. the history of phage study is captured, in part, in the books published on the topic. this is a list of over 100 monographs on or related to phages. list of phage monographs ( descending date order ) books p...
[ "Bacteria", "animals", "the skin", "alveoli" ]
A
medmcqa_763
medmcqa
<ctx> a hearing aid is a device designed to improve hearing by making sound audible to a person with hearing loss. hearing aids are classified as medical devices in most countries, and regulated by the respective regulations. small audio amplifiers such as personal sound amplification products ( psaps ) or other plain ...
[ "Mild hearing loss", "Moderate hearing loss", "Severe hearing loss", "Profound hearing loss" ]
C
DEGREES OF HEARING LOSS 0-25dB-Not significant impairment- no significant difficulty with faint speech 26-40dB-Mild impairment-Difficult with faint speech 41-55dB-Moderate impairment -Frequently difficult with normal speech 56-70dB-Moderately severe impairment-Frequently difficult with loud sound 71-91dB-Severe impairm...
qasc_4205
qasc
<ctx> lapse rate and compare it to the predicted adiabatic lapse rate to forecast the likelihood that air will rise. charts of the environmental lapse rate are known as thermodynamic diagrams, examples of which include skew - t log - p diagrams and tephigrams. ( see also thermals ). the difference in moist adiabatic la...
[ "density", "west", "signs of life", "rain" ]
D
arc_challenge_382
arc_challenge
<ctx> 2. 5 the periodic table the discovery of the periodic recurrence of similar properties among the elements led to the formulation of the periodic table, in which the elements are arranged in order of increasing atomic number in rows known as periods and columns known as groups. elements in the same group of the pe...
[ "The elements in the group have similar atomic masses.", "The elements in the group have the same number of electrons.", "The elements in the group are very unreactive metals.", "The elements in the group react with oxygen in similar ways." ]
D
medmcqa_883
medmcqa
<ctx> . w. 1986. the trichomycetes : fungal associates of arthropods. springer - verlag, new york. 343 pp. lichtwardt, r. w., and williams, m. c. 1988. discovery of sexual reproduction in an unusual new species of stachylina ( trichomycetes ). mycologia 80 : 400 – 405. lichtwardt, r. w., and williams, m. c. 1990. trich...
[ "Man", "Cow", "Dog", "Pig" ]
B
Cow
aquarat_39505
aquarat
<ctx> a nearly flat rectangle bounded by vertices,,, and, and whose width and height are thereby and ( close enough to ), respectively. then the surface area of the wall is where the integral yields, so that the area of the wall is, and substituting yields. the base of the cylindrical ungula has the surface area of hal...
[ "A)12", "B)66", "C)73", "D)72" ]
A
Answer: A) 12 pi cub.cm
arc_challenge_939
arc_challenge
<ctx> in a cd or dvd can be well determined by using a laser and the equation. however, we can still make a good estimate of this spacing by using white light and the rainbow of colors that comes from the interference. reflect sunlight from a cd onto a wall and use your best judgment of the location of a strongly diffr...
[ "ruler", "scale", "voltmeter", "thermometer" ]
A
aquarat_7626
aquarat
<ctx> equal to the present value of $ 1, because holding a portfolio consisting of each arrow security will result in certain payoff of $ 1. consider a raffle where a single ticket wins a prize of all entry fees : if the prize is $ 1, the entry fee will be 1 / number of tickets. for simplicity, we will consider the int...
[ "A)Rs. 72", "B)Rs. 137.50", "C)Rs. 112.50", "D)Rs. 116.50" ]
B
solution To obtain Rs. 8, investment = Rs. 100. To obtain Rs. 11, investment = Rs.(100/8X11)= Rs. 137.50 ∴ Market value of Rs. 100 stock = Rs.137.50 Answer B
medmcqa_7347
medmcqa
<ctx> 1996 by the cdc. in these guidelines, the use of one of two prevention methods was recommended : either a risk - based approach or a culture - based screening approach. the cdc issued updated guidelines in 2002 ; these guidelines recommended the universal culture - based screening of all pregnant women at 35 – 37...
[ "Manometry", "Genotyping for cystic fibrosis", "Lower GI contrast study", "Serum trypsin immunoblot" ]
C
bowel obstruction with an absent caecal gas shadow in ileocolic cases. A soft tissue opacity is often visible in children. A barium enema may be used to diagnose the presence of an ileocolic intussusception (the claw sign) Ref: Bailey & Love&;s Sho Practice of Surgery,E25,Page-1196
aquarat_17941
aquarat
<ctx> 7. 1 work : the scientific definition 1. how much work does a supermarket checkout attendant do on a can of soup he pushes 0. 600 m horizontally with a force of 5. 00 n? express your answer in joules and kilocalories. 2. a 75. 0 - kg person climbs stairs, gaining 2. 50 meters in height. find the work done to acco...
[ "A)12 DAYS", "B)9 DAYS", "C)20 DAYS", "D)14 DAYS" ]
C
Answer: Option C 16 * 25 = 20 * x => x = 20 days
aquarat_33986
aquarat
<ctx> the answer should also have three significant figures. the answer 30. 0 km / hr does indeed have three significant figures, so this is appropriate. note that the significant figures in the conversion factor are not relevant because an hour is defined to be 60 minutes, so the precision of the conversion factor is ...
[ "A)130 km", "B)120km", "C)100km", "D)124km" ]
D
Let the partial distance covered at 40 kmph be X Let the another partial distance covered at 60 kmph be (250 - x) Thus, x/40 - (250 - x)/60 = 5.2 or, x/40 + (250 - x)/60 = 5.2 or, (3x + 500 - 2x)//120 = 5.2 or 500 + x = 624 x=124 ANSWER:D
aquarat_8319
aquarat
<ctx> 1988 : let and be positive integers such that divides. prove that is a perfect square. let and fix the value of. if, is a perfect square as desired. if, then and there is no integral solution. when, the equation defines a hyperbola and represents an integral lattice point on. if is an integral lattice point on wi...
[ "A)4932", "B)9126", "C)4566", "D)6815" ]
A
A number ending in 2 cannot be a perfect square. 4932 ends in a number 2, making that the correct answer (A) 4932