id
string
dataset
string
question
string
options
list
answer
string
explanation
string
aquarat_43319
aquarat
Mangala completes a piece of work in 15 days, Raju completes the same work in 35 days. If both of them work together, then the number of days required to complete the work is
[ "A)6 days", "B)10 1/2 days", "C)8 1/2 days", "D)9 days" ]
B
If A can complete a work in x days and B can complete the same work in y days, then, both of them together can complete the work in x y/ x+ y days. That is, the required No. of days = 15 × 35/50 = 10 1/2 days. B
qasc_6065
qasc
Flooding can cause what to leave an environment
[ "fish", "animals", "ducks", "plants" ]
B
aquarat_13313
aquarat
The distance between 2 cities A and B is 1000km. A train starts from A at 9 a.m. and travels towards B at 100 km/hr. Another starts from B at 10 a.m. and travels towards A at 150 km/hr. At what time do they meet?
[ "A)11am.", "B)12p.m.", "C)3pm.", "D)2p.m." ]
D
Suppose they meet x hrs after 9 a.m. Distance moved by first in x hrs + Distance moved by second in (x-1)hrs = 1000 100x + 150 (x-1) = 1000 x = 4.60 = 5 hrs They meet at 9+5 = 2 p.m. Answer is D
medmcqa_2189
medmcqa
The term applied when it is doubtful whether there will be space for all the teeth in mixed dentition analysis is:
[ "Space maintenance", "Space regaining", "Space supervision", "None of the above" ]
C
Space supervision  It is a term applied when it is doubtful, according to the mixed dentition analysis, whether there will be room for all the teeth. Prognosis for supervision is always questionable, where as prognosis is always good for regaining space and for space maintenance. Space supervision cases are those that...
mmlu_aux_1744
mmlu_auxiliary
Some trees can survive a long time without water. Think of trees that grow in the desert. But other trees may need more moisture than they can get from rainfall or from the air . Trees and other plants can look thirsty. Leaves can become weak and hang downward. They can also turn yellow. Yellowing can be a sign of too...
[ "watering deeply matters more than watering often", "we should water them as often as possible", "its roots have not spread out from the root ball yet", "a deep watering satisfies it for at most ten days in cold weather" ]
A
null
openbookqa_1332
openbookqa
Where would the environment be driest?
[ "the arctic tundra", "the Gobi Desert", "the Salton Sea", "the rain forest" ]
B
openbookqa_2869
openbookqa
every four seasons a cedar expands it's
[ "lung capacity", "sight", "vocal range", "outer covering" ]
D
qasc_7959
qasc
pollutants have a negative impact on animals if what?
[ "kill them", "ignored", "ingested", "Cars" ]
C
openbookqa_501
openbookqa
Why is acid rain unhealthy?
[ "because it causes drought", "because it evaporates too quickly", "It contains various detrimental particles from the air", "because it causes algae growth" ]
C
mmlu_aux_4793
mmlu_auxiliary
Can animals do work for us? Some scientists think that animals may do a lot of jobs. They say that we may see many elephants, monkeys, dogs, bears and other animals do a lot of things. Animals can get something to eat if they do some work for people. Some scientists say that many different animals may do lots of jobs ...
[ "In China apes can help people make cars.", "Scientists believe that monkeys may play the piano", "All the animal can do work.", "Apes may drive cars" ]
D
null
mmlu_aux_5131
mmlu_auxiliary
In the past 300 years, more than 130 species of animals have become _ . One of these extinct species is the passenger pigeon . At one time there were millions of these birds in North America, but now there are none. The last one died in the Cincinnati Zoo in 1914. Another extinct animal is the cape lion . The animal ha...
[ "less than 130", "about 200", "over 300", "nearly 300" ]
B
null
medmcqa_4107
medmcqa
Balanced occlusion with noncuspaL teeth is achieved by
[ "Compensating curves", "Incisal guide", "Balancing ramps", "None" ]
A
qasc_113
qasc
How do you feel heat on your skin?
[ "It burns", "Something coming from a gland", "Water vapor cooling", "Your sensory system picks it up" ]
D
qasc_7430
qasc
What does a hairy organism have under its skin to help insulate the body?
[ "fat", "hair", "food", "cell" ]
A
mmlu_aux_4230
mmlu_auxiliary
Which is safer --- staying at home, traveling to work on public transport, or working at the office? Surprisingly, each of these carries the same risk, which is very low.However, what about flying compared to working in the chemical industry? Unfortunately, the former is 65 times riskier than the latter! In fact the ac...
[ "they are very rare", "they often cause loss of life", "they always occur in big cities", "they arouse the interest of all the readers" ]
B
null
mmlu_aux_4307
mmlu_auxiliary
The oldest and most common source of renewaBle energy known to man, Biomass is one of the most important forms energy production in the United States and elsewhere. Since such a wide variety of Biomass materials is everywhere ---- from trees and grasses to agricultural and city ---- life wastes ----Biomass promises to...
[ "To prevent the waste of energy.", "To increase production safety.", "To reduce pollution.", "To save money." ]
C
null
aquarat_24084
aquarat
My brother is 3 years elder to me. My father was 28 years of age when my sister was born while my mother was 28 years of age when I was born. If my sister was 4 years of age of when my brother was born, then, what was the age of my father and mother respectively when my brother was born?
[ "A)32 yrs, 23 yrs", "B)32 yrs, 25 yrs", "C)35 yrs, 29 yrs", "D)35 yrs, 33 yrs" ]
B
Sol. Clearly, my brother was born 3 years before I was born and 4 years after my sister was born. So, father's age when brother was born = (28 + 4) = 32 years. mother's age when was born = (28 - 3) years = 25 years. Answer B
arc_challenge_649
arc_challenge
After a forest fire, which type of organisms will begin secondary succession?
[ "small shrubs", "mature oaks", "evergreens", "wildflowers" ]
D
arc_easy_1483
arc_easy
The cones of a jack pine tree require great amounts of heat to release their seeds. When are jack pine tree seeds most likely released?
[ "during a flood", "after a fire", "during a drought", "after a disease" ]
B
medmcqa_4348
medmcqa
Anesthetic agent/s which have tocolytic effect are?
[ "Halothane", "Enflurane", "Isoflurane", "All the above" ]
D
Ans. is 'd' i.e., All the above Halothane, enflurane and isoflurane produce a dose dependent decrease in uterine tone (tocolysis). Studies of isoflurane demonstrate that halogenated compounds reduce both the frequency of uterinecontractions and the interval between them.
medmcqa_8472
medmcqa
Libmansach's endocaritis is associated with?
[ "Rheumatic heart disease", "SLE", "Carcinoma", "None" ]
B
Ans. B. SLE. (Ref. Robbings pathology 8th/pg. 408).Robbin's pathology 8th/pg. 408# Libman-Sacks endocarditis refers to sterile vegetations that can develop on the valves of patients with systemic lupus erythematosus.Libman-Sacks Endocarditis# These lesions presumably occur because of immune complex deposition and thus ...
aquarat_28457
aquarat
The H.C.F. of two numbers is 42 and the other two factors of their L.C.M. are 12 and 14. The larger of the two numbers is:
[ "A)588", "B)642", "C)567", "D)344" ]
A
Explanation: Clearly, the numbers are (42 x 12) and (42 x 14). {\color{Blue} \therefore } Larger number = (42 x 14) = 588. Answer: A) 588
openbookqa_1862
openbookqa
When a hurricane glides over a continent it
[ "runs for president", "becomes an earthquake", "increases in strength", "decreases in strength" ]
D
arc_easy_1171
arc_easy
Students want to find out at which temperature bean plants grow tallest. Which science process skill would be used to find this temperature?
[ "inferring", "predicting", "measuring", "classifying" ]
C
medmcqa_159
medmcqa
Role of egg lecithin in propofol formulation is?
[ "Acts as emulsifying agent", "Acts as preservative", "Acts as carrier vehicle", "Acts as antibacterial" ]
A
Propofol is an insoluble drug that requires a lipid vehicle for emulsification. Current formulations of propofol use a soybean oil as the oil phase and egg lecithin as the emulsifying agent.
mmlu_aux_2067
mmlu_auxiliary
High in the sky, a group of birds fly past. The 5-foot-tall creatures are whooping cranes, the tallest birds in North America noted for its loud call. The wild animals appear to be following much larger birds. But those aren't birds at all. They are three-wheeled aircraft called trikes , and the pilots flying them are ...
[ "Baby whooping cranes don't have parents around.", "Pilots show baby whooping cranes how to migrate.", "Whooping cranes are becoming endangered.", "Whooping cranes are a clever species." ]
B
null
arc_challenge_386
arc_challenge
Decomposers are important to the flow of energy in an ecosystem because they
[ "are at the top of every food chain.", "eat things other organisms do not eat.", "make up a large portion of the top layer of the soil.", "break organic material into parts that can be reused." ]
D
medmcqa_7340
medmcqa
The layer of the cornea once destroyed does not regenerate is:
[ "Epithelium", "Bowman's membrane", "Descemet's membrane", "All of the above" ]
B
Ans. Bowman's membrane
aquarat_39895
aquarat
A can do a piece of work in 7 days of 9 hours each and B alone can do it in 6 days of 7 hours each.how long will they take it to do working together 8 2/5 hours a day?
[ "A)3 days", "B)4 days", "C)5 days", "D)6 days" ]
A
A's work per hour=1/63 B's work per hour=1/42 A & B's work per hour together=(1/63)+(1/42)=5/126 so a & B together complete the work in 126/5 hours... if they work 8 2/5=42/5 hours a day, it will take (126/5)/(42/5) days=(126/5)*(5/42)=3 days... ANSWER:A
aquarat_1505
aquarat
After 6 games, team B had an average of 65 points per game. If it got only 47 points in game 7, how many more points does it need to score to get its total above 500?
[ "A)85", "B)74", "C)67", "D)63" ]
D
(6*65) + 47 +x >500 390+47+x > 500 437+x >500 => x>63 Option D
mmlu_aux_7267
mmlu_auxiliary
During the time the moon orbits the Earth 13 times the Earth orbits the sun
[ "once", "twice", "three times", "four times" ]
A
null
mmlu_aux_1917
mmlu_auxiliary
Fencing or Not Wildlife fences are constructed for a variety of reasons including to prevent the spread of diseases, to protect wildlife from poachers , and to help manage small populations of threatened species. Human-wildlife conflict is another common reason for building fences. Wildlife can damage valuable farm ani...
[ "Land building.", "Species diversity.", "Human population.", "Wildlife's body size." ]
B
null
medmcqa_9163
medmcqa
A patient present with dysphagia of 4 weeks duration. Now he is able to swallow liquid food only. Which of the following is the one investigation to be done
[ "Barium studies", "Upper GI endoscopy", "CT scan", "Esophageal manometry" ]
B
investigations of carcinoma oesophagus includes, Barium swallow: Shouldering sign and irregular filling defect. * Oesophagoscopy to see the lesion, extent and type. * Biopsy for histological type and confirmation. * Chest X-ray to look for aspiration pneumonia. * Bronchoscopy, to see an invasion in upper third growth. ...
mmlu_aux_3003
mmlu_auxiliary
Animals can move from place to place, but plants cannot. When an animal is under attack, it can run away or fight back. Plants certainly cannot run away, and they lack teeth and claws. But plants can defend themselves by using both physical and chemical means. Some plants have their own ways to keep animals away. For...
[ "Its leaves fight against the attack by physical means.", "Its roots send a messenger to discourage the caterpillar.", "Its roots increase the production of nicotine when it is attacked.", "Its leaves produce poisonous sand to drive the caterpillar away." ]
C
null
medmcqa_4102
medmcqa
Film speed best for detection of incipient caries:
[ "C", "D", "E", "F" ]
B
arc_challenge_303
arc_challenge
Where is the smallest negatively-charged particle found in an atom?
[ "nucleus", "orbits in the nucleus", "orbits around the nucleus", "between the proton and neutron" ]
C
medmcqa_6377
medmcqa
All the following are criteria for diagnosing severe aplastic anemia except:
[ "BM cellularity <25%", "Reticulocyte <1%", "Platelet <20k", "ANC<1500" ]
D
D i.e. ANC <1500Ref: WHO, Hematopoietic System, page 221Explanation:Criteria for Aplastic Anemia (ASH)ClassificationCriteriaSevereBM cellularity <25% (or<50%if <30% of BM is hematopoietic cells) AND >2 of the following:* Peripheral blood neutrophil count <0.5x109/L* Peripheral blood platelet count <20x109/L* Peripheral...
mmlu_aux_2823
mmlu_auxiliary
Passage 1 Does the early bird catch the worm? No, he saves it for tea: Animals seek out food in the morning but don't tuck in until afternoon. The early bird,strategy was revealed in an experiment in which over 2,000 birds were fitted with tiny radio tags which activated when they landed on feeders hidden in the woods....
[ "animals that feed on some little birds", "people who enjoy feeding birds outside", "devices that supplies food for wild birds", "hunters who hide themselves in the woods" ]
C
null
medmcqa_8898
medmcqa
Which of the following structure is not related to cavernous sinus:
[ "Abducent nerve", "Optic nerve", "Ophthalmic nerve", "Trochlear nerve" ]
B
Five structures in lateral wall of cavernous sinus 1. Oculomotor nerve 2. Trochlear nerve 3. Ophthalmic nerve 4. Maxillary nerve 5. Trigeminal ganglion Note: Internal carotid artery wrapped in its venous and sympathetic plexus along with abducent nerve passes through the center of cavernous sinus.
openbookqa_1881
openbookqa
Keeping shopping bags out of the dump affects the earth
[ "neutrally", "positively", "negatively", "very little" ]
B
medmcqa_537
medmcqa
OCP protects against all EXCEPT: September2012
[ "Hepatic adenoma", "Fibroadenoma breast", "Carcinoma ovary", "Uterine malignancy" ]
A
Ans. A i.e. Hepatic adenoma OCP's administration may result in hepatic adenoma. Oral contraceptive pills Protects against: - Uterine Ca, - Ovarian Ca, - RA, - Endometriosis etc.
aquarat_27641
aquarat
x and y are positive integers. When x is divided by 17, the remainder is 3, and when x is divided by 19, the remainder is 1. When y is divided by 14, the remainder is 5, and when y is divided by 21, the remainder is 12. What is the least possible value of y - x?
[ "A)15", "B)13", "C)11", "D)14" ]
B
When x is divided by 17, the remainder is 3: So, the possible values of x are: 3, 20, 37,54 , etc. When x is divided by 19, the remainder is 1: So, the possible values of x are: 1,20... STOP. Since both lists include 20, the smallest possible value of x is 20. When y is divided by 14, the remainder is 5: So, the possib...
qasc_2195
qasc
A pan is used for cooking food by heating food in it on what?
[ "A source of kitchen accidents.", "by indirect light", "Evaporation of water", "Earth revolving around the sun" ]
A
mmlu_aux_1830
mmlu_auxiliary
Chemicals used for industrial processes often create dangerous forms of waste. The amount of these chemicals has risen heavily in the past few years, as more areas of the world industrialize and new products are produced. Over 80,000 different chemicals are used in industries world wide. Around the world hundreds of mi...
[ "chromium can poison people when there is a wind", "chromium pollution makes the local government close the school", "Some governments don't realize how serious the problems are until people suffer a lot from harmful waste", "about two-thirds of the waste can pollute the environment" ]
C
null
medmcqa_2728
medmcqa
A 6-year-old child presents with lesions on face, covered with honey colored crusts. Pruritus is present. The possible cause can be:
[ "Impetigo", "Herpes", "Chickenpox", "Molluscum contagiosum" ]
A
Ans. a. ImpetigoNon bullous impetigo or impetigo contagiosa lesions have golden yellow, honey coloured crusting
arc_easy_1955
arc_easy
In order for boulders to become sediments, the boulders must first be
[ "heated and melted.", "weathered and eroded.", "recrystallized.", "buried." ]
B
aquarat_42633
aquarat
Over the course of a year, a certain microbrewery increased its beer output by 70 percent. At the same time, it decreased its total working hours by 20 percent. By what percent did this factory increase its output per hour?
[ "A)50%", "B)90%", "C)112.5%", "D)210%" ]
C
Let's take the original output to be 100 and the new output to be 170% or 170. Let's take the original work hours to be 100 hours and the new work hours to be 80% or 80 hours. The old output per work hour = 100/100 hours or 1. The new output per work hour = 170/80 or 2.125. So the resulting increase is actually new min...
openbookqa_2479
openbookqa
An eagle will use their claws to catch which of the following?
[ "nuts", "elephant", "bear", "mouse" ]
D
mmlu_aux_3098
mmlu_auxiliary
Animals are more like us than we ever imagined.They feel pain, they experience stress, they show affection, excitement and love.All these findings have been made by scientists in recent years--and such results are beginning to change how we view animals. Strangely enough, some of this research was sponsored by fast...
[ "they are international big companies.", "they are pressured by animal right groups.", "they love animals.", "they earn a large amount of money and want to do some good deeds." ]
B
null
medmcqa_5105
medmcqa
Which of the following biochemical reaction is associated with substrate level phosphorylation?
[ "Fumarate to malate", "Succinate to fumarate", "Succinyl CoA to Succinate", "Acetoacetate to a-ketoglutarate" ]
C
Conversion of succinyl CoA to succinate is an example of substrate level phosphorylation in which a high energy phosphate is generated from the energy trapped in the thioester bond of succinyl CoA. Enzyme succinic thiokinase catalyses this step. In this reaction a molecule of GDP is phosphorylated into GTP and succinat...
qasc_7034
qasc
Animals adapted to living within certain salinity ranges require great amounts of what to survive?
[ "liquid", "water", "oxygen", "air" ]
B
medmcqa_439
medmcqa
Most common type of hypospadias is: September 2011
[ "Glandular", "Penile", "Coronal", "Perineal" ]
A
Ans. A: Glandular Glandular hypospadias is common and does not usually require treatment Hypospadias: The external meatus opens on the underside of the penis or the perineum, and the inferior aspect of the prepuce is poorly developed (hooded prepuce) Meatal stenosis occurs Bifid scrotum 6 - 10 months of age is the best...
arc_easy_927
arc_easy
Which characteristic is an example of learned behavior?
[ "a bear hibernating in the winter", "a spider spinning a web in a tree", "a butterfly migrating to the south", "a dog scratching at a door to go out" ]
D
mmlu_aux_2683
mmlu_auxiliary
Around 200 million years ago, the earth was 18 degrees warmer than it is now. That might be a bit hot for humans, but it was just right for the giant dinosaurs that wandered about the earth during the Mesozoic era. A new study found that planteating dinosaurs may have contributed to the warming of the earthby releas...
[ "methane had little effects on the earth", "many other factors contributed to warm climate", "other causes for warm climate were worth considering", "dinosaurs were mainly to blame for global warming" ]
B
null
aquarat_28104
aquarat
For how many integers n is 1^n+1 = (n+1)^1?
[ "A)0", "B)1", "C)2", "D)3" ]
A
If n=0 1^0+1 = (0+1)^1 1^1 =1 ok If n=1 1^2 =1 ; (2)^1=2 not OK So, Answer : A
medmcqa_7151
medmcqa
The deformity of tibia in triple deformity of the knee is?
[ "Extension, Posterior subluxation & external rotation", "Flexion, posterior subluxation & external rotation", "Flexion, posterior subluxation & internal rotation", "Extension, Anterior subluxation & internal rotation" ]
B
Flexion, posterior subluxation & external rotation REF: Apley's 8th ed p. 42 Triple deformity of knee consists of flexion, posterior subluxation of tibia and external rotation of tibia Treatment: ATT, Ahrodesis Causes: TB, Rheumatoid ahritis
aquarat_48742
aquarat
The product of two numbers is 336 and the sum of their squares is 289. The sum of the number is?
[ "A)A)23", "B)B)25", "C)C)27", "D)D)31" ]
D
Let the numbers be x and y. Then, xy = 336 and x2 + y2 = 289. (x + y)2 = x2 + y2 + 2xy = 289 + (2 x 336) = 961 x + y =31. Option D
arc_easy_1263
arc_easy
Chromosomes contain the genetic information of an organism. Fruit flies reproduce by sexual reproduction. Most of the cells of a fruit fly have 8 chromosomes. Which statement best explains the source of the chromosomes in a normal fertilized fruit fly egg?
[ "The egg cell contains all 8 chromosomes.", "The sperm cell contains all 8 chromosomes.", "The sperm cell provides 4 chromosomes and the egg cell provides 4 chromosomes.", "The egg cell provides 4 chromosomes and 4 sperm cells each provide 1 chromosome." ]
C
openbookqa_984
openbookqa
What is an example of navigation?
[ "reading novels", "directing rudder", "cooking", "sleeping" ]
B
arc_challenge_862
arc_challenge
One 7.0 kg bowling ball is lifted to a storage shelf 1.0 m above the floor. A second 7.0 kg ball is lifted to a storage shelf 2.0 m above the floor. Which of the following best explains why the measured force of gravity on each ball is nearly identical?
[ "The final potential energy of each ball increased.", "The amount of work required to lift each ball is identical.", "The distance of each ball from Earth's center of mass is almost identical.", "The gravitational force of each ball on the other cancels out the force of Earth's gravity." ]
C
medmcqa_2892
medmcqa
Which of the following is secreted by TRH stimulation?
[ "Prolactin only", "TSH only", "Both", "None" ]
C
TRH is derived from a pro-TRH peptide. Like other hypothalamic-releasing hormones, TRH reaches the anterior pituitary the hypothalamic-pituitary poal circulation. It interacts with specific receptors on pituitary thyrotrophs to release TSH and on mammotrophs to release prolactin. Ref: Textbook of Endocrine Physiology e...
medmcqa_6159
medmcqa
Which is must for prothrombin time?
[ "Thromboplastin", "Prothrombin", "Fibrinogen", "Fibrin" ]
A
Prothrombin time test - Time needed for plasma to clot after addition of tissue thromboplastin and Ca2+ ions.
mmlu_aux_1970
mmlu_auxiliary
With only about 1, 000 pandas left in the world, China is desperately trying to clone the animal and save the endangered species . That's a move similar to what a Texas A & M University researchers have been undertaking for the past five years in a project called "Noah's Ark". Noah's Ark is aimed at collecting eggs, e...
[ "Kraemer and his team have succeeded in cloning a dog.", "scientists try to implant a panda's egg into a rabbit.", "Kraemer will work with Chinese scientists in clone researches.", "about two thousand of species will probably die out in a century." ]
D
null
openbookqa_417
openbookqa
Plants derive what from soil?
[ "pollination and germination", "life sustaining substances", "roots and oxygen", "oxygen and argon" ]
B
aquarat_49987
aquarat
If 1+2+3+...+n=n (n+1), then 3 (1+3+5+....+99)=?
[ "A)7000", "B)7250", "C)7500", "D)7750" ]
C
Explanation : To solve this use the formula of AP, Sn= (n/2)(a+l) ................(1) To find n, use => Tn= a+(n-1)d => 99=1+(n-1)2 => n=50 Use value of n in (1) then, Sn = (50/2)(1+99) = 2500 Ans:- 3(Sn) = 7500 Answer : C
medmcqa_3022
medmcqa
About retinitis pigmentosa all are true, EXCEPT:
[ "Night blindness", "Waxy disc", "Early loss of central vision", "Attenuation of retinal vessels is seen" ]
C
In retinitis pigmentosa rods are involved first followed by cones. As the disease progresses there is loss of night vision and peripheral field of vision. Only in the later stages of the disese there is loss of central vision. Retinitis Pigmentosa is a group of hereditary retinal degenerative disorder characterized by ...
arc_easy_1702
arc_easy
Which physical property is important to have in a material used in cookware?
[ "poor conductor of heat", "good conductor of heat", "low flexibility", "high flexibility" ]
B
medmcqa_415
medmcqa
Which of the following drugs used to treat type II diabetes mellitus causes weight loss:
[ "Metformin", "Glimepiride", "Repaglinide", "Gliclazide" ]
A
medmcqa_6886
medmcqa
Which one of the following does not represent the submerged portion of the iceberg?
[ "Diagnosed cases under treatment", "Undiagnosed cases", "Pre-symptomatic cases", "Carriers sub clinical cases" ]
A
Ans. (a) Diagnosed cases under treatment* Iceberg Phenomenon of disease: Disease in a community may be compared to an iceberg- Floating tip is what physician sees in community, i.e., clinical cases- Vast submerged portion of iceberg represents hidden mass of disease i.e., latent, inapparent, pre-symptomatic and undiagn...
pubmedqa_935
pubmedqa
Have antiepileptic drug prescription claims changed following the FDA suicidality warning?
[ "yes", "no", "maybe" ]
B
medmcqa_5735
medmcqa
Lucio phenomenon is treated with:
[ "Steroids", "Lenalidomide", "Clofazimine", "Exchange transfusion" ]
D
Lucio phenomenon seen in leprosy- recurrent crops of large, sharply marginated, ulcerative lesions paicularly on the lower extremities. These are frequently fatal as a result of secondary infection and consequent septic bacteremia. Neither glucocoicoids nor thalidomide is effective against this syndrome. Optimal wound ...
medmcqa_2012
medmcqa
A 5-year-old boy is brought to the emergency room with a fever of 103degF (38.7degC), chest pain, and productive cough. The patient has a history of recurrent pulmonary disease and respiratory distress. What microorganism recovered from the lungs of this child is virtually diagnostic of cystic fibrosis?
[ "Klebsiella sp.", "Legionnella sp.", "Pneumocystis sp.", "Pseudomonas sp." ]
D
Cystic fibrosis is the most common lethal autosomal recessive disorder in the white population. The disease is characterized by (1) chronic pulmonary disease, (2) deficient exocrine pancreatic function, and (3) other complications of inspissated mucus in a number of organs, including the small intestine, the liver, and...
mmlu_aux_1643
mmlu_auxiliary
For the first time, scientists have found a planet beyond the solar system that not only is the same size as Earth, but has the same proportions of iron and rock, a key step in an ongoing quest to find potentially habitable sister worlds. The planet, known as Kepler-78b, circles a star that is slightly smaller than...
[ "whether it is a place suitable for life to live on", "why it circles so close to its host star", "how long it takes to orbit its parent star in a circle", "what it basically consists of" ]
B
null
medmcqa_6587
medmcqa
A patient presented with pus in urine. Urine culture was done which was negative. After a sudden onset renal failure the patient died. On autopsy the following finding was seen in kidney. What is the most likely diagnosis?
[ "TB kidney", "Infected renal cysts", "Renal cell carcinoma", "Renal stones" ]
A
Ans. (a) TB kidneyThe clinical history is suggestive of sterile pyuria. The gross morphology shows greyish white are caseating necrotic material which is formed in patches, predominantly in the cortical areas involving the while circumference of the kidney. Hence, the first possibility is renal TB.
mmlu_aux_1729
mmlu_auxiliary
FOR most people, life without plants is unimaginable. They feed us, clean up our air and brighten up our gardens. But what if someone told you that even our smartphones can benefit from plants? Meet the scientists from the Freiburg University of Mining and Technology in Germany. According to reports from Reuters, they ...
[ "Germanium can be easily produced during the process of mining zinc or burning coal.", "Sunflowers and corn are currently the most efficient plants to use when extracting germanium.", "The process of harvesting germanium from plants isn't costly because after harvesting, the plants can be used for biogas.", "...
D
null
aquarat_46465
aquarat
There are 7 players in a bowling team with an average weight of 85 Kg. If two new players join the team, one weighs 110 Kg and the second weighs 60 Kg, what will be the new average weight? .
[ "A)75 Kg", "B)80 Kg", "C)85 Kg.", "D)90 Kg" ]
C
New average weight= 110+60/2= 85 kgs Since avg weight of 85 is added to avg weight of 85, the average will remain the same, i.e 85 C is the answer
aquarat_25265
aquarat
(0.15)(power 3) - (0.06)(power 3)/ (0.15)(power 2) + 0.009 + (0.06)(power 2) is:
[ "A)0.09", "B)0.08", "C)0.1", "D)0.07" ]
A
Given expression = (0.15) (power 3) - (0.06)(power 3) / (0.15)(power 2) + (0.15 x 0.06) + (0.06)(power 2) = a (power 3) - b(power 3) / a(power 2) + ab + b(power 2) = (a - b) = (0.15 - 0.06) = 0.09 Answer is A.
qasc_5810
qasc
what causes the temperature of an object to increase?
[ "decrease in motion", "flow of electrons", "chronic impact", "Greenhouse gases" ]
C
aquarat_11296
aquarat
A man sells a horse for Rs.800 and loses something, if he had sold it for Rs.980, his gain would have been double the former loss. Find the cost price of the horse?
[ "A)188", "B)786", "C)991", "D)860" ]
D
CP = SP + 1CP = SP - g 800 + x = 980 - 2x 3x = 180 => x = 60 CP = 800 + 60 = 860 Answer: D
medmcqa_5357
medmcqa
Nocardia is differentiated from Actinomyces by:
[ "Gram stain", "ZN stain", "Nocardia causes mycetoma, Actinomyces do not", "Nocardia is facultative anaerobe" ]
B
Ans. is 'b' i.e., Ziehl Neelsen stainRef: (Ananthanarayan, 8th/e, p. 393; 9th/e, p. 394; Harrison, 18th/e, p. 1324; Jawetz, 24th/e, p. 182)Nocardia - Partially acid fast, obligate aerobe, habitat is soil and infections occur exogenously.Actinomyces - Nonacid fast, facultative anaerobe, habitat is oral flora so infectio...
qasc_2169
qasc
what helps plants reproduce?
[ "gene flow", "insects", "Earthworms", "glycogen" ]
B
medmcqa_5467
medmcqa
Most common site for diveiculosis is?
[ "Sigmoid colon", "Ascending colon", "Transverse colon", "Spleenic flexure" ]
A
Ans. is 'a' i.e., Sigmoid colon The sigmoid colon is the most common site of diveiculosis.
aquarat_37853
aquarat
A courier charges for packages to a certain destination are 65 cents for the first 250 grams and 10 cents for each additional 100 grams or part thereof. What could be the weight in grams of a package for which the charge is $1.95?
[ "A)980", "B)1170", "C)1530", "D)1720" ]
C
The charge is 65 cents for the first 250 grams. This leaves a charge of $1.95 - $0.65 = $1.30 The charge for the next 1200 grams is $1.20 which leaves a charge of $0.10 The weight is somewhere between 1450 and 1550. The answer is C.
medmcqa_770
medmcqa
Benefits of LNG lUCD are all except :
[ "Management of menorrhagia", "Contraceptive effect", "Hormone replacement therapy after menopause", "stage 2 endometrial cancer" ]
D
Mirena now used as first line of treatment of menorrhagia, in addition to the contraceptive effect. Another use is in providing progestogens component of hormone replacement therapy after menopause. THE TEXTBOOK OF GYNAECOLOGY SHEILA BALAKRISHNAN SECOND EDITION PAGE NO 379
aquarat_42653
aquarat
A sum of money at simple interest amounts to $ 680 in 3 years and to $710 in 4 years. The sum is:
[ "A)$153", "B)$698", "C)$590", "D)$549" ]
C
C $590 S.I. for 1 year = $(710- 680) = $30. S.I. for 3 years = $(30 x 3) = $90. Principal = $(680 - 90) = $590.
aquarat_16409
aquarat
A polling company surveyed a certain country, and it found that 35% of that country’s registered voters had an unfavorable impression of both of that state’s major political parties and that 20% had a favorable impression only of Party E. If one registered voter has a favorable impression of both parties for every two ...
[ "A)15", "B)20", "C)30", "D)35" ]
A
S=100 not( E and B ) =35 only E=20 (E and B)/B=1/2 let ( E and B ) =x only B =2x so now, 20+35+x+2x=100 x= 15 A ans
pubmedqa_464
pubmedqa
Is acute fibrinous and organizing pneumonia the expression of immune dysregulation?
[ "yes", "no", "maybe" ]
A
medmcqa_6709
medmcqa
An eight years old child is suffering from transient synovitis of the hip joint. Which of the following statement is false
[ "May follow upper respiratory tract infection", "WBC count and ESR are usually normal.", "The hip is typically held in adduction and internal rotation", "Widening of joint space will be seen on ultrasound." ]
C
Ans. C. The hip is typically held in adduction and internal rotationIn any type of synovitis, the joint will be held in flexion, abduction and external rotation because in this position joint capacity is maximum causing least pain (Minimal stretching of capsule)
medmcqa_181
medmcqa
Staphylococcus aureus does not cause which of the following skin infection:
[ "Ecthyma gangrenosum", "Bullous impetigo", "Botryomycosis", "Cellulitis" ]
A
Ans. is. a. Ecthyma gangrenosum
aquarat_717
aquarat
If the tens digit of positive integer x is 4 and the tens digit of positive integer y is 4, how many possible values of the tens digit of 2(x+y) can there be?
[ "A)2", "B)3", "C)4", "D)5" ]
C
We only need to consider the tens and ones digits of x and y, and the last two digits can be represented as 40 + p and 40 + q respectively. 2(40+p+40+q)= 160 + 2(p + q) 2(p+q) can range from 0 up to a maximum value of 36 when p=q=9. Then the tens and ones digits of 2(x+y) can range from 60 up to 96. There can be 4 poss...
medmcqa_5485
medmcqa
BISAP score is used for to assess severity of
[ "Pancreatitis", "Pancreatic absess", "Pseudocyst of pancreas", "Pseudocyst of pancreas" ]
A
medmcqa_8647
medmcqa
Ejection fraction is about
[ "25%", "45%", "55%", "65%" ]
D
The ejection fraction, the percent of the end-diastolic ventricular volume that is ejected with each stroke, is about 65%. The ejection fraction is a valuable index of ventricular function.
medmcqa_4177
medmcqa
DOC FOR INVASIVE ASPERGILLOSIS?
[ "VORICONAZOLE", "POSACONAZOLE", "AMPHOTERICIN B", "CASPOFUNGIN" ]
A
REF : KD TRIPATHI 8TH ED
arc_easy_1975
arc_easy
Which of the following causes a chemical change?
[ "sugar added to soda", "detergent added to water", "lemon juice added to milk", "salt added to water" ]
C
aquarat_37707
aquarat
A car moves at 98 km/hr. What is the speed of the car in meters per second ?
[ "A)20 2/9m sec", "B)22 2/9m sec", "C)24 2/9m sec", "D)27 2/9m sec" ]
D
Explanation: Speed=(98∗5/18)m/sec =245/9 m/sec =27 2/9msec Option D
mmlu_aux_3454
mmlu_auxiliary
The World's Largest Insect .This giant insect can be used as a toy. A child ties one end of a string to a stick and the other end around the "neck" of an insect. Holding the stick, the child lets the insect go. With a loud whirring sound, the insect takes off, pulling the string in a large curve over the child's head. ...
[ "the world's largest insect", "a toy used in many parts of the world", "the only insect found in Africa", "the world's smallest insect" ]
A
null
aquarat_7272
aquarat
The equation r = 2y2 + 5y - 17, describes a parabola in the xy coordinate plane. If line l, with slope of 3, intersects the parabola in the upper-left quadrant at r = -5, the equation for l is
[ "A)+ y + 15 = 0", "B)- 3x - 11 = 0", "C)+ y - 16.5 = 0", "D)- y - 7 = 0" ]
C
Is optionC: -3r + y -6.5= 0=C
medmcqa_6503
medmcqa
In general as consequences of tooth loss bone loss is more in mandible; more in posterior region than anterior region;
[ "Both statements are true", "Both statements are false", "1st statement is true, 2nd is false", "2nd statement is true, 1st is false" ]
A
mmlu_aux_4285
mmlu_auxiliary
Many animal and plant species have become extinct and many more are in critical danger. Finding ways to protect the earth's wildlife and conserve the natural world they inhabit is now more important than ever. Dodo The Dodo is a classic example of how human caused damage to the earth's biology. The flightless Dodo was...
[ "The number of South China tigers has reached crisis point.", "Many animals are threatened with extinction as a result of human activity.", "People hunt for the endangered animals for high profit.", "The Whale is the representing mark for the World Wildlife Fund." ]
D
null
aquarat_12912
aquarat
There are 5 sweets – Milk peda, Ice cream, Rasagulla Paper sweet and Rasamalai that I wish to eat on 5 consecutive days – Monday through Friday, one sweet a day, based on the following self imposed constraints: 1) Paper sweet is not eaten on Monday 2) If Milk peda is eaten on Monday, then Paper sweet must be eaten on F...
[ "A)Tuesday", "B)Monday", "C)Wednesday", "D)Friday" ]
D
as Milk peda is eaten on Monday, then Paper sweet must be eaten on Friday and Rasagulla should be eaten on the day preceding to the day of eating Milk peda so milk peda cannot be eaten on monday as day preceding it is friday and condition 2 denies rasagulla on friday ANSWER:D