id
string
dataset
string
question
string
options
list
answer
string
explanation
string
medmcqa_8553
medmcqa
Most common vasculitis in children
[ "Henoch Schonlein purpura", "Kawasaki disease", "Wegener's granulomatosis", "Polyarteritis nodosa" ]
B
UPDATE- Most common vasculitis in children Kawasaki Disease.
mmlu_aux_4515
mmlu_auxiliary
With the Tesla Roadster and other plugin electric vehicles hitting the road,demand is growing for accessible refueling points to recharge them. Carbon Day Automotive, a Chicagobased company,has now demonstrated a solarpowered recharging point, known as the Solar PlugIn Station,which lets motorists easily charge thei...
[ "it's environmentally friendly", "it makes up for the lack of electricity", "it's a new idea and attracts people's attention", "it brings convenience to electric vehicle users" ]
A
null
arc_easy_1806
arc_easy
When athletes begin to exercise, their heart rates and respiration rates increase. At what level of organization does the human body coordinate these functions?
[ "at the tissue level", "at the organ level", "at the system level", "at the cellular level" ]
C
medmcqa_1240
medmcqa
All are associated with EBV except -
[ "Infectious mononucleosis", "Nasopharyngeal carcinoma", "Oral hairy leukoplakia", "Epidermodysplasi" ]
D
EBV causes nadopharyngeal carcinoma,oral hairy luekoplakia&infectious mononucleosis REF:MICROBIOLOGY ANANTHA NARAYANAN NINTH EDITION PAGE.475
medmcqa_7842
medmcqa
Haemostasis in scalp wound is best achived by -
[ "Direct presure over the wound", "Catching and crushing the b;,=.eders by haemostats", "Eversion of galea aponeurotica", "Coagulation of bleeders" ]
A
openbookqa_1762
openbookqa
Long naps increase the bodies
[ "shoe size", "physical state", "tan lines", "hair color" ]
B
medmcqa_3730
medmcqa
Bronchial secretion secretes -
[ "IgA", "IgE", "IgM", "IgG" ]
A
In its secretory form, IgA is the main immunoglobulin found in mucous secretions, including tears, saliva, sweat, colostrum, and secretions from the genitourinary tract, gastrointestinal tract, prostate, and respiratory epithelium. It is also found in small amounts in the blood Ref: Ananthanarayan & Parker's textbook o...
arc_easy_866
arc_easy
Which type of evidence would a geologist need to support plate tectonic theory?
[ "plant fossils that are similar in size", "the weathering and erosion of coastlines", "new crust formed by the sea floor spreading", "rocks with different physical appearances" ]
C
aquarat_40873
aquarat
The speeds of three motor bikes are in the ratio 6 : 5 : 4. The ratio between the time taken by them to travel the same distance is :
[ "A)10 : 12 : 15", "B)12 : 10 : 8", "C)15 : 12: 10", "D)10 : 15 : 12" ]
A
Ratio of time taken : 1/6 :1/5 : 1/4 = 10 : 12 : 15 ANSWER:A
mmlu_aux_4298
mmlu_auxiliary
Tiny monitoring devices have become an increasingly common way for scientists to study elusive animals that are difficult to track on a day-to-day basis. However, now it seems that smart. seals have caught on to the trick and are using it to their advantage to catch fish! To find out if that is true, a team of research...
[ "it's really easy for seals to find their prey", "seals can be easily fooled by acoustic tags", "seals are much cleverer than most of the other sea animals", "seals can really make use of the acoustic signals to prey" ]
D
null
qasc_3877
qasc
The offspring of two humans with albinism are always
[ "fertile", "haploid", "similar", "albino" ]
D
medmcqa_2015
medmcqa
Continues scrutiny of factors that affect the occurence of a disease is -
[ "Epidemiology", "Monitoring", "Surveillance", "Screening" ]
C
Surveillance has been defined as the continuous scrutiny of all aspects of occurrence and the spread of diseases that are peinent to effective control. Surveillance goes beyond the passive repoing of cases Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 138
mmlu_aux_4141
mmlu_auxiliary
Researchers in over 80 nations are taking part in a project to conduct a decade-long census of sea life. Scientists presented some of their findings at a recent conference as the project neared its completion. In deep icy waters under Antarctica, scientists found bulbous tunicates, an underground animal, and many newl...
[ "About 2,000 scientists from America are involved in the project.", "The census of sea life will last for ten years.", "230,000 new marine animals have been found.", "The sea floor is at a depth of 400 meters." ]
B
null
qasc_3515
qasc
Proteins are made in organelles within the what?
[ "cytoplasm", "Most plants", "bacteria", "alveoli" ]
A
aquarat_6641
aquarat
A cycle is bought for Rs.900 and sold for Rs.1140, find the gain percent?
[ "A)11", "B)27", "C)99", "D)77" ]
B
900 ---- 240 100 ---- ? => 27% Answer: B
medmcqa_8129
medmcqa
An enzyme that protects the brain from free radical injury is -
[ "Myeloperoxidase", "MAO", "Superoxide dismutase", "Hydroxylase" ]
C
medmcqa_7561
medmcqa
The superior and inferior ophthalmic veins drain into the:
[ "Internal jugular vein", "Pterygoid plexus", "Frontal vein", "Facial vein" ]
D
The superior and inferior ophthalmic veins drain into the facial vein and cavernous sinus.
aquarat_48532
aquarat
Pablo plays 3 rounds of a game, in which his chances of winning each round are 1/2, 1/4, and 1/n, respectively. If n β‰  0, what is the probability that Pablo wins the first two rounds, but loses the third?
[ "A)1/16n", "B)(n-1)/8n", "C)1/2n", "D)(n+2)/2n" ]
B
1/2 * 1/4 * (1-1/n) = 1/8 * (n-1)/n = (n-1)/8n Answer - B
medmcqa_1077
medmcqa
In Patey's mastectomy all the following are removed except
[ "Pectoralis major", "Skin of the breast", "Pectoralis minor", "Ductular system of the breast" ]
A
Ans. (a) Pectoralis major(Ref. Bailey and Love 26th edition Page 813)Structures removed in Patey's mastectomy:* Breast, nipple, areola including the skin overlying the tumor* Level 1,2,3 Lymphnodes* Fascia over Pectoralis major* Pectoralis minor muscle
medmcqa_1286
medmcqa
Which of the following drugs is contraindicated along with spironolactone
[ "Chlorothiazide", "Beta blockers", "ACE inhibitors", "Amlodipine" ]
C
CONTRAINDICATIONS / PRECAUTIONS Adrenal insufficiency, anuria, diabetes mellitus, hyperkalemia, renal disease, renal failure, renal impairment. ... Acid/base imbalance, metabolic acidosis, metabolic alkalosis, respiratory acidosis. ... Ascites, biliary cirrhosis, hepatic disease. ... Menstrual irregularity.
aquarat_14479
aquarat
In a certain state, the ratio of registered Republicans to registered Democrats is 3 to 2, and every registered voter is either a Republican or a Democrat. If 70 percent of the Republicans and 25 percent of the Democrats are expected to vote for Candidate X, and everyone else is expected to vote for Candidate Y, by wha...
[ "A)2%", "B)4%", "C)8%", "D)10%" ]
B
Since we were expected to find a percentage figure - It thought that it might be easier to pick a 'smart number' to represent the total number of voters (republicans and democrats). Therefore, I picked 100 (as the total number of voters) and thus 60:40 represents the number ratio of Republicans:Democrats. If 70% of Rep...
arc_challenge_586
arc_challenge
Which of the following characteristics is used when classifying organisms within the plant kingdom?
[ "type of vascular tissue", "use of photosynthesis", "presence of cell walls", "production of oxygen" ]
A
arc_challenge_494
arc_challenge
During which phase change is heat energy absorbed by a substance?
[ "liquid to gas", "gas to solid", "liquid to solid", "gas to liquid" ]
B
medmcqa_4870
medmcqa
Post-moem staining' is distinguished from bruise by all except
[ "Occurs in dependent pas", "Edges are clearly Defined", "Absent in areas of body under pressure", "Extravasation of blood into surrounding tissues occur" ]
D
Extravasation of blood into surroundings tissues is not possible in postpaum staining. Ref synopsis of forensic medicine laxminarayana 4e
aquarat_10725
aquarat
A chair is bought for Rs.500/- and sold at a loss of 20% find its selling price
[ "A)Rs.500/-", "B)Rs.600/-", "C)Rs.400/-", "D)Rs.700/-" ]
C
Loss = 500*20/100 = 100 S.P = C.P - Loss = 500- 100 =Rs.400/- Answer :C
medmcqa_6551
medmcqa
All are characteristic features of drug induced hepatitis EXCEPT:
[ "Fever", "Ahritis", "Rash", "Neutrophilia" ]
D
FARE : fever , ahritis , rash and eosinophilia indicates medication induced liver disease Ref : Schiff's diseases of liver , Edition -11 , Page - 5.
aquarat_26650
aquarat
In an election between two political leaders 10% of the voters did not cast their vote. 10% of the votes polled were found invalid. The successful political leader got 54% of the valid, votes and won by a majority of 3240 votes. The number of voters enrolled on the voters list was :
[ "A)30000", "B)50000", "C)33000", "D)40000" ]
B
Explanation : Solution: Let the number of voters be x. then, votes polled = 90% of x. Valid votes = 90% of(90% of x) .'. 54% of[90% of(90% of x)] - 46% of[90% of(90% of x)] = 3240. 8% of[90% of(90% of x)] = 3240. 8/100 * 90/100 * 90/100 * x = 3240 x = (3240*100*100*100)/(8*90*90) = 50000 Answer : B
aquarat_31018
aquarat
A train running at the speed of 50 km/hr crosses a pole in 18 seconds. Find the length of the train.
[ "A)150", "B)188", "C)250", "D)288" ]
C
Speed = 50*(5/18) m/sec = 125/9 m/sec Length of Train (Distance) = Speed * Time (125/9) * 18 = 250 meter Answer: C
aquarat_47632
aquarat
What is the are of an equilateral triangle of side 12 cm?
[ "A)64√5", "B)64√9", "C)64√4", "D)36√3" ]
D
Area of an equilateral triangle = √3/4 S2 If S = 12, Area of triangle = √3/4 * 12 * 12 = 36√3 cm2; Answer: D
qasc_4850
qasc
What are one celled organisms?
[ "Plants growth", "slime molds", "warm-blooded", "peachleaf willow" ]
B
medmcqa_7247
medmcqa
All are true about estrogen, EXCEPT:
[ "Causes cholestasis", "Used in treatment of gynacomastia", "Used in H", "Increased risk of breast cancer" ]
B
They promote the development of female secondary sexual characteristics, such as breast development. So it is not used in treatment of gynaecomastia. Estrogen and other hormones are given to postmenopausal women as a pa of hormone replacement therapy (H) in order to prevent osteoporosis as well as treat the symptoms of...
aquarat_43648
aquarat
The calendar for the year 2001 is same for which of the following year?
[ "A)2005", "B)2007", "C)2011", "D)2006" ]
B
SOLUTION : The total number of odd days from 2001 onwards should be zero. Now, as an ordinary year adds 1 odd day and a leap year adds 2 odd days, we have: 2001, 2002, 2003, 2005, 2006 – 1 odd day each 2004 – 2 odd days Hence, at the end of 2006 total number of odd days = 7 or 0 Therefore, the calendar for the year 200...
aquarat_16547
aquarat
The average successfull Search time for sequential search on n items is
[ "A)n/2", "B)(n-1)/2", "C)(n+1)/2", "D)log(n)+1" ]
C
To understand this think as there is an array and now you are searching for an element which is a[0] element in that arrary...so for this you need to do 1 comparison. Now similarly for sequential searching suppose your are looking for an element which is present at 2nd position i.e a[1] position of that array then you ...
medmcqa_4642
medmcqa
Basal cell carcinoma is seen in most commonly in which pa of the eyelid?
[ "Upper medial", "Upper lateral", "Lower medial", "Lower lateral" ]
C
(Refer: AK Khurana Comprehensive Ophthalmology, 6th edition, pg no. 384)*Basal cell carcinoma is the commonest malignant tumor to the lids (90%) usually seen in elderly people *It is locally malignant and involves most commonly lower lid (50%) followed by medial canthus (25%), upper lid (10-15%) and outer canthus"Basal...
aquarat_48371
aquarat
A certain bus driver is paid a regular rate of $16 per hour for any number of hours that does not exceed 40 hours per week. For any overtime hours worked in excess of 40 hours per week, the bus driver is paid a rate that is 75% higher than his regular rate. If last week the bus driver earned $1340 in total compensation...
[ "A)76", "B)60", "C)65", "D)48" ]
C
For 40 hrs = 40*16=640 Excess = 1340-640=700 For extra hours =.75(16)=12+16=28 Number of extra hrs =700/28=25 Total hrs =40+25=65 Answer C 65
aquarat_25325
aquarat
Find the arithmetic mean L of all roots of the following equation- see an attachment.
[ "A)2", "B)1", "C)0.5", "D)-1/3" ]
C
arithmetic mean L your answer C and E are same, can you correct one of them please. thanks.C
medmcqa_8584
medmcqa
Inherited coagulation defect with T coagulation is found in -
[ "Protein C deficiency", "Protein S deficiency", "Antithrombin III deficiency", "All" ]
D
Ans. is 'a'i.e Protein C deficiency; 'b' i.e., Protein S deficiency; 'c' i.e., Antithrombin III deficiency
medmcqa_1258
medmcqa
Index measuring deprivation in basic dimensions of human development
[ "Human povey index", "Human development index", "Physical quality of life index", "Development deprivation index" ]
A
The Human Povey Index (HPI) was considered to better reflect the extent of deprivation to the HDI. In 2010 it was supplanted by the UN&;s Multidimensional Povey Index.
aquarat_18457
aquarat
A train 100 meters long completely crosses a 350-meter long bridge in 40 seconds. What is the speed of the train in km/h?
[ "A)37.5 km/h", "B)40.5 km/h", "C)43.5 km/h", "D)46.5 km/h" ]
B
speed = distance / time = (100 + 350)/40 = 450/40 (m/s) * 3600/1000 = 40.5 km/h The answer is B.
qasc_3982
qasc
Where are you more likely to get a sunburn?
[ "at elevation", "the skin", "on covered places", "at sea level" ]
A
aquarat_3204
aquarat
A vantakes 6 hours to cover a distance of 540 Km. how much should the speed in Kmph be maintained to cover the same direction in 3/2th of the previous time?
[ "A)60 Kmph", "B)61 Kmph", "C)62 Kmph", "D)64 Kmph" ]
A
Time = 6 Distence = 540 3/2 of 6 hours = 6 * 3/2 = 9 Hours Required speed = 540/9 = 60 Kmph A)
aquarat_44727
aquarat
Anna left for city A from city B at 5.20 a.m. She traveled at the speed of 80 km/hr for 2 hrs 15 min. After that the speed was reduced to 60 km/hr. If the distance between two cities is 350 kms, at what time did Anna reach city A?
[ "A)10.77 a.m", "B)10.85 a.m", "C)10.27 a.m", "D)10.25 a.m" ]
D
Distance covered in 2 hrs 15 min i.e., 2 1/4 hrs = 80 * 9/4 = 180 hrs. Time taken to cover remaining distance = (350 - 180)/60 = 17/6 hrs = 2 5/6 = 2 hrs 50 min Total time taken = (2 hrs 15 min + 2 hrs 50 min) = 5 hrs 5 min. So, Anna reached city A at 10.25 a.m. Answer:D
medmcqa_7578
medmcqa
Ridge lap design of ponticis indicated for the replacement of a
[ "Maxillary first molar", "Maxillary central incisor", "Mandibular first molar", "Mandibular second premolar" ]
B
aquarat_14583
aquarat
Mandy drove from point A to point B at 60 Km/h. On her way back she drove at 80 Km/h and therefore her way back lasted one hour less. What is the distance (in Km) between A and B?
[ "A)140.", "B)200.", "C)240.", "D)300." ]
C
distance=speed*time d1=s1t1 d2=s2t2 The distance from point A to point B is the same for each trip so, d1=d2 and t2=t1-1 thus, s1t1=s2(t1-1) 60t1=80(t1-1) t1=4 60*4= 240 Answer: C
qasc_7865
qasc
What do plants use unsaturated fatty acids to store?
[ "sunlight", "glucose", "heat", "Nutrients" ]
A
medmcqa_6277
medmcqa
The odontogenic neoplasm, which is composed of loose, primitive-appearing connective tissue that resembles dental pulp, microscopically is known as _____.
[ "Odontoma", "Ameloblastoma", "Ameloblastic fibroma", "Odontogenic myxoma" ]
D
Odontogenic myxomas are connective tissue neoplasms that contain little collagen. This gives them an embryonic look microscopically
medmcqa_1794
medmcqa
Compared to the other leukemias, hairy cell leukemia is associated with which of the following infections -
[ "Parvovirus D19", "Mycoplasma", "HTLV2", "Salmonella" ]
C
Hairy cell leukaemia is seen in patients susceptibility to infections with mycobacterium avium intracellulare. Nontuberculous mycobacteria, also known as environmental mycobacteria, atypical mycobacteria and mycobacteria other than tuberculosis, are mycobacteria which do not cause tuberculosis or leprosy. NTM do cause ...
aquarat_18904
aquarat
There were two candidates in an election. Winner candidate received 56% of votes and won the election by 288 votes. Find the number of votes casted to the winning candidate?
[ "A)776", "B)1344", "C)299", "D)257" ]
B
W = 56% L = 44% 56% - 44% = 12% 12% -------- 288 56% -------- ? => 1344 Answer:B
mmlu_aux_5169
mmlu_auxiliary
For a long time, humans have used technology to study the world around us, and Mars is the latest place we're using machines to explore. Besides the earth, the "red planet" is seen, as the one place in our solar system most likely to have life. Early last month, the first American robot, Spirit, landed on Mars withou...
[ "they can surely find life on Mars", "there may be life on Mars", "it's too late for them to explore Mars now", "Mars is the only planet that has life on it" ]
B
null
medmcqa_5939
medmcqa
A 75-year-old male presented with chief complaint of pain in the right shoulder. CXR is shown below. Which of the following could be the cause of pain in this patient?
[ "Pancoast tumor", "Sarcoidosis", "Subclan aery aneurysm", "Mesothelioma" ]
A
CXR shows a mass in the right lung apex and there is associated destruction of the right 2nd and 3rd ribs posteriorly. A combination of an apical mass along with the destruction of the rib is characteristic of Pancoast tumor/ Superior Sulcus Tumor. MRI is a more sensitive investigation in identifying the extension of t...
medmcqa_8063
medmcqa
A 12 year old boy presents with recurrent attacks of conjunctivitis for the last 2 years with intense itching and ropy discharge. The diagnosis is:
[ "Vernal conjunctivitis", "Phlyctenular conjunctivitis", "Trachoma", "Viral conjunctivitis" ]
A
Vernal conjunctivitis
arc_easy_30
arc_easy
Which of the following properties provides the BEST way to identify a mineral?
[ "hardness", "shape", "size", "temperature" ]
A
medmcqa_7333
medmcqa
A case of 32 weeks of pregnancy with cornual placenta with breech presentation, treatment of choice is :
[ "Wait & Watch", "External cephalic version", "Elective C. S.", "Vaginal breech delivery" ]
A
Wait & Watch
qasc_6389
qasc
What is formed from magma cooling?
[ "sandstone", "basalt", "Mountains", "trees" ]
B
medmcqa_5800
medmcqa
The most common cause of Macular edema is
[ "Secondary glaucoma", "Cataract surgery", "Retinitis pigmentosa", "Uveitis" ]
B
Macular edema refers to the collection of fluid in the outer plexiform(Henle's layer) and an inner nuclear layer of the retina, centered around the foveola.EtiologyIt is associated with a number of disorders. A few common causes are as follows:1. As postoperative complication following cataract extraction and penetrati...
openbookqa_1659
openbookqa
A tone is made when a hammer makes contact with
[ "a waterfall", "air", "an solid object", "a log" ]
C
openbookqa_2820
openbookqa
A way in which humans may cause pollution to the environment is
[ "using bug killer on crops", "avoiding spilling oil into oceans", "placing plastics in special containers", "making laws against littering" ]
A
aquarat_31714
aquarat
A rectangular courtyard, the sides of which are in the ratio of 4:3, cost Rs.600 for paving at 50 p per m2; find the length of the diagonal of the courtyard?
[ "A)25 m", "B)11 m", "C)77 m", "D)86 m" ]
A
1 m2 ---- 1/2 ? ----- 600 => 1200 m2 4x * 3x = 1200 => x = 10 Answer:A
openbookqa_1415
openbookqa
Which would result in the most dangerous driving experience?
[ "light rain", "low speed", "distant thunder", "heavy fog" ]
D
qasc_152
qasc
have a circulatory system with one or two hearts
[ "Birds", "alpacas", "elms", "Clams" ]
D
medmcqa_1208
medmcqa
What is the treatment of threshold ROP?
[ "laser photocoagulation", "slow reduction in oxygen", "retinal reattachment", "antioxidants" ]
A
Ans is 'a' i.e. Laser Photocoagulation Threshold disease in ROP is defined as stage 3+ ROP in Zones 1 or 2 occupying at least five contiguous clock-hours or eight noncontiguous clock-hours of retina.Treatment of threshold disease is Laser Photocoagulation.'Laser therapy has largely replaced cryotherapy because visual a...
aquarat_47466
aquarat
A child must place 7 different toys in 4 different bins. If any of the toys can go in any of the bins, in how many ways can the child place the toys into the bins?
[ "A)6^6", "B)6^4", "C)4^7", "D)4^4" ]
C
there are 4 different bins and each of the toy can go to any of these bins.. so answer 7Γ’Λ†β€”7Γ’Λ†β€”7Γ’Λ†β€”7Γ’Λ†β€”7Γ’Λ†β€”7Γ’Λ†β€”7=4^7 ANSWER:C
aquarat_6405
aquarat
A cab driver 5days income was $40, $50, $60, $65 , $80. Then his average income is?
[ "A)A)$58", "B)B)$42", "C)C)$65", "D)D)$59" ]
D
avg = sum of observations/number of observations avg income=(40+50+60+65+80)/5 = 59 Answer is D
openbookqa_640
openbookqa
A skill, or learned characteristic is
[ "washing face", "falling asleep", "eating breakfast", "crying" ]
A
aquarat_20510
aquarat
Two assembly line inspectors, Lauren and Steven, inspect widgets as they come off the assembly line. If Lauren inspects every fourth widget, starting with the fourth, and Steven inspects every third, starting with the third, how many of the 98 widgets produced in the first hour of operation are not inspected by either ...
[ "A)50", "B)52", "C)53", "D)55" ]
C
Widgets inspected by Lauren: ((96-4)/4)+1=23+1=24 Widgets inspected by Steven: ((96-3)/3)+1 =31+1 =32 Widgets inspected by both: ((96/12)+1 =9 Total : 24+32 -9=45 hence, widgets not inspected: 98-45=53 Option C
qasc_2775
qasc
what can genetic material have?
[ "resistance", "mutations", "clorophyll", "nucleotide" ]
B
qasc_7766
qasc
What do plants to when the days get shorter?
[ "produce light", "Exfoliation", "flower", "go dormant" ]
D
medmcqa_9031
medmcqa
In Glycinuria, glycine is excreted as
[ "Urea", "Glutathione", "Formate", "Oxalate" ]
D
(D) Oxalate # Diseases associated with glycine metabolism: are 1. Glycinuria and 2. Primary hyperoxaluria> In Glycinuria there is excessive urinary excretion of glycine with a tendency to form oxalate renal stones. This disease is inborn and very rare.> Primary hyperoxaluria is a metabolic disease characterized biochem...
medmcqa_5170
medmcqa
Management of medulloblastoma in 1.5 year old. What is not done in curative therapy?
[ "Open surgery with leaving the tumour margins", "Chemotherapy", "Total cranial spinal irradination", "VP shunt for the obstructive hydrocephalus" ]
A
. Treatment consist of relief of raised intracranial pressure,establishment of pathological diagnosis,removal of beningn tumors,decompressive surgeries for malignant tumor,shunt surgeries to drain CSF_ventriculo peritonial shunt or ventriculo atrial shunt,radiotherapy ,chemotherapy-temozolamide (Ref;SRB's Manual of Sur...
pubmedqa_395
pubmedqa
Does Sensation Return to the Nasal Tip After Microfat Grafting?
[ "yes", "no", "maybe" ]
A
medmcqa_2707
medmcqa
A young male presents with fever, followed by headache, confusion, focal seizures and right hemiparesis. MRI shows bilateral frontotemporal hyperintense lesion. Which of the following is the most likely diagnosis?
[ "Acute pyogenic meningitis", "Herpes simplex encephalitis", "Neurocysticercosis", "Carcinomatous meningitis" ]
B
Patient is showing features suggestive of herpes simplex encephalitis. Clinical manifestations in viral encephalitis includes altered level of consiousness (confusion, behavioral abnormalities), mild lethargy to coma, evidence of both focal or diffuse neurologic signs and symptoms and focal or generalized seizures. Inv...
medmcqa_6280
medmcqa
Stemmer's sign is
[ "Swelling in the foot seen with lymphoedema", "Loss of normal perimalleolar shape in lymphoedema", "Subcutaneous fibrosis which makes skin over dorsum of foot not pinchable", "Pitting Oedema in filariasis" ]
C
Skin over the dorsum of foot cannot be pinched because of subcutaneous fibrosis in filariasis = STEMMER'S SIGN.
mmlu_aux_2619
mmlu_auxiliary
Four decades ago a group of college students visited the mountains of Borneo to examine moth populations. Now a team of British scientists, including a member of the original trip, has returned to the same sites to repeat the survey. They have found that, due to rising temperatures, the insects now live 68 meters hig...
[ "6.8 meters higher", "19 meters higher", "34 meters higher", "68 meters higher" ]
B
null
arc_challenge_1044
arc_challenge
An experiment is being conducted to determine the air quality inside a building. In order to come to a conclusion, scientists must gather data. Which of the following would be an excellent source of data from which to draw a conclusion?
[ "naked-eye viewing", "calculations of air mass", "demonstrations of air pressure", "measurement of airborne particulates" ]
D
mmlu_aux_7596
mmlu_auxiliary
A bird in an arid place can find water, despite a lack of puddles, lakes or rainfall if it
[ "pokes a tough plant", "eats a small stone", "takes out a loan", "cries for a minute" ]
A
null
mmlu_aux_7722
mmlu_auxiliary
Hummingbirds drink nectar from flowers, and when they leave the flower
[ "they turn bright purple", "they fall to the ground", "they bring special dust with them", "they eat small birds" ]
C
null
qasc_2340
qasc
a developing rattlesnake requires what to survive
[ "warmth", "companionship", "nutrients", "shade" ]
A
medmcqa_3525
medmcqa
The Earliest sign of male pubey is
[ "Pubic hair", "Axillary hair", "Hoarseness of voice", "Testicular enlargement" ]
D
In boys, the first visible sign of pubey and hallmark of SMR2 is testicular enlargement, beginning as early as 9 1/2 years. This is followed by penile growth during SMR3. Peak growth occurs when testis volumes reach approximately 9-10 cm3 during SMR4. Under the influence of LH and testosterone, and prostate enlarges. T...
aquarat_12605
aquarat
Excluding stoppages, the speed of a bus is 50 kmph and including stoppages, it is 35 kmph.For how many minutes does the bus stop per hour?
[ "A)17 minutes", "B)18 minutes", "C)19 minutes", "D)16 minutes" ]
B
Explanation : In one hour Due to stoppages, it covers 15 km less. Time taken to cover 15 km = [15/50 * 60] min = 18 min Answer : B
qasc_7271
qasc
What is required for seeing?
[ "dark", "sun", "light", "wind" ]
C
aquarat_36825
aquarat
Group A has 3 boys and 2 girls, group B has 4 boys and 4 girls and group C has 3 boys and 3 girls. One student is selected from each of the group. Find the probability that one girl and two boys are among the three selected?
[ "A)2/5", "B)1/18", "C)9/5", "D)2/3" ]
A
Group A has 3 boys and 2 girls; 5 Group B has 4 boys and 4 girls; 8 Group C has 3 boys and 3 girls. 6 Selected group should have one girl and two boys. Girl from A, boy from B, boy from C: 2/5*4/8*3/6 = 1/10; Boy from A, girl from B, boy from C: 3/5*4/8*3/6 = 3/20; Boy from A, boy from B, girl from C: 3/5*4/8*3/6 = 6/4...
qasc_3626
qasc
Earth orbiting the sun causes something with how many different states to change?
[ "three", "two", "four", "six" ]
C
mmlu_aux_5168
mmlu_auxiliary
FOR people who are interested in space, nothing is more exciting than the idea of living on other planets. That might be why the movie The Martian (<<>> ) is so popular. It shows an astronaut struggling to live on Mars. But would it actually be possible to live on the Red Planet? While the idea of living on Mars is gre...
[ "What problems the radiation causes.", "How to avoid bad conditions on Mars.", "How to build homes on Mars.", "How to protect Mars." ]
B
null
arc_easy_520
arc_easy
Which of these properties of water helps moderate the weather of coastal areas?
[ "neutral pH", "high specific heat", "dissolves many substances", "floats as a solid" ]
B
aquarat_18729
aquarat
A number when divided by a certain divisor left remainder 241, when twice the number was divided by the same divisor, the remainder was 115. Find the divisor?
[ "A)370", "B)365", "C)380", "D)367" ]
D
Easy solution: N= Dq1+241 2N = 2Dq1 + 482 - (1) 2N = Dq2 + 115 - (2) As (1) = (2) = 2N D*(q2-2q1) = 367 D * Some integer = 367 Checking all options only (D) syncs with it. ANswer D
openbookqa_1113
openbookqa
Once we use all the aluminum in the world we can get more by
[ "Impossible", "Watering the grass", "building a dam", "Planting soda cans" ]
A
medmcqa_7019
medmcqa
The carpal tunnel syndrome can be caused by all, EXCEPT:
[ "Hypothyroidism", "Tuberculosis", "Pregnancy", "Acromegaly" ]
B
Many systemic conditions are strongly associated with carpal tunnel syndrome (CTS). These conditions may directly or indirectly affect microcirculation, pressure thresholds for nerve conduction, nerve cell body synthesis, and axon transpo or interstitial fluid pressures. Peurbations in the endocrine system, as observed...
aquarat_27480
aquarat
Take number 1000 and then add 20 to it. Now add 1000 one more time. Now add 30. Now add 1000 one more time. Now add 40. Now add 1000 one more time. Now add 10. What is the total?
[ "A)4100", "B)3590", "C)2800", "D)3700" ]
A
A 4100
medmcqa_1929
medmcqa
Cyanide affects respiratory chain by
[ "Non-competitive reversible inhibition", "Competitive reversible inhibition", "Suicide irreversible inhibition", "Non-competitive irreversible inhibition" ]
D
The toxicity of cyanide is due to its inhibitory effect on the terminal cytochrome which brings cellular respiration to a standstill. The inhibitor usually binds to a different domain on the enzyme, other than the substrate binding site. Since these inhibitors have no structural resemblance to the substrate, an increas...
openbookqa_1421
openbookqa
An area of dirt contains large amounts of talc. That means that talc is able to be found in
[ "strawberries that grow elsewhere", "strawberries that grow there", "shark's stomachs under water", "underwater caves in France" ]
B
aquarat_6696
aquarat
Pipe A can fill a tank in 3 hours. Due to a leak at the bottom, it takes 9 hours for the pipe A to fill the tank. In what time can the leak alone empty the full tank?
[ "A)4.5", "B)17", "C)18", "D)19" ]
A
Let the leak can empty the full tank in x hours 1/3 - 1/x = 1/9 => 1/x = 1/3 - 1/9 = (3 - 1)/9 = 2/9 => x = 9/2 = 4.5. Answer: A
medmcqa_9857
medmcqa
All of the following are mediators of acute inflammation except:
[ "Angiotensin", "Prostaglandin E2", "Kallikrein", "C3a" ]
A
Kallikreins like:- Bradykinin PGs Complement components are mediators of acute inflammation.
medmcqa_3519
medmcqa
All of the following drugs alter calcium hemostasis except-
[ "Flouride", "Indomethacin", "Mithramycin", "Thiazides" ]
B
drugs or Non hormonal substances altering calcium hemostasis are Calcium preparations Flouride Thiazides Bisphosphonates Vit D or Calcitriol Some antibiotics like mithramycin Ref - Harrisons internal medicine 20e p2945-2946 2911-12
mmlu_aux_3194
mmlu_auxiliary
Why did the chicken cross the road? To get to the other side. Most people know this joke. But recently, some people have been much more worried about how the grizzly bear and mountain lion can cross the road. " Millions of animals die each year on the U. S. roads, " the Federal Highway Administration reports. In fact, ...
[ "an increasing number of animals are killed in road accidents", "the driving conditions have improved greatly", "the measure for protecting wildlife fails to work", "wild animals have become more dangerous" ]
A
null
arc_challenge_362
arc_challenge
As a heavy metal ball rolls down a hill, it goes faster and faster. Which statement is true?
[ "The ball's potential energy is changing to kinetic energy.", "The ball is gaining potential energy from the hill.", "The ball is rapidly losing kinetic energy as it rolls down the hill.", "The ball will continue gaining kinetic energy until it stops." ]
A
mmlu_aux_5242
mmlu_auxiliary
We have known for a long time that flowers of different plants open and close at different time of day. Yet no one really understands why flowers open and close like this at particular times. It is not as simple as we might think, as new experiments have shown. In one experiment, flowers were kept in darkness. We might...
[ "we will have more strength to do our work.", "clocks or watches are no longer useful to us", "we will be able to live as long as we wish to", "human beings will need less sleep, less food or less movement" ]
A
null
aquarat_7137
aquarat
During a Thanksgiving weekend, a car rental company rented six-tenths of their vehicles, including two-fifths of the 4WDs that it had. If 40% of the vehicles are 4WDs, then what percent of the vehicles that were not rented were not 4WDs?
[ "A)20%", "B)30%", "C)40%", "D)50%" ]
C
4/10 of all the vehicles were not rented. (3/5)(2/5) = 6/25 of all the vehicles are 4WDs that were not rented. (6/25) / (4/10) = 3/5 is the fraction of non-rented vehicles that were 4WDs 1 - 3/5 = 40% of non-rented vehicles were not 4WDs. The answer is C.
medmcqa_840
medmcqa
Which of the following does not belong to dystrophin-glycoprotein complex
[ "Perlecan", "Dystrophin", "Dystroglycan", "Sarcoglycan" ]
A
Perlecan is a large extracellular matrix proteoglycan that plays a crucial role in tissue development and organogenesis. Dystrophin-glycoprotein complex The dystrophin-glycoprotein complex provides a structural link between the cytoskeleton of the muscle cell and the extracellular matrix, which appears to stabilize the...
aquarat_20305
aquarat
If the perimeter of a rectangular garden is 800 m, its length when its breadth is 100 m is?
[ "A)338 m", "B)300 m", "C)200 m", "D)276 m" ]
B
2(l + 100) = 800 => l = 300 m Answer:B
openbookqa_1216
openbookqa
A sandbar is in the shallow portion of water where
[ "water is bloody", "water is harder", "water is falling", "water adjusts things" ]
D