id
string
dataset
string
question
string
options
list
answer
string
explanation
string
qasc_2930
qasc
After the roots develop, most absorb what?
[ "root systems", "spores and sunlight", "heat energy", "water and minerals" ]
D
aquarat_14689
aquarat
A straight line in the xy- plane has y-intercept of 79 and slope of 6. On this line the y-coordinate of the point is 14, then what is the X-coordinate of the point?
[ "A)11", "B)-10.83", "C)71", "D)20.83" ]
B
Eq of line = Y = MX +C C= 79 M=6 Y=14 Substitute given: X = (Y - C) / M = (14 - 79) / 6 = -65/6 = -10.83 correct option is B
arc_easy_1669
arc_easy
For many years, people have been curious about the stars. In the past, people have shared what they knew about the stars through stories and drawings. Which pair of tools would be most helpful for people today to gather and share information about stars?
[ "a notebook and a calculator", "a telescope and a computer", "a calculator and a microscope", "a microscope and a telescope" ]
B
medmcqa_7471
medmcqa
Following are the normal features in temporomandibular joint except
[ "Joint sound", "Pain while opening the mouth", "Deviation of the mouth in opposite while opening the mouth in eccentric movements", "None of the above" ]
B
medmcqa_7149
medmcqa
Cytosolic cytochrome C plays an impoant function in -
[ "Apoptosis", "Cell necrosis", "Electron transpo chain", "Cell division" ]
A
Ans. is 'a' i.e. ApoptosisMechanism ofApoptosiso Apoptosis is induced by a cascade of molecular events that may be initiated in distinct ways but culminate in the activation of caspases.o Caspases are central to the pathogenesis of apoptosiso The process of apoptosis is divided into two phasesi) Initiation phase --> Du...
aquarat_42214
aquarat
If k is a non-negative integer and 30^k is a divisor of 929,260 then 3^k - k^3 =
[ "A)0", "B)1", "C)45", "D)130" ]
B
9+2+9+2+6+0 = 28, so this number is not divisible by 3 and thus not divisible by 30. Therefore, k=0 3^k - k^3 =1-0=1 The answer is B.
medmcqa_6968
medmcqa
Anti U1 RNP is a feature of:
[ "SLE", "MCTD", "Sclerorema", "CREST" ]
B
MCTD
arc_challenge_71
arc_challenge
New engine technology has helped cars get more mileage per gallon of gas. Since gasoline comes from oil, this technology will affect the world supply of oil by
[ "increasing the need to search for more oil.", "reducing the time it takes for oil to be renewed.", "decreasing the amount of oil that exists underground.", "extending the time that oil will be available for people to use." ]
D
openbookqa_1234
openbookqa
Oceans cover 70% of the surface of what?
[ "the moon", "the sun", "wet planet", "cities" ]
C
qasc_1990
qasc
a greenhouse helps
[ "climate", "plant growth", "Quality of life", "consumers" ]
B
medmcqa_9314
medmcqa
320 IPC is for –
[ "Defines hurt", "Defines murder", "Attempt to murder", "Defines grievous hurt" ]
D
According to sec. 320 IPC any of following injuries are grievous. Emasculation Permanent privation of sight of either eye Permanent privation of hearing of either ear Privation of any member or joint Destruction or permanent impairing of power of any member or joint Permanent disfiguration of head or face Fracture or d...
medmcqa_5852
medmcqa
Familial polyposis coli is due to
[ "Abnormality of chromosomes five", "Abnormality of chromosomes", "Intestinal tuberculosis", "Intussusception" ]
A
.desmoid tumour is often associated with the familial polyposis colon (FAP), osteomas, odontomes epidermal cysts-- Gardner's syndrome.it is usually due to genetic abnormality involving chromosome 5. ref:SRB&;s manual of surgery ,ed 3,pg no 776
medmcqa_1740
medmcqa
Which of the following is not a pyrimidine base?
[ "Cytosine", "Uracil", "Guanine", "Thymine" ]
C
Guanine is a purine base Ref-Harpers illustrated biochemistry 30/e p329
arc_easy_2186
arc_easy
As the human population increases, more fossil fuels are being used. The burning of fossil fuels produces greenhouse gases. How might humans reduce greenhouse gases?
[ "Buy cars that use gasoline.", "Build power plants that use coal.", "Use renewable resources to generate power.", "Use nonrenewable resources to generate power." ]
C
aquarat_20960
aquarat
A 250 m long train running at the speed of 120 km/hr crosses another train running in opposite direction at the speed of 80 km/hr in 9 sec. What is the length of the other train?
[ "A)230", "B)288", "C)250", "D)256" ]
C
Relative speed = 120 + 80 = 200 km/hr. = 200 * 5/18 = 500/9 m/sec. Let the length of the other train be x m. Then, (x + 250)/9 = 500/9 => x = 250. Answer: C
mmlu_aux_2707
mmlu_auxiliary
Put an ice cube from your fridge into a glass of water. You have a piece of string 10 centimeters long. The problem is to take out that piece of ice with the help of the string. But you must not touch the ice with your fingers. You may ask your friends to try to do that when you are having dinner together. There ...
[ "More than three minutes.", "Five minutes or so.", "Only one minute or two.", "About ten minutes." ]
C
null
mmlu_aux_7890
mmlu_auxiliary
A car hitting a rolling boulder can cause the car to
[ "increase in value", "wet itself", "play the radio", "decrease momentum" ]
D
null
medmcqa_8833
medmcqa
Most common cause of Bronchiolitis is:
[ "RSV", "Adenovirus", "Hospitalize and treat", "Mycoplasma" ]
A
a. RSV(Ref: Nelson's 20/e p 2044-2047, Ghai 8/e p 381-382Acute bronchiolitisIt is predominantly a viral disease and RSV is responsible for more than 50% of casesOther agents include parainfluenza, adenovirus, rhinovirus, Mycoplasma, human metapneumovirus and bocavirus.
medmcqa_2921
medmcqa
30 year old patient with pain in right hypochondrium for 5 days with soft and tender liver and intercostal tenderness. He complains of catch in breath on inspiration and has a non productive cough. On examination the lung fields are clear, patient looks pale and emaciated. Probable diagnosis is
[ "Amoebic liver abscess", "Pyogenic live abscess", "Hydatid cyst", "Hepatic adenoma" ]
A
Ans. (a) Ameobic liver abscessRef:Manipal Manual of surgery, 4th ed./521Refer to the above explanationHydatid cystUsually clinically silentEnlarged liver with smooth surface and is non tender.Pyogenic liver abscessMultiple abscess leading to spiky fever and enlarged liver.Hepatic adenomaPresents in young women on OCP a...
aquarat_29651
aquarat
Mary goes into labor at her local grocery store and is rushed to a hospital in an ambulance traveling 60mph. Her husband Don drives after the ambulance at an average speed of 30mph. Mary reaches the hospital fifteen minutes later. How long does it take Don to get there from the store?
[ "A)25 minutes", "B)30 minutes", "C)10 minutes", "D)15 minutes" ]
B
Distance covered by the ambulance in 15 minutes = 15 miles 60 mph is one mile per minute, therefore 30 mph will be 1/2 a mile per minute. So, he reaches the hospital half an hour after leaving the store. Correct Answer: B
qasc_7119
qasc
What affect does high pressure have on the boiling point
[ "heat", "Rise", "Increase", "forces" ]
C
medmcqa_4919
medmcqa
All of the following are indices to define obesity, EXCEPT:
[ "Chandler's index", "Corpulence index", "Quetlet's index", "Body mass index" ]
A
Various indices used to detect obesity include: Corpulence index Quetlet's index/ Body mass index Ponderal index Broca index Lorentz's formula Ref: Park 21st edition, page 369.
aquarat_12698
aquarat
A sum of Rs. 2704 is lent into two parts so that the interest on the first part for 8 years at 3% per annum may be equal to the interest on the second part for 3 years at 5% per annum. Find the second sum?
[ "A)1672", "B)1664", "C)1677", "D)1698" ]
B
(x*8*3)/100 = ((2704 - x)*3*5)/100 24x/100 = 40560/100 - 15x/100 39x = 40560 => x = 1040 Second sum = 2704 – 1040 = 1664 Answer:B
aquarat_16393
aquarat
A completes a work in 10 days and B complete the same work in 20 days. If both of them work together, then the number of days required to complete the work will be
[ "A)8 days", "B)6.67 days", "C)10 days", "D)12 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 Therefore, here, the required number of days = 10 × 20/ 30 = 6.67 days. Answer : B
openbookqa_2906
openbookqa
An unwillingness to listen to guidelines leaves data completely
[ "noble prize winning", "faulty", "repeatable", "perfect" ]
B
aquarat_8615
aquarat
Two numbers are respectively 20% and 25% more than a third number. The percentage that is first of the second is?
[ "A)33", "B)71", "C)96", "D)55" ]
C
I II III 120 125 100 125----------120 100-----------? => 96% \Answer:C
medmcqa_9191
medmcqa
All of the following features are seen in thrombotic thrombocytopenic purpura, except:
[ "Fever", "Haemolysis", "Hypeension", "Low platelets count" ]
C
Thrombotic Thrombocytopenic Purpura is characterized by the pentad of hemolytic anemia, thrombocytopenia, neurologic symptoms, fever, and renal failure. It is not associated with hypeension. Ref: Harrison's Principle of Internal Medicine, 18th Edition, Pages 967, 969, Chapter 286
arc_easy_2210
arc_easy
Which is the first step in a design process?
[ "Revise the solution.", "Describe the problem.", "Test the possible solutions.", "Identify possible solutions." ]
B
mmlu_aux_3303
mmlu_auxiliary
While I was on a trip to Papua New Guinea to take underwater photographs, I asked a local dive guide to help me find a pygmy sea horse . I wanted to take a picture of it. These sea horses can be red or yellow-and-orange. The red pygmy sea horse lives on only one type of coral, a red sea fan that grows at depths below n...
[ "It lives on red sea fans only.", "It swims very quickly.", "It lives nine feet deep.", "It usually floats in mid-water." ]
A
null
qasc_4136
qasc
What does ice lose when it is made?
[ "water vapor", "nutrients", "ocean water", "Heat energy" ]
D
aquarat_15898
aquarat
In a trapezium ABCD, AB is parallel to DC, AB = 3*DC, and the diagonals of the trapezium intersect at O. The ratio of the area of ∆OCD to the area of ∆OAB is:
[ "A) 1:9", "B) 1:3", "C) 3:1", "D) 1:10" ]
A
triangles are similar , so ratio will be 1:9 A
qasc_4745
qasc
What can lasers be used for?
[ "tag", "energy", "electricity", "illumination" ]
D
arc_easy_577
arc_easy
Where does oxygen-rich blood go after leaving the lungs?
[ "the brain.", "the heart.", "the kidney.", "the stomach." ]
B
medmcqa_9093
medmcqa
Which bacteria show this kind of growth pattern in Ghee broth
[ "Yersinia Pestis", "Acinetobacter", "Aeromonas", "Nocardia" ]
A
In ghee broth , Yersinia pestis shows a characteristic growth which hangs down into broth from the surface , resembling stalactites ( stalactite growth )
qasc_7378
qasc
Which animal would use earth's magnetic patterns to find locations?
[ "Birds", "Bears", "Skunks", "Bats" ]
A
pubmedqa_174
pubmedqa
Quality of life in lung cancer patients: does socioeconomic status matter?
[ "yes", "no", "maybe" ]
A
arc_easy_1682
arc_easy
How does repeating an experiment improve the likelihood of obtaining accurate results?
[ "Data can be compared.", "Time can be decreased.", "Equipment can be added.", "Procedures can be changed." ]
A
qasc_7729
qasc
What has a negative impact on water quality?
[ "rain", "harmful substances", "rain below 5.6 pH", "sleet" ]
C
aquarat_47174
aquarat
Evaluate 50!/47!
[ "A)102500", "B)112584", "C)117600", "D)118450" ]
C
Evaluate 50!/47! = 50*49*48* (47!)/47! = 50*49*48 = 117600 ANSWER:C
aquarat_1666
aquarat
The salary of a typist was at first raised by 10% and then the same was reduced by 5%. If he presently draws Rs.1045.What was his original salary?
[ "A)1268", "B)1000", "C)1786", "D)1778" ]
B
X * (110/100) * (95/100) = 1045 X * (11/10) * (1/100) = 11 X = 1000 Answer: B
medmcqa_4259
medmcqa
All of the following statements are true regarding poliovirus, except:
[ "It is transmitted by feco-oral route", "Asymptomatic infections are common in children", "There is a single serotype causing infection", "Live attenuated vaccine produces herd immunity" ]
C
Ans. is 'c' i.e., There is a single serotype causing infection There are 3 types of poliovirus which are associated with infection.
aquarat_25176
aquarat
A merchant has selected two items to be placed on sale, one of which currently sells for 30 percent less than the other. If he wishes to raise the price of the cheaper item so that the two items are equally priced, by what percentage must he raise the price of the less expensive item?
[ "A)22 %", "B)30%", "C)42 6/7%", "D)70%" ]
C
Expensive item = $100; Cheap item = $70; We must increase $70 to $100, so by $30, which is approximately 40% increase: (100-70)/70 = 3/7 = ~0.42. Answer: C.
aquarat_30815
aquarat
Evaluate: 6702.5 + 670.25 + 67.025 + 6.7025 + 0.67025
[ "A)7447.14775", "B)6981.59775", "C)6918.59775", "D)6198.59775" ]
A
6702.5 670.25 67.025 6.7025 + 0.67025 --------------- 7447.14775 Answer is A.
openbookqa_2684
openbookqa
Paul's dog has just pooped on the lawn. The dog has
[ "had a nutritious meal within the last day", "gotten himself into trouble", "had a lot to drink", "been a good boy" ]
A
openbookqa_1138
openbookqa
A puppy wakes up and needs to to for a walk. In order to have the ability to do this, he will require
[ "pebbles", "lunch", "toys", "wheels" ]
B
medmcqa_573
medmcqa
Prognostic stage groups in carcinoma breast include all except
[ "Tumour size", "Grade", "HER-2 status", "Age" ]
D
Prognostic stage groups include TNM plus grading, and status of biomarkers HER-2, ER, and PR Ref: AJCC 8th edition
mmlu_aux_7003
mmlu_auxiliary
After a wildfire, the surviving creatures need to
[ "find new homes", "dig for food", "reproduce", "fight for leadership" ]
A
null
medmcqa_2948
medmcqa
Complications of cataract surgery –a) Endophthalmitisb) Optic neuropathyc) Retinal detachmentd) Vitreous losse) Lagophthalmos
[ "abcd", "bcde", "abde", "acd" ]
D
Important complications of cataract surgery After cataract (opacification of the capsule)        Vitreous prolapse & loss    Cystoid macular edema      Endophthalmitis Aphakic glaucoma Retinal detachment Fibrous & endothelial growth Neovascular glaucoma Iris prolapse Anterior uveitis (iridocyclitis) Strait keratopath...
qasc_6265
qasc
What comes from non-renewable resources?
[ "plastic bags", "renewable goods", "burning coal", "emissions" ]
A
aquarat_23475
aquarat
Dan's age after 20 years will be 7 times his age 4 years ago. What is the present age of Dan?
[ "A)6", "B)8", "C)10", "D)12" ]
B
Let Dan's present age be x. x+20 = 7(x-4) 6x = 48 x = 8 The answer is B.
medmcqa_3866
medmcqa
Which of the following is best to sterilize heat labile solutions?
[ "Dry heat", "Autoclave", "Membrane filtration", "Pasteurization" ]
C
Heat sensitive liquids like serum, vaccines, antisera, enzymes, antibiotic solutions and urea solutions can be sterilized by using membrane filtration. The filtration can be aided by using either positive or negative pressure
openbookqa_1755
openbookqa
If a plant is deprived of which of these, it will die?
[ "glass", "dampness", "cat food", "poison" ]
B
mmlu_aux_1688
mmlu_auxiliary
"Plants were expected to get larger with increased carbon dioxide in atmosphere, but changes in temperature, humidity and nutrient availability seem to trumped the benefits of increased carbon dioxide," said researchers from the National University of Singapore. 45 percent of the species studied now reach smaller ad...
[ "too many studies on animals' size have been done", "all the animals on the earth have become smaller", "how climate change effects animals' size has not been found clearly", "people can avoid the negative effects of climate change" ]
C
null
medmcqa_1110
medmcqa
True about hepatitis C virus are all except -
[ "Most common cause of chronic infection", "Has live attenuated vaccine", "Spread by blood transfusion", "Is a flavivirus" ]
B
Ans. is 'b1 i.e., Has live attenuated vaccineHEPATITIS C VIRUS (HCV)o The hepatitis 'C' virus has been classified as a new' genus Hepacivirus in the family flaviviridae.o The virus can not be cultured but can be cloned in Escherichia coli.o It is the commonest cause of post transfusion hepatitis and chronic hepatitis.o...
arc_easy_1992
arc_easy
Garrett collected some large rocks from a stream near his home. He measured the rocks on a balance. When he records the mass of the rocks, which units should Garrett use?
[ "pounds", "kilograms", "fluid ounces", "cubic centimeters" ]
B
aquarat_15112
aquarat
11:35::17:?
[ "A)3", "B)22", "C)58", "D)10" ]
D
11:35::17:X 11x:35x17 11x=595 x=54 ANSWER:D
medmcqa_3724
medmcqa
Which of the following Artery supplies the thyroid gland?
[ "Internal carotid artery", "Thyrocrvical trunk", "Lingual artery", "Subclavian artery" ]
B
Arterial Supply of thyroid gland:- Mainly supplied by: Superior thyroid arteries (this is branch of external carotid artery) Inferior thyroid arteries (this is a branch of the thyrocervical trunk that arises from the subclavian  artery)
qasc_6102
qasc
What causes night on a planet?
[ "clouds", "speed", "Winter", "rotation" ]
D
aquarat_49088
aquarat
on dividing a N by 9,remainder is 8. the quotient obtained when divided by 11,leaves remainder 9. now the quotient when divided by 13,leaves remainder 8. find the remainder when when the N is divided by 1287
[ "A)871", "B)881", "C)891", "D)904" ]
B
take from the last step division suppose no. is n which is divided by 13 and remainder 8 = 13n+8 now 13n+8 will be the no. which is divided by 11 and remainder is 9 = [11*(13n+8)]+9 now this no. is used for the very first step which is divider is 9 and remainder is 8 ={9*[11*(13n+8)]+9}+8 solve and ans is 881 ANSWER:B
aquarat_26506
aquarat
A sum of $500 amounts to 600 in 2 years at simple interest. If the interest rate is increased by 10% it would amount to how much ?
[ "A)$500", "B)$700", "C)$800", "D)$600" ]
B
S.I = 600-500 = 100 P = $500 T = 2 years R = 100*100 / 500*2 = 10% New rate = 10+10 =20% New S.I. = 500*20*2/100 = $200 New amount = 500+200 = $700 Answer is B
arc_easy_347
arc_easy
Otto pushed a toy car across a floor. The car traveled fast across the wood, but it slowed to a stop on the carpet. Which best explains what happened when the car reached the carpet?
[ "Inertia decreased.", "Gravity increased.", "Friction increased.", "Magnetism decreased." ]
C
mmlu_aux_1932
mmlu_auxiliary
Have you ever looked toward the sky on a fall day and witnessed a group of migrating birds? If so, you probably noted the V-shaped formation of the birds or the birds flying in a ball-like formation. Why do birds fly this way? Many theories have been developed to explain the formation patterns of different types of bir...
[ "break into groups", "come close together", "change directions", "fly up and down" ]
B
null
mmlu_aux_3942
mmlu_auxiliary
US researchers have found traces of an ancient lake on Mars recently, increasing hopes of discovering evidence that billions of years ago the Red planet hosted life. The lake, which dates back some 3.4 billion years, appears to have covered as much as 80 square miles and was up to 1,500 feet deep, said the team from th...
[ "Because similar places on Earth have become natural deposits of markers of life.", "Because someone has put secrets about past life on Mars there.", "Because past life has been found in other deltas on Mars.", "Because some people are said to have already seen life marks there." ]
A
null
aquarat_22188
aquarat
If the areas of the three adjacent faces of a cuboidal box are 120 cm², 72 cm² and 60 cm² respectively, then find the volume of the box.
[ "A)120 m³", "B)400 m³", "C)660 m³", "D)720 cm m³" ]
D
Sol. Let the length, breadth and height of the box be, l, b, and h respectively, Then, Volume = lbh = √(lbh)² = √lb * bh * lh = √120 * 72 * 60 = 720 cm³ Answer D
medmcqa_3547
medmcqa
Example of electrical synapse:
[ "Tight junction", "Gap junctions", "Anchoring junction", "Neuromuscular junction" ]
B
(Refer: Ganong’s Review of Medical Physiology, 24th edition, pg no: 43-44) Intercellular junctions Connects the cell membranes of the neighboring cells also known as junctional complexes
qasc_7392
qasc
what can sponges live in?
[ "crust", "salt water", "mouth of rivers", "mantle" ]
B
openbookqa_231
openbookqa
An electric car causes
[ "more CO2 emissions", "equal CO2 emissions", "electric emissions", "less CO2 emmissions" ]
D
aquarat_40556
aquarat
6 + 6+ 6 + 2 × 6^2 + 2 × 6^3 + 2 × 6^4 + 2 × 6^5 + 2 × 6^6 + 2 × 6^7 =
[ "A)6^3", "B)6^8", "C)6^2", "D)6^1" ]
B
We have the sum of 9 terms. Now, if all terms were equal to the largest term 2*6^7 we would have: sum=9*(2*6^7)=18*6^7=~6^9, so the actual sum is less than 6^9 and more than 6^7 (option E) as the last term is already more than that. So the answer is clearly B. Answer: B
mmlu_aux_2318
mmlu_auxiliary
John von Neumann was the oldest of 3 children of an banker, and his speed of learning new ideas and solving problems stood out early. At 17, his father tired to persuade him not to become a mathematician because he may lead a poor life being a mathematician, and so von Neumann agreed to study chemistry as well. In 1926...
[ "a mathematician couldn't earn a lot of money", "a mathematician needed a good memory", "von Neumann had the ability to learn two subjects at the same time", "von Neumann had the gift for solving problems at a high speed." ]
A
null
medmcqa_7894
medmcqa
Not true about pituitary gland ?
[ "Lies in sella turcica", "Coicotrophs are acidophilic", "ADH is secreted by posterior lobe", "Anterior lobe is developed from Rathke's pouch" ]
B
Ans. is'b'i.e., Coicotrophs are acidophilicPituitary gland is situated in sella turcica.Anterior pituitary develops from Rathke's pouch and posterior pituitary develops from infundibular process from diencephalon.Coicotroph are basophils.ADH is secreted from posterior pituitary.
mmlu_aux_2414
mmlu_auxiliary
In the Arctic Ocean waters live the social animals---belugas, which is also known as white whales. Highly intelligent, these whales use different sounds to communicate and find their way. Belugas are also among the smallest kinds of whales. More than 210 belugas, including 31 in the United States, live in aquariums a...
[ "they think whales belong not only to the ocean", "they think these belugas kept are just for entertainment", "they think it necessary to keep these belugas in aquarium", "they think it necessary to put these whales on display" ]
B
null
openbookqa_1729
openbookqa
It is much harder to go star gazing in the city as opposed to the mountains due to the amount of factories doing what to the air
[ "dirtying it", "air horns", "candy", "tables" ]
A
medmcqa_9579
medmcqa
In cirrhotic ascites, which diuretic is preferred ?
[ "Furosemide", "Acetazolamide", "Spironolactone", "Any of the above" ]
C
medmcqa_2619
medmcqa
In which condition doctor is passive
[ "Classical psychoanalysis", "Psychoanalytic psychoanalysis", "Both", "None" ]
A
Classical Psychoanalysis No detailed history taking, mental status examination, or formalised psychiatric diagnosis is attempted. The patient is allowed to communicate unguided, by using 'free association'. The therapist remains passive with a non-directive approach; however, the therapist constantly challenges the exi...
medmcqa_9374
medmcqa
Narrowing of periodontal ligament in labially placed mandibular canine with age is due to:
[ "Due to deposition of cementum and bone", "Down growths of gingival epithelium", "Gingival cysts formed from cell rests", "Reversal of function of horizontal and oblique fibres" ]
A
medmcqa_7113
medmcqa
What is the wavelength of light used in light cure system:
[ "400nm", "474nm.", "500nm", "Any of the above." ]
B
The range is 400-500nm. But if question has been asked for specific wavelength then 474nm is more appropriate.
pubmedqa_454
pubmedqa
Appendectomy timing: Will delayed surgery increase the complications?
[ "yes", "no", "maybe" ]
B
qasc_5814
qasc
Friction causes the heat of an object to do what?
[ "increase", "energy", "slowing it down", "Energy." ]
A
arc_easy_937
arc_easy
A drinking water reservoir for a small town develops a blue-green algae bloom. The town hires a company to eliminate the problem. Which of the following should the company investigate first as a likely source of the problem?
[ "a pit where granite is ground up into gravel", "a neighborhood where lawn chemicals are used", "a junkyard where old cars are salvaged for parts", "a grain elevator where corn and soybeans are stored" ]
B
pubmedqa_122
pubmedqa
Does lung ischemia and reperfusion have an impact on coronary flow?
[ "yes", "no", "maybe" ]
A
aquarat_32040
aquarat
Total of the ages of A, B ahd C at present is 90 years. Ten years ago, the ratio of their ages was 1: 2: 3. What is the age of B at present
[ "A)25", "B)30", "C)45", "D)60" ]
B
Explanation: Let their ages 10 years ago is x, 2x and 3x years. 10 + 2x + 10 + 3x + 10 = 90 hence x= 10 B�s present age = (2x + 10) =30 years Answer: Option B
medmcqa_8030
medmcqa
Which cement base has the highest modulus of elasticity?
[ "Zinc polycarboxylate", "Polymer reinforced ZOE cement", "Zinc phosphate", "Glass inomer cement" ]
C
qasc_3157
qasc
What promotes the division of cells with damaged DNA?
[ "harmful substances", "Electrical energy", "turning on cell growth", "Chemical energy" ]
C
aquarat_27100
aquarat
Triangle STV has sides ST = TV = 13, and SV = 10. What is the area?
[ "A)60", "B)100", "C)120", "D)136" ]
A
Let the base B of the triangle be SV = 10. Then we need to find the height H. H^2 = 13^2 - 5^2 = 144 and then H = 12. The area is (1/2)*B*H = 5*12 = 60 The answer is A.
pubmedqa_428
pubmedqa
Screening History Among Women with Invasive Cervical Cancer in an Academic Medical Center: Will We Miss Cancers Following Updated Guidelines?
[ "yes", "no", "maybe" ]
B
medmcqa_5977
medmcqa
All are true about fully frozen Ice pack except:-
[ "Smallest component of cold chain", "Two vaccines are kept in two holes inside the ice pack", "Fill water up to horizontal mark with plain tap water", "Can store vaccines for 24hrs" ]
D
Fully Frozen Ice Pack; Fill water up to horizontal mark with plain tap water. Smallest Component of cold chain. If there is any leakage such ice-packs should be discarded. 2 vaccines are kept in two holes inside the ice pack. Can maintain vaccine temeprature for 2-4 hours.
medmcqa_8407
medmcqa
Which inhalational agent is used in patients with raised intra cranial tension?
[ "Enflurane", "Isoflurane", "Desflurane", "Sevoflurane" ]
B
Isoflurane causes least vasodialation and hence helps to moderate the cerebral blood flow. It reduces the ICT and hence is useful in neurosurgery. It is more potent than halothane and has rapid onset of action and induction. Reference 1. Quick Review of Pharmacology, By Dr J G Buch, Page 204
mmlu_aux_4737
mmlu_auxiliary
Luke Dollar is a scientist. He has spent many years in Madagascar studying lemurs . Here is an interview with him. Reporter: What were you like as a kid? Luke: As a kid, I was an explorer . I lived with my grandparents on a farm in Alabama. I spent a lot of time outdoors. It was a lot of fun and I enjoyed that. From ...
[ "Played music.", "Took photos.", "Wrote for newspapers.", "Travelled all over the US." ]
B
null
arc_easy_1681
arc_easy
The Theory of Plate Tectonics revolutionized scientific thought because it
[ "explained the movement of oceanic and continental crusts.", "demonstrated how tidal forces affect coastlines.", "mapped the pattern and frequency of earthquakes.", "explained the mineral differences between continents." ]
A
aquarat_9620
aquarat
Find the smallest number which should be multiplied with 1152 to make it a perfect square.
[ "A)2", "B)1", "C)3", "D)5" ]
A
1152 = 2*2*2*2*2*2*2*3*3 Required smallest number = 2 2 is the smallest number which should be multiplied with 1152 to make it a perfect square. ANSWER:A
medmcqa_6789
medmcqa
The plane of the axial wall of an M.O. cavity prepared for silver amalgam should be
[ "A flat straight plane bucolingually", "Parallel to the long axis of the teeth", "Concave to allow greater bulk of amalgam", "Parallel to the long axis of the teeth and should follow the buccolingual contour of the tooth" ]
D
medmcqa_6565
medmcqa
A 85 yr old female developed multiple blisters on trunk and thighs. Nikolsky&;s sign is negative. The lesions came on and off. The most probable diagnosis is
[ "Lichen planus", "Pemphigus vulgaris", "Bullous pemphigoid", "Lepra reaction" ]
C
Bullous Pemphigoid (BP) * Most common autoimmune bullous disorder with chronic nature; typically in patients over 60 Autoantigen: - * BPAG2 (collagen XVII): 180 kDa (NC16A domain), transmembrane hemidesmosomal protein * BPAG1: 230 kDa, cytoplasmic plaque protein Clinical features:- Often presents with initial uicarial ...
aquarat_24307
aquarat
If Bill can buy 3 pairs of jeans and 2 shirts for $69 or 2 pairs of jeans and 3 shirts for $71, how much does one shirt cost?
[ "A)$10", "B)$12", "C)$13.20", "D)$15" ]
D
3J + 2S = 69 2J + 3S = 71 ---------------- 5J + 5S = 140 ----(divide by 5)---> J + S = 28 3J + 2S = J + 2(J + S) = J + 56 = 69 ---> J = 13 3*13 + 2S = 69 39 + 2S = 69 2S = 30 S = 15 Answer: D
aquarat_48701
aquarat
Set G consists of all even integers between 2 and 100, inclusive. Set X is derived by reducing each term in set G by 50, set Y is derived by multiplying each term in set G by 1.5, and set Z is derived by dividing each term in set G by -4. Which of the following represents the ranking of the three sets in descending ord...
[ "A) X, Y, Z", "B) X, Z, Y", "C) Y, Z, X", "D) Y, X, Z" ]
D
Set G - {2, 4, ..., 100}; Set X - {-48, -46, ..., 50}; Set Y - {3, 6, ..., 150}; Set Z - {-2/4, -4/4, ..., -100/4} = {-1/2, -1, -3/2, ..., -25}. If we add or subtract a constant to each term in a set the SD will not change, so sets G and X will have the same SD. If we increase or decrease each term in a set by the same...
arc_challenge_359
arc_challenge
When a car engine is started, gasoline is mixed with air and burned. Heat, sound, and chemical products are released. As the engine operates, which of these remains constant?
[ "the masses of compounds found in the engine", "the amount of heat in the engine", "the total mass of gasoline", "the total amount of energy" ]
D
medmcqa_4482
medmcqa
Disruption or disorganization of biological rhythm is observed in
[ "Schizophrenia", "Anxiety", "Depression", "Mania" ]
C
Disturbance of biological functions is common with depression, with insomnia (or sometimes increased sleep), loss of appetite and weight (or sometimes hyperphagia and weight gain), and loss of sexual drive. When the disturbance is severe, it is called as melancholia ( somatic syndrome) The somatic syndrome in depressio...
aquarat_2232
aquarat
If the arithmetic mean of p and q is 10 and the arithmetic mean of q and r is 27, what is the value of r-p?
[ "A)20", "B)10", "C)34", "D)40" ]
C
Arithmetic mean expression for p and q: (p+q)/2=10 ; p+q=20 ----eq1 Arithmetic mean expression for q and r: (q+r)/2=20 ; q+r=54 ----eq2 Subtracting eq1 from eq2 we get: r-p=34 Hence, the correct answer is C
pubmedqa_408
pubmedqa
Global Longitudinal Pathway: has medical education curriculum influenced medical students' skills and attitudes toward culturally diverse populations?
[ "yes", "no", "maybe" ]
A
qasc_6829
qasc
what do feathers help fly?
[ "stay warm", "animals", "eagles", "humans" ]
C
openbookqa_617
openbookqa
Humans contribute to environmental pollution
[ "by purchasing products made from recycled products", "by switching to energy efficient appliances", "by leaving behind refuse on public beaches", "by frequently recycling paper and plastic" ]
C