id
string
dataset
string
question
string
options
list
answer
string
explanation
string
aquarat_25701
aquarat
John draws a card from a pack of cards. What is the probability that the card drawn is a card of black suit?
[ "A)3/78", "B)4/8", "C)6/5", "D)1/2" ]
D
Explanation : Total number of cards, n(S) = 52 Total number of black cards, n(E) = 26 P(E) =n(E)/n(S)=26/52=1/2 Answer: D
aquarat_42358
aquarat
An amount of Rs.1560 was divided among A, B and C, in the ratio 1/2 : 1/3 : 1/4. Find the share of C?
[ "A)Rs.390", "B)Rs.368", "C)Rs.380", "D)Rs.360" ]
D
Let the shares of A, B and C be a, b and c respectively. a : b : c = 1/2 : 1/3 : 1/4 Let us express each term with a common denominator which is the last number divisible by the denominators of each term i.e., 12. a : b : c = 6/12 : 4/12 : 3/12 = 6 : 4 : 3. Share of C = 3/13 * 1560 = Rs. 360. Answer: D
qasc_2595
qasc
What are invertebrates such as the common snail?
[ "abalone", "barnacles", "fish", "lizards" ]
A
medmcqa_3136
medmcqa
Ceain sign of onset of labor: March 2013
[ "Labor pains", "Show", "Dilatation of internal os", "Formation of bag of waters" ]
D
Ans. D i.e. Formation of bag of waters The first symptom to appear is intermittent painful uterine contractions followed by expulsion of blood stained mucus (show) per vaginum But formation of 'bag of membranes' is almost a ceain sign of onset of labor
medmcqa_4604
medmcqa
Nitric oxide is synthesized from which amino acid:
[ "Arginine", "Serine", "Threonine", "Lysine" ]
A
NO is also called as Endothelium Derived Relaxing Factor (EDRF). NO (nitric oxide) is synthesized from arginine by enzyme NOS (Nitric oxide synthase) in the endothelial cells. It requires 5 cofactors:- NADPH FAD FMN Heme and Tetrahydrobiopterin (BH4). The vasodilator - nitroglycerin also enters smooth muscle cells, whe...
aquarat_1289
aquarat
How many 3-letter words with or without meaning, can be formed out of the letters of the word, 'LOGAR', if repetition of letters is not allowed?
[ "A)690", "B)60", "C)740", "D)760" ]
B
The word 'LOGAR' has 5 different letters. Hence, the number of 3-letter words(with or without meaning) formed by using these letters = 5P3 = 5 × 4 × 3 = 60 Option B
mmlu_aux_1946
mmlu_auxiliary
Two brightly colored butterflies have just flown by. They seems to be exactly alike, but actually one is a little larger than the other. The larger insect has a wingspread of up to four inches. The smaller one has a wingspread of less than three inches and also a black line on its back wings. At first sight, it is ha...
[ "There are few look-alikes among insects.", "The monarch butterfly and the viceroy are not close relatives.", "There are only a few species of butterflies in the wild.", "A monarch butterfly rules the world of butterflies." ]
B
null
openbookqa_1078
openbookqa
what celestial body is after the 8th one in this solar system?
[ "earth", "venus", "pluto", "jupiter" ]
C
medmcqa_5122
medmcqa
Culture media for transport of stools in suspected case of shigellosis -
[ "Deoxycholate medium", "Blood agar", "Nutrient broth", "Buffered glycerol saline" ]
D
Ans. is 'd' i.e., Buffered glycorol salineOrganismTransport mediaStreptococcus pyogenesPike's mediumNeisseriaStuart's medium, Amies mediumFor stool specimenBuffered glycerol saline, Carly-Blair, Stuart mediumSalmonella, ShigellaSach's buffered glycerol salineV choleraeVR medium, Cary-Blair medium, Autoclaved sea waterB...
aquarat_15759
aquarat
The average of first 17 even numbers is?
[ "A)10", "B)11", "C)18", "D)20" ]
C
Sum of 17 even numbers = 17 * 18 = 306 Average = 306/17 = 18 ANSWER:C
medmcqa_9170
medmcqa
Drug of choice for Hairy cell leukemia
[ "Methotrexate", "Gemcitabine", "Cladribine", "Decitabine" ]
C
Cladribine is a purine analogue, which is  DOC for Hairy cell leukemia.
aquarat_49010
aquarat
For how many integers k is k^3 = 3^k ?
[ "A)None", "B)One", "C)Two", "D)Three" ]
B
3^3=3^3 For k= 3 the above equality holds true. B is the answer
medmcqa_9190
medmcqa
Which is the first study on water fluoridation?
[ "Grand rapids (Michigan) & Muskegon", "Newberg & Kingston", "Brantferd & Sarnia", "Evanston & Park" ]
A
medmcqa_3689
medmcqa
Cerebrosides consist mostly of this
[ "Glucose", "Galactose", "Fructose", "Arabinose" ]
B
Both glucocerebrosides and galacto cerebrosides are present however galactocerebrosides are most commonly seen on neural cells and are abundant
medmcqa_975
medmcqa
Pain relief in chronic pancreatitis can be obtained by destruction of
[ "Celiac ganglia", "Vagus nerve", "Anterolateral column of spinal cord", "None of the above" ]
A
Chronic pancreatitis Pain from the pancreas is carried in sympathetic fibres that traverse the Celiac ganglion, reach the sympathetic chain through the splanchnic nerves, and then ascend to the coex Celiac plexus nerve blocks performed either percutaneously or endoscopically have been employed to abolish this pain with...
mmlu_aux_3980
mmlu_auxiliary
Monitoring global warming usually requires a Ph. D. and enough maths to glaze your eyes. But that Francisco Lopez and Ruby Nostrant track what climate change is doing to five different plants in Tucson, Arizona and they are only in the second grade. "We are collecting data because the weather is changing and the plants...
[ "changes in animals caused by global warming happen earlier than those in plants", "the biological timing of earth is changing because of climate change", "the effect of climate change in Tucson, Arizona can be hardly noticed", "all the plants in Tucson, Arizona are blooming earlier because of climate change"...
B
null
aquarat_34631
aquarat
When a student weighing 45 kgs left a class, the average weight of the remaining 59 students increased by 200g. What is the average weight of the remaining 59 students
[ "A)55", "B)56", "C)57", "D)58" ]
C
Explanation: Let the average weight of the 59 students be A. So the total weight of the 59 of them will be 59*A. The questions states that when the weight of this student who left is added, the total weight of the class = 59A + 45 When this student is also included, the average weight decreases by 0.2 kgs 59A+45/60=A−0...
qasc_2507
qasc
what often infects bacteria?
[ "major threat to health", "h2o", "simplest known organisms", "Food poisoning" ]
C
medmcqa_4387
medmcqa
The persistent suppression of bacterial growth that may occur after limited exposure to some antimicrobial drug is called :
[ "Time dependent killing", "Post antibiotic effect", "Concentration dependent killing", "Sequential blockade" ]
B
Time dependent killing kinetics is shown by aminoglycosides. Here, the killing activity depends upon the length of time, plasma concentration is above MIC. Concentration dependent killing is shown by β lactam drugs. Here, killing activity depends upon the ratio of plasma concentration to MIC. Post-antibiotic effect is ...
qasc_633
qasc
What are burned to produce electricity?
[ "fossil fuels", "organic molecules", "kinetic energy", "icicles" ]
A
mmlu_aux_3615
mmlu_auxiliary
If a diver surfaces too quickly, he may suffer the bends. Nitrogen dissolved in his blood is suddenly liberated by the reduction of pressure. The consequence, if the bubbles accumulate in a joint, is sharp pain and a bent body -- thus the name. If the bubbles form in his lungs or brain, the consequence can be dea...
[ "how often ichthyosaurs caught the bends", "how ichthyosaurs adapted to decompression", "why ichthyosaurs bent their bodies", "when ichthyosaurs broke their bones" ]
B
null
aquarat_7080
aquarat
What percent is 7 gm of 1 kg?
[ "A)0.7 %", "B)0.5 %", "C)2.5 %", "D)3.5 %" ]
A
1 kg = 1000 gm 7/1000 × 100 = 700/1000 =7/10 = 0.7 % A)
medmcqa_5123
medmcqa
All are true about SLE in pregnancy except?
[ "Increased anti Ro and La implies low risk for congenital hea block", "Steroids can be continued in pregnancy", "Recurrent aboions", "Disease may worsen during pregnancy" ]
A
Increased anti Ro and La implies high risk of congenital hea block. Anti Ro antibody can be transmitted transplacentally and can lead to complete hea block leading to neonatal lupus. Steroids can be given in pregnancy as they fall in category A with no evidence of teratogenicity. But a placental enzyme 11 dehydrogenase...
qasc_6212
qasc
The basic functioning unit of life all share the same what?
[ "structure", "four limbs", "organ", "Chlorophyll" ]
A
aquarat_34785
aquarat
A merchant has 1000kg of sugar, part of which he sells at 8% profit and the rest at 18% profit. He gains 14% on the whole. The quantity sold at 18% profit is
[ "A)348", "B)600", "C)277", "D)188" ]
B
Rule of Allegation Answer with Explanation: Profit on I kind (%) (c) Profit of II kind (d) 8 18 Mean Price (m) d-m (18-14) = 4 14 m-c (14-8) = 6 Ratio of Profits on I and II kind = 4:6 = 2:3 Step (ii) Quantity sold at 18% profit = (3/5 x 1000) kg = 600 kg. Answer:B
openbookqa_2587
openbookqa
If a thing is residing in a hollowed out part of a tree, then it is probably
[ "a whale", "an antelope", "a person", "a scavenger" ]
D
openbookqa_3029
openbookqa
What is made of minerals?
[ "Stonehenge", "car engines", "alcohol", "electricity" ]
A
openbookqa_2250
openbookqa
if a student asked a teacher about the size of a certain item, what could be an indicator?
[ "the volume of the item", "the color of the item", "the luster of the item", "the depth of the item" ]
A
aquarat_16111
aquarat
In Township K each property is taxed at 10 percent of its assessed value. If the assessed value of a property in Township K is increased from $20,000 to $24,000, by how much will the property tax increase?
[ "A) $32", "B) $50", "C) $320", "D) $400" ]
D
Increase in house value = $24,000 - $20,000 =$4000 So, tax increase = 10% of$4000= $400 Answer: D
aquarat_44131
aquarat
A work crew of 5 Men takes 6 days to complete one-half of a job. If 7 men are then added to the crew and the men continue to work at the same rate, how many days will it take the enlarged crew to do the rest of the job?
[ "A)2 1/2", "B)3", "C)3 1/3", "D)4" ]
A
Suppose 1 man can do work in X days.. so 5 men will do in .. 5/X=1/6*1/2 as half job is done X=60 now 7 more are added then 12/60=1/2*1/d for remaining half job d=2 1/2 Number of days A
qasc_7281
qasc
a light bulb is used for seeing when
[ "afternoon", "day", "dead", "night" ]
D
medmcqa_9926
medmcqa
Following clostridia are saccharolytic except
[ "Welchii", "Sporogenes", "Septicum", "Oedematiens" ]
B
When grown in Robeson cooked meat broth, saccharolytic species turn meat pink and proteolytic species produce black and produce foul and pervasive odours. Clostridium welchii, Clostridium septicum and Clostridium oedematiens are predominantly saccharolytic. Clostridium sporogenes is predominantly proteolytic. Reference...
pubmedqa_169
pubmedqa
Storage of vaccines in the community: weak link in the cold chain?
[ "yes", "no", "maybe" ]
C
medmcqa_3499
medmcqa
Which of the following is the most common cause of late neurological deterioration in a case of cerebro- vascular accident -
[ "Rebleeding", "Vasospasm", "Embolism", "Hydrocephalus" ]
B
aquarat_37579
aquarat
A bank pays interest to its customers on the last day of the year. The interest paid to a customer is calculated as 10% of the average monthly balance maintained by the customer. John is a customer at the bank. On the last day, when the interest was accumulated into his account, his bank balance doubled to $1710. What ...
[ "A)2840", "B)5680", "C)6840", "D)8550" ]
D
Soln:- Bank balance is doubled with accumulation of interest to 1710.. this means INTEREST is 1710/2=855 for entire year.. although since interest is 10% of avg MONthly balance, it becomes 8550.. ANSWER:D
aquarat_15750
aquarat
A dog takes 5 leaps for every 8 leaps of a hare. If one leap of the dog is equal to 5 leaps of the hare, the ratio of the speed of the dog to that of the hare is :
[ "A)25 : 10", "B)25 : 8", "C)25 : 9", "D)8 : 25" ]
B
Explanation: Dog : Hare = (5*5) leaps of hare : 8 leaps of hare = 25 : 8 Answer: B
medmcqa_3603
medmcqa
In a patient with compensated liver cirrhosis presented with history of variceal bleed. The treatment of choice in this patient is -
[ "Propranolol", "Liver transplantation", "TIPS (Transjugular intrahepatic poal shunt)", "Endoscopic sclerotherapy" ]
D
When a cirrhotic patient presents with upper GI bleed, the single most impoant diagnostic as well as therapeutic procedure to be performed is endoscopy (although after intravenous fluid resuscitation and correction of coagulation abnormalities) If varices are found they are treated by either Endoscopic variceal ligatio...
pubmedqa_144
pubmedqa
May student examiners be reasonable substitute examiners for faculty in an undergraduate OSCE on medical emergencies?
[ "yes", "no", "maybe" ]
A
qasc_1281
qasc
Why do ducks move faster through water?
[ "Due to their coloring", "Due to their feet", "To keep their body heat.", "Due to their diet" ]
B
medmcqa_8830
medmcqa
Maximum coverage to distribute forces over a wide area
[ "Snows shoe effect", "Bezold-Brucke effect", "Realeff effect", "Spectral curve" ]
A
qasc_303
qasc
What can viruses be seen with?
[ "eye", "A computer", "magnifying glass", "microscope" ]
D
medmcqa_5565
medmcqa
Laryngeal mask is contraindicated in all except-
[ "Oral tumor", "Ocular surgeries", "Massive maxillofac ial injury", "High risk of aspiration" ]
B
Ans. is 'b' i.e., Ocular surgeries Indications of LMA1. As an alternative to intubation wrhere difficult intubation is anticipated (difficult airway).2 To facilitate endo-tracheal intubation in a patient with difficult airw ays.Situations involving a difficult mask fit.Securing airw ay (as cardiopulmonary resuscitation...
aquarat_13366
aquarat
A telephone number contains 10 digit, including a 3-digit area code. Bob remembers the area code and the next 5 digits of the number. He also remembers that the remaining digits are not 1, 6, or 7. If Bob tries to find the number by guessing the remaining digits at random, the probability that he will be able to find t...
[ "A)1/7", "B)1/14", "C)1/28", "D)2/49" ]
D
There are 7*7 = 49 possibilities. Bob has 2 chances so the probability is 2/49. The answer is D.
medmcqa_1219
medmcqa
Birbeck’s granules in the cytoplasm are seen in:
[ "Langerhans cells", "Mast cells", "Myelocytes", "Thrombocytes" ]
A
Birbeck granules are rod Shaped/Tennis-racket shaped cytoplasmic organelles with a central linear density and a striated appearance. They are diagnostic microscopic feature in Langerhans cell histiocytosis (Histiocytosis X)
aquarat_15224
aquarat
Three carpenters can individually complete a particular task in 3, 4, 5, and 7 hours, respectively. What is the maximum fraction of the task that can be completed in forty-five minutes if two of the carpenters work together at their respective rates ?
[ "A)11/15", "B)3/5", "C)11/30", "D)47/90" ]
D
Farmer A, B, C, and D A's rate: 1/3 job/hour B's rate: 1/4 job/hour C's rate: 1/5 job/hour D's rate: 1/7 job/hour By intuition we know that the three fastest farmers are A B and C. As such (1/3 + 1/4 + 1/5)*(2/3) = ? 47/90 or (D)
openbookqa_707
openbookqa
A bear's blubber
[ "enables him to keep his body cozy", "enables him to eat more", "is useless and a burden to his health", "makes it more difficult for the bear to function" ]
A
medmcqa_7394
medmcqa
All of the following statements are FALSE regarding multiple sclerosis except ?
[ "Involves peripheral nervous system", "Condition is almost always malignant and is resolved spontaneously", "More common in males", "Autoimmune disease mainly targetting MBP" ]
D
MS is a autoimmune disease mainly targetting MBP( Myelin basic protein) Multiple Sclerosis Hallmark - Demyelination occur secondary to damage myelin component (autoimmunity) More common in females than male. In all demyelinating disorder peripheral nervous system is spared. Condition is almost always benign and is reso...
mmlu_aux_2867
mmlu_auxiliary
BEIJINCG, Feb.28, 2008 (Xinhua) -- China plans to carry out its first spacewalk in second half of the year, an official of the nation's manned space program said here on Thursday. The Shenzhou VII spacecraft will be launched from the Jiuquan Satellite Launch Center in the northwestern province of Gansu late in the year...
[ "Important technique about spacewalk remain uncertain in spite of researches.", "spacewalk is the only factor that leads to Shenzhou VII mission's complexity.", "Due to Shenzhou VIPs inability, it's uncertain how to broadcast the spacewalk.", "Our.country is getting along quite well with developing spaceship ...
D
null
pubmedqa_627
pubmedqa
Does the sequence of clamp application during open abdominal aortic aneurysm surgery influence distal embolisation?
[ "yes", "no", "maybe" ]
B
medmcqa_3182
medmcqa
Skin surface elevation caused by hyperplasia and projections of the epidermis form an undulating surface under microscopic examination. What is this known as?
[ "Saw toothing", "Papillomatosis", "Villi", "Parakeratosis" ]
B
Papillomatosis of skin Skin surface elevation caused by hyperplasia and enlargement of contiguous dermal papillae. Papillary projections of the epidermis form an undulating surface under microscopic examination.
mmlu_aux_2157
mmlu_auxiliary
Plants, like animals, are subject to diseases of various kinds.It has been estimated that some 30,000 different diseases attack our economic plants; forty are known to attack corn, and about as many attack wheat.The results of unchecked plant disease are all too obvious in countries which have marginal food supplies.Th...
[ "infect people", "be prevented by inoculation", "be prevented by killing insects", "be prevented by improving the growing conditions" ]
B
null
aquarat_17958
aquarat
Bill downloads the movieRevenge of the Avengersto his computer in 2.5 hours, using a download manager that downloads from 3 sources marked A, B and C. Each source provides download at a constant rate, but the rates of different sources are not necessarily identical. If the movie was downloaded from sources A and C alon...
[ "A)6 hours and 40 minutes", "B)15 minutes", "C)20 minutes", "D)10 minutes" ]
C
Let the movie size be 400 u. Given,A+C=4 hrs. A+C=100 u/hr And A+B+C=2.5 hrs or 400/2.5=160 u/hr B alone=160-100=60 u/hr Trailer=20 times smaller or400/20=20 u B will take 20/60 hrs or 20 minutes. Ans C
aquarat_8799
aquarat
What least value must be assigned to * so that the number 197*5462 is divisible by 9
[ "A)0", "B)2", "C)4", "D)9" ]
B
Let the missing digit be x. Sum of digits = (1 + 9 + 7 + x + 5 + 4 + 6 +»2) = (34 + x). For (34 + x) to be divisible by 9, x must be replaced by 2 . Hence, the digit in place of * must be 2. ANSWER B 2
medmcqa_6085
medmcqa
Puscher retinopathy is seen in patients with -
[ "Complication of chronic pancreatitis", "Occlusion of anterior retinal aery", "Head trauma", "Diabetes mellitus" ]
C
Putscher's retinopathy is a disease where pa of the eye (retina) is damaged. Usually associated with severe head injuries, it may also occur with other types of trauma, such as long bone fractures, or with several non-traumatic systemic diseases. However, the exact cause of the disease is not well understood. There are...
medmcqa_3954
medmcqa
Lord's and Jaboulay's operation is done for
[ "Rectal prolapse", "Fistula in ano", "Inguinal hernia", "Hydrocele" ]
D
These operations are done for hydrocele .Lord's operation or plication is suitable when the sac is small, thin walled and contains clear fluid. Here tunica is bunched into a 'ruff' at its attachment to the testis by using a series of multiple interrupted chromic catgut sutures to plicate the redundant tunica vaginalis,...
medmcqa_7150
medmcqa
Trigeminal nerve has how many nucleus?
[ "2", "3", "4", "5" ]
C
Ans. C.4Trigeminal nerve has four nuclei - 3 sensory and 1 motor nucleus.The sensory nucleus is divided into three parts, from rostral to caudal (top to bottom):a. The mesencephalic nucleusb. The chief sensory nucleus (or "main sensory nucleus" or "principal nucleus")c. The spinal nucleus
aquarat_48353
aquarat
If the denominator of a fraction is increased by 4, then the fraction becomes 5/8. If the numerator is 11 less than the denominator, find the numerator.
[ "A)25", "B)20", "C)30", "D)15" ]
A
iniatial fraction=x/y; after increasing deno..by 4=> x/(y+4)=5/8; given x = y - 11; then (y-11)/(y+4)=5/8=>y=36; x = 36-11 = 25 ANSWER:A
openbookqa_711
openbookqa
Some lizards can live in
[ "environments lacking oxygen", "moisture deficient environments", "zero gravity environments", "food barren environments" ]
B
aquarat_21135
aquarat
The length of a rectangular garden is three times its width. If the area of the rectangular garden is 507 square meters, then what is the width of the rectangular garden?
[ "A)10", "B)11", "C)12", "D)13" ]
D
Let x be the width of the garden. 3x^2 = 507 x^2 = 169 x = 13 The answer is D.
aquarat_2810
aquarat
In 1986 the book value of a certain car was 2/3 original price, and in 1988 its book value was 1/2 the original purchase price. By what percent did the book value for this car decrease from 1986 to 1988?
[ "A)16 2/3%", "B)25%", "C)33 1/3", "D)50%" ]
B
In 1986- 200 In 1988- 150 Decrease of 50 over 200 between 86 and 88 So 25% ANSWER:B
qasc_4038
qasc
objects will sink between boundaries with different what due to gravity
[ "Energy.", "surfaces", "densities", "forces" ]
C
medmcqa_6946
medmcqa
Apical lung tumor causes
[ "C/L horner syndrome", "Post ganglionic fibres involved", "1deg neuron injury", "Loss of sweating on same side of face" ]
D
Apical lung cancer/ Pancoast tumor causes - 2deg neuron injury (Preganglionic sympathetic fibres) I/L horner syndrome (Cervical sympathetic chain and ganglion involved) Loss of sweating on same side of face 1deg sympathetic neuron injury occurs in Wallenberg syndrome 2deg sympathetic neuron (preganglionic fibers) injur...
medmcqa_3082
medmcqa
Which of the following is the most common cataract in the newborn -
[ "Zonular Cataract", "Morgagnian Cataract", "Ant. polar Cataract", "Post, polar Cataract" ]
A
Answer: A The commonest cataract in childhood is Blue Dot cataract which presents without visual obstruction. And the commonest congenital cataract which presents with a visual defect is zonular cataract.
arc_easy_111
arc_easy
Roger visited his grandfather who lives on a farm. While he was there, he helped his grandfather move hay out of the barn. As Roger worked in the barn he began sneezing. Which system of the body most likely caused Roger to sneeze?
[ "circulatory", "excretory", "digestive", "immune" ]
D
medmcqa_3215
medmcqa
Fencing attitude of the dead bodies is caused by
[ "Coagulation of proteins", "Emulsification of fat", "Exposure to excess cold", "Electric shock" ]
A
PUGILISTIC ATTITUDE OR BOXING OR FENCING OR DEFENCE ATTITUDE: The posture of the body which has been exposed to great heat is often characteristic. POSITION: the legs are flexed at hips and knees the arms are flexed at the elbow and held in front of the body head slightly extended all fingers are hooked like claws cont...
mmlu_aux_2153
mmlu_auxiliary
You may have heard the popular saying, "there are always more fish in the sea". But as many new studies show, fish populations are changing, and not necessarily for the better. Consider the case of big, predatory fish. These giants, like sharks and cod , eat other smaller fish. Big fish are an important part of the ...
[ "It may soon be difficult to find large predator fish.", "It will cost much more in the future to catch big fish.", "Smaller fish still give the fishing industry a bright future.", "It is tough for researchers to forecast the future of fish." ]
A
null
medmcqa_9928
medmcqa
Which of the following is a negative symptom of Schizophrenia?
[ "Ambivalence", "Automatic obedience", "Anhedonia", "Delusion" ]
C
Anhedonia- lack of pleasure in a previously pleasurable activity Negative symptoms in Schizophrenia are: Apathy- Lack of concern Avolition- Loss of drive for goal directed activities Asociality- Lack of social interaction Affective flattening or blunting Alogia- Lack of speech output Anhedonia- Lack of pleasure in prev...
medmcqa_89
medmcqa
Test for diagnosis of pyogenic meningitis is?
[ "Widal", "CSF PCR", "CSF examination", "PET scan" ]
C
ANSWER: (C) CSF examinationREF: Harrison 17th ed chapter 376The diagnosis of bacterial meningitis is made by examination of the CSF. The need to obtain neuroimaging studies (CT or MRI) prior to LP requires clinical judgment.A broad-range PCR can detect small numbers of viable and nonviable organisms in CSF and is expec...
qasc_2429
qasc
What will rocks all do?
[ "Bend", "Erode", "Melt", "die" ]
B
aquarat_38969
aquarat
A boat can travel 1.5 times the distance down the stream than up the stream in the same time. If the speed of the current is 2 KMPH, Find the speed of the boat in still water
[ "A)5", "B)10", "C)15", "D)20" ]
B
Simple question, messy language. Lets say boat's speed is B and current's speed is C. Upstream speed : B - C Downstream speed : B + C Distance will be the same both times. lets say D. given : time it takes upstream = 1.5 times time it takes downstream D/(B + C) = 1.5 * [D/(B - C)] Solving B = 5 C given : C is 2 KMPH So...
arc_easy_669
arc_easy
Which of the following causes a ship’s iron anchor to sink to the ocean floor when it is released overboard?
[ "chemical forces", "gravity", "magnetism", "nuclear forces" ]
B
medmcqa_58
medmcqa
According to recent SC judgment, doctor can be charged for medical negligence under 304-A, only if: AIIMS 12
[ "He is from corporate hospital", "Negligence is from inadveent error", "Simple negligence", "Gross negligence" ]
D
Ans. Gross negligence
medmcqa_4634
medmcqa
Features of Ankylosing spondylitis (AS) include all of the following EXCEPT:
[ "Fibrous ankylosis is pa of pathogenesis of AS", "Bony ankylosis is pa of pathogenesis of AS", "Roos test is used to test for Sacroilitis", "Marginal syndesmophytes are seen on X-ray" ]
C
FEATURES of ankylosing spondilitis- enthesitis and this ultimately leads to joint ankylosis Both bony as well as fibrous ankylosis occurs in AS Marginal syndesmophytes are seen on X-ray Roos test is used for thoracic outlet syndrome.
mmlu_aux_8800
mmlu_auxiliary
If water gets _____, it may cause a chemical reaction
[ "hotter", "empty", "air", "afraid" ]
A
null
mmlu_aux_4913
mmlu_auxiliary
In nature, you may see many insects and animals of different colors. Have you ever wondered why? Locusts are super delicious food for birds,but it is not always an easy job for birds to catch them.It is neither because locusts are good jumpers or runners nor because they are smarter than their enemies. The reason is t...
[ "do not have bright colors", "change their colors with the soil", "do not live in a dark and wet environment", "Eat colorful insects like butterflies and bees" ]
A
null
mmlu_aux_5260
mmlu_auxiliary
Frogs are animals that can live both in water and on land.There are more than 5.000 kinds of frogs on the earth.The earliest known frogs lived about 190 million years ago and the frogs today still look the same.Here are some fun things that you might not know about frogs.Enjoy! The Biggest and the Smallest Frogs Some f...
[ "The Goliath Frog", "The Common Wood Frog", "The Poison Frog", "The Austrailan Rocket Frog" ]
D
null
aquarat_20483
aquarat
15 + sqrt(- 6 + 8×5÷4) =?
[ "A)31", "B)32", "C)33", "D)34" ]
A
According to order of operations, inner brackets first where 8x5÷4 is first calculated since it has a multiplication and a division. 8x5÷4 = 40÷4 = 10 Hence 15 + sqrt(- 6 + 8×5÷4) = 15+ sqrt(- 6 + 10) = 15 + sqrt(4) = 15 + 16 = 31 correct answer A)31
aquarat_5144
aquarat
A trader marks his product 40% above its cost. He sells the product on credit and allows 10% trade discount. In order to ensure prompt payment, he further gives 10% discount on the reduced price. If he makes a profit of Rs. 67 from the transaction, then the cost price of the product is
[ "A)Rs. 300", "B)Rs. 400", "C)Rs. 325", "D)Rs. 500" ]
D
M.P = C.P *1.4 Profit = S.P - C.P = C.P ( 1.4 ) ( 0.9 ) ( 0.9 ) – C.P = 67 C.P ( 1.134 – 1 ) = 67, C.P = 500 ANSWER:D
medmcqa_576
medmcqa
Cross examination of the prosecution witness is done by-
[ "Public prosecutor", "Defence counsel", "Judge", "None" ]
B
In government prosecutions, cross examination is done by defense lawyer.
openbookqa_433
openbookqa
Gills allow
[ "flounder to intake oxygen", "giraffes to breathe underwater", "respiration for seals and herons", "respiration for sea going birds" ]
A
medmcqa_7806
medmcqa
Fallen fragment sign is a feature of ?
[ "Simple bone cyst", "Aneurysmal bone cyst", "Giant cell tumor", "Fibrous dysplasia" ]
A
Ans. is 'a' i.e., Simple bone Simple bone cyst (Solitery/Unicameral bone cyst) Simple bone cyst occurs before the age of 20 years The most common site is proximal humerus (50%)followed by Proximal femur (25-30%). Radiological features are : - Concentric Metaphyseal Expansile lucent (lytic) Well defined border with scle...
medmcqa_6079
medmcqa
Influenza virus has?
[ "5 segments of SS RNA", "8 segments of ds DNA", "8 segments of ds DNA", "8 segments of ssRNA" ]
D
Influenza virus jad ss RNA , it is segmented& exists ad right piece REF:ANATHANARAYANAN MICROBIOLOGY NINTH EDITION PAGE.497
qasc_494
qasc
Pesticides do what to plants by killing predators?
[ "kill them", "decrease stamina", "protect them", "massive damage" ]
C
medmcqa_6111
medmcqa
Stereotactic radiosurgery is used in which of the following conditions?
[ "Metastatic brain tumors", "Aeriovenous malformations", "Trigeminal neuralgia", "All of the above" ]
D
STEREOTACTIC RADIOSURGERY - SRS is a non-surgical radiation therapy used to treat functional abnormalities & small tumors of brain - Deliver precisely-targeted concentrated dose of radiation in fewer high-dose treatments to a defined volume in the brain Common uses of Stereotactic Radiosurgery (BAT) - Brain tumor(Benig...
medmcqa_1616
medmcqa
Spinal anaesthesia in an adult is given at this level:
[ "T12-L1", "L1-L2", "L3-L4", "L5-S1" ]
C
Spinal cord ends at lower border of L1 in adults .Hence spinal anesthesia can be given at levels below L1 . L2-L3 or L4-L5 are considered best in adults
aquarat_28707
aquarat
If x and y are different integers and x^2 = xy, which of the following must be true ? I. x = 1 II. y = 0 III. x = 0
[ "A)I only", "B)II only", "C)III only", "D)I and III only" ]
C
Answer choice A is correct. The question gives you x^2=xy you can simplify that as x^2-xy=0 x(x-y)=0 the solution will be either x=0 or x=y, since x and y are different integers x cannot equal y, that leaves you x=0 to be the only answer. Answer C
aquarat_44413
aquarat
if the ratio of simple interest on certain sum with same rate is 4:3.what is the ratio of time.
[ "A)3:5", "B)6:5", "C)5:4", "D)4:3" ]
D
let ratio constant be x. 4x/3x=(p*r*t1/100)/(p*r*t2/100) t1/t2=4:3. answer D
aquarat_32685
aquarat
A person covers a distance in 15 minutes. If runs at a speed of 12 km per hour on an average. Find the speed at which he must run to reduce the time of journey to 5 minutes.
[ "A)18 m/s", "B)4 m/s", "C)15 m/s", "D)10 m/s" ]
D
Explanation: T = 15 m Spees = 12 kmph = 12 x 5/18 = 10/3 m/s Let new speed be "x" 15 x (10/3) = 5x x = 10 m/s Answer: Option D
openbookqa_1696
openbookqa
While studying the rings in a fossilized tree trunk, a scientist notices a group of rings that are closer together than the other. This means that
[ "the trees had more sunlight for those years", "the trees were dead during those years", "during those years, there was less precipitation", "the trees had extra water those years" ]
C
medmcqa_4517
medmcqa
Johne's bacillus is:
[ "Corynebacterium pseudotuberculosis", "M. Paratuberculosis", "H. Acgipticus", "Micrococcus" ]
B
M. Paratuberculosis
arc_challenge_685
arc_challenge
A plant gets the energy it needs from the Sun. The plant uses about ten percent of the energy to carry on its life functions. The plant transfers approximately another ten percent of the energy to the consumers in a food chain. What happens to most of the remaining energy?
[ "It is reabsorbed by the Sun.", "It is recycled by decomposers.", "It is stored in soil for later use.", "It is released into the ecosystem as heat." ]
D
medmcqa_5165
medmcqa
True statement about streptococcus faecalis ?
[ "Growns in 6.5% Nacl solution", "Are lactose fermenter", "Easily destroyed at 60 C for 30 minutes", "Classified on the basis of teichoic acid of cell wall" ]
A
Ans. is 'a' i.e., Growns in 6.5% Nacl solution
aquarat_29782
aquarat
The MegaTek Corporation is displaying its distribution of employees by department in a circle graph. The size of each sector of the graph representing a department is proportional to the percentage of total employees in that department. If the section of the circle graph representing the manufacturing department takes ...
[ "A)20%", "B)25%", "C)30%", "D)35%" ]
D
ANSWER: D 126° divided by 360° equals 0.35, therefore the sector is equal to 35% of the total
qasc_8118
qasc
What unit of measure do cylinder measure volumes of liquid in?
[ "cups", "Fe", "ounces", "mL" ]
D
aquarat_41281
aquarat
Let S1 be a square of side a. Another square S2 is formed by joining the mid-points of the sides of S1. The same process is applied to S2 to form yet another square S3, and so on. If A1, A2, A3 .. be the areas and P1, P2, P3,…….. be the perimeters of S1, S2, S3,..., respectively, then the ratio (P1 + P2 +P3+ ......) / ...
[ "A)2(1+√2)/a", "B)2(2+√2)/a", "C)2(2+√2)/a", "D)2(1+2√2)/a" ]
B
Explanation : side of S1= a, perimeter of S1= 4a, area of S1 = a2 side of S2= a/√2 , perimeter of S2= 2√2a , area of S2 = a2/2 side of S3= a/2 , perimeter of S3= 2a , area of S3= a2/4 So, for P1 + P2 + P3 .... we will have a GP as below 4a + 2√2a + 2a + ..... First term =4a, common ratio = 1/√2, Sum = 4a/( 1-1/√2) = 4√...
aquarat_21755
aquarat
As a treat for her two children, a mother runs to the freezer in which she has three cherry ice pops, three orange ice pops, and four lemon ice pops. She chooses two at random to bring outside to the children, but realizes as she runs out the door that she cannot bring them different flavors without one being jealous o...
[ "A)2/5", "B)3/7", "C)7/12", "D)11/15" ]
D
P(2 cherry) = 3/10 * 2/9 = 6/90 P(2 orange) = 3/10 * 2/9 = 6/90 P(2 lemon) = 4/10 * 3/9 = 12/90 P(2 of the same flavor) = 24/90 P(2 different flavors) = 1 - 24/90 = 66/90 = 11/15 The answer is D.
openbookqa_2547
openbookqa
Sound pulses helps dolphins
[ "satisfy women", "find God", "find nourishment", "find ibexes" ]
C
medmcqa_5642
medmcqa
The commonest clinical pattern of basal cell carcinoma is -
[ "Nodular", "Morpheaform", "Superficial", "Keratotic" ]
A
• Locally invasive carcinoma, arises from the basal layer of the epidermis • MC type of skin cancer • 90% of BCC are seen in the face, above a line from the corner of mouth to lobule of ear. • MC site: Nose >Inner canthus of the eye, also known as Tear cancer. Types of BCC • Nodular: MC type of BCC, characterized by sm...
medmcqa_346
medmcqa
Dispropoionately increased blood urea levels compared to serum creatinine (urea creatinine ratio 20:1) can be seen in the following except -
[ "Prerenal failure", "CCF", "Intrinsic renal failure", "Hypovolemia" ]
C
Intrinsic or intrarenal acute renal failure (ARF) occurs when direct damage to the kidneys causes a sudden loss in kidney function. The most common causes of intrinsic acute renal failure are acute tubular necrosis (ATN), acute glomerulonephritis (AGN), and acute interstitial nephritis (AIN) . Ref Harrison20th edition ...
aquarat_27422
aquarat
If x is an odd integer, which of the following is an odd integer?
[ "A)2x", "B)3x-1", "C)5x+6", "D)x+x^2" ]
C
Plug in an odd integer; in this case 3 (2*3) = 6 Even (3*3)-1 = 8 Even (5*3)+6 = 15 + 6 = 21 Odd 3+3^2 = 3 + 9 = 12 Even (6*3)-6 = 18 - 6 = 12 Even Answer: C