id
string
dataset
string
question
string
options
list
answer
string
explanation
string
arc_easy_1749
arc_easy
Which action illustrates a chemical change?
[ "painting a wood chest", "sawing a wood plank", "burning wood chips", "cutting down a tree" ]
C
aquarat_32727
aquarat
On a game show, a contestant is given three keys, each of which opens exactly one of three identical boxes. The contestant assigns each key to one of the boxes and wins the amount of money contained in any box that is opened by the key assigned to it. The first box contains $1.5, the second $150, and the third $1500. W...
[ "A)1/9", "B)2/3", "C)1/6", "D)1/3" ]
C
Let's call the boxes that contain $1.5, $150, and $1500, respectively, Box A, Box B, Box C. These are opened, respectively, by Key A, Key B, and Key C. We want to know the probability of winning more than $1500. Notice that if the distribution of keys is: Box A = Key B Box B = Key A Box C = Key C then the contestant wi...
mmlu_aux_5008
mmlu_auxiliary
Many people think the dinosaurs were the biggest animals that ever lived. They are wrong. The world's biggest animal is still living and it lives in the ocean . It is the blue whale . Blue whales can be as long as 30 meters and weigh as much as 1,000 kilos. The largest dinosaurs weighed only 500 kilos. The whale is no...
[ "they don't lay eggs", "people have killed them", "they live in the ocean", "there are laws against them" ]
B
null
medmcqa_6101
medmcqa
Nipple confusion means?
[ "Baby fed with a bottle finding it difficult and confusing to suckle at breast", "Baby not able to suckle with bottle", "Baby not able to feed with spoon", "Baby not able to feed with paladin" ]
A
Ans. (a) Baby fed with a bottle finding it difficult and confusing to suckle at breastRef: OP Ghai 8th ed./153* A problem that may beset a bottlefed baby in which it forgets how to nurse on mother' nipple* Breastfeeding requires far more vigorous mouth and tongue motions and greater muscle coordination than bottlefeedi...
qasc_7670
qasc
Shock protection can prevent what to an organism?
[ "harm", "insulation", "rabies", "health" ]
A
medmcqa_3738
medmcqa
True about vertebral artery -a) Enter skull through condylar canal.b) Branch of internal carotid arteryc) Branch of subclavian arteryd) Accompany sympathetic ganglione) Passes through foramen transversarium of cervical vertebrae
[ "abd", "acd", "cde", "ade" ]
C
Vertebral artery enters skull (posterior cranial fossa) through foramen magnum. Vertebral artery is a branch of subclavian artery. It is accompanied by sympathetic peri-arterial plexus, inferior cervical (stellate) sympathetic ganglion and ventral rami of 7th and 8th cervical spinal nerves. Vertebral artery passes thro...
aquarat_7117
aquarat
A real estate agent received a 6% commission on the selling price of a house. If his commission was $8,880, what was the selling price of the house?
[ "A)$448,000", "B)$148,000", "C)$248,000", "D)$548,000" ]
B
6% x = 8,880 : x = selling price of house. x = $148,000 : solve for x. corect answer B
medmcqa_9691
medmcqa
Malignant gastric ulcers are characterized by all except
[ "ulcer extends beyond the gastric wall.", "Mucosal rugae stop far of ulcers", "Eccentric crater", "Margins are raised" ]
A
In malignant ulcers mucosal rugae stop far of the ulcers whereas in benign ulcers mucosal rugae projects outwards front the margins of the ulcer
medmcqa_4042
medmcqa
Integrity of the optic nerve is tested by except :
[ "Tangent Screen examination", "VER", "Perimetry", "ERG" ]
D
Electroretinography (ERG) measures the electrical response of the retina to flashes of light, the flash electroretinogram, or to a reversing checkerboard stimulus, the pattern ERG (PERG).All other test in the option tests the integrity of optic nerve. Perimetry or Tangent Screen examination is used to examine the centr...
medmcqa_6122
medmcqa
Baby 20 year old female complains of sudden onset palpitation and apprehension. She is sweating for last 10 minutes and fears of impending death. Diagnosis is -
[ "Hysteria", "Generalized anxiety disorder", "Cystic fibrosis", "Panic attack" ]
D
The information in this question are: - 1) Sudden (abrupt) onset, 2) Palpitation, 3) Apprehension, 4) Sweating, 5) Sense of impending doom, 6) Symptoms lasts for few minutes (10 minutes). These are the features of panic disorder.
medmcqa_6468
medmcqa
The preferred treatment of verrucous carcinoma of the larynx is -
[ "Pulmonary surgery", "Electron beam therapy", "Total laryngectomy", "Endoscopic removal" ]
D
aquarat_18084
aquarat
Given two fair dice, what is the probability Z that the sum of their numbers is 4 if exactly one die shows a 3?
[ "A)a) 2/11", "B)b) 1/18", "C)c) 3/11", "D)d) 2/39" ]
A
If exactly one die shows 3, there are 10 such combinations (given that we have 2 fair dice). 1:3, 2:3, 4:3, 5:3, 6:3, 3:1, 3:2, 3:4, 3:5, 3:6 The sum of numbers would be 4 for two events: 1:3, 3:1. Z=2/11 would be the answer if 'at least one of the die shows a 3'.A
aquarat_42415
aquarat
Find the smallest number of 6 digits which is exactly divisible by 111?
[ "A)12000", "B)15550", "C)100011", "D)158993" ]
B
Smallest number of 6 digits is 100000. On dividing 100000 by 111, we get 100 as remainder. Number to be added = (111 - 100) - 11. Hence, required number = 100011 Answer B
arc_easy_1745
arc_easy
Sickle cell anemia is a genetic disease caused by an autosomal recessive gene. If each parent carries one sickle cell allele, what are the chances that their child will have sickle cell anemia?
[ "no chance", "one in four", "two in four", "three in four" ]
B
medmcqa_9045
medmcqa
Isthmus of thyroid gland corresponds to which of the following tracheal rings?
[ "3-Jan", "4-Feb", "6-Apr", "8-Jun" ]
B
Isthmus of the thyroid gland lies in front of the second, third and fouh tracheal rings. It is covered in front by skin and fascia, and by sternothyroid and sternohyoid muscles and by the anterior juglar veins. Upper end of each lobe of thyroid lies opposite C5 veebrae. The lower end of the lobe lies at the level of 5t...
medmcqa_5115
medmcqa
Which of the following can cause toxic megacolon in 36 year old lady?
[ "Amoebic colitis", "IBS", "Ulcerative colitis", "Viral diarrhea" ]
C
The hallmarks of toxic megacolon (toxic colitis), a potentially lethal condition, are nonobstructive colonic dilatation larger than 6cm and signs of systemic toxicity. The impoant etiologies of toxic megacolon include the following inflammatory causes: Ulcerative colitis Crohn colitis Pseudomembranous colitis The compl...
arc_challenge_1100
arc_challenge
Which is an example of a human-made product?
[ "cake", "tomato", "wheat", "coal" ]
A
arc_easy_655
arc_easy
After mining removes layers of rock from a hillside, new plants begin to grow in the cracks of the bare rock. The plants beginning to grow are an example of which natural process?
[ "secondary succession in an existing ecosystem", "new species developing in an ecosystem", "species competition in a community", "primary succession in a new habitat" ]
D
aquarat_26566
aquarat
If n is an integer and 5^n > 50,000,000, what is the least possible value of n?
[ "A)12", "B)8", "C)9", "D)10" ]
A
When you seperate the 50000000 into factors of 5 and 2 you get - > 10^7 x 5^1 = 5^8 x 2^7 2 to the ^ 7 = 128 so its 128 x 5^8 that means 5^8 x 5^x must be greater 5^x > 128 5^1=5 5^2=25 5^4= 625 - > so x must be at least 4 5^(8+4)= 5^12 A
medmcqa_2772
medmcqa
Which of the following anaesthetic modality is to be avoided in sickle cell disease?
[ "General anaesthesia", "Brachial plexus block", "IV. Regional Anaesthesia", "Spinal" ]
C
The complications of IVRA is mainly attributable to the use of the tourniquet. On inflation of the touniquet there is physiological deoxygenation. In patients with sickle cell disease this might lead to sickling crisis. In these patients IVRA causes stasis, local acidosis and hypoxia. Hence IVRA is best avoided in sick...
medmcqa_566
medmcqa
A 20 years female has hepatosplenomegaly, fever, pallor and generalized lymphadenopathy. Lab test useful for diagnosis is/are -a) ESRb) Electrophoresisc) Parasite detection in aspirated) ELISAe) Routine haemogram
[ "acd", "ace", "cde", "ade" ]
B
medmcqa_848
medmcqa
Which is not an aryl phosphate -
[ "Parathion", "TIK-20", "Malathion", "Paraoxon" ]
C
Organophosphate poisoning is the most common poisoning in India followed by aluminium phosphide. Organophosphorus compounds are classified as 1. Alkyl compounds -- such as tetraethyl pyrophosphate (TEPP), hexa ethyl tetraphosphate (HETP), octa methyl pyrophosphate (OMPA), malathion etc. 2. Aryl compounds -- such as par...
aquarat_28589
aquarat
Mr Katial buys a house for Rs 1,00,000 and rents it. He puts 12.5% of each month’s rent aside for upkeep and repairs, pays Rs 325 per year as taxes and realizes 5.5% annually on his investment . Find the monthly rent?
[ "A)Rs 634.76", "B)Rs 554.76", "C)Rs 654.76", "D)Rs 664.76" ]
B
Let the monthly rent be Rs X. We have, 5.5% of 100000 = 12 (X - 12.5% of X) - 325 5500/12 = X - (X/8) - 325/12 5500/12 + 325/12 = 7/8 x X X = 5825/12 x 8/7 Rs 554.76 per month ANSWER:B
mmlu_aux_4441
mmlu_auxiliary
More than a hundred adults and kids gather for the Star Party on a cold evening, chattering excitedly as they stand in the dark on a Virginia hillside. The odd thing is, no one has turned on a flashlight, and no streetlights or house lights wink on around them. These people have traveled to the countryside more than a...
[ "you'd better escape from pollution and sunlight", "you'd better follow Sean O'Brien's guidance", "you'd better buy some advanced equipment", "you'd better make use of your imagination" ]
B
null
arc_easy_1248
arc_easy
Which type of organism is the best at fixing nitrogen?
[ "bacteria", "fungi", "protists", "animals" ]
A
qasc_661
qasc
What collects something that consists of tiny grains that are the male gametes of plants
[ "Energy", "bees", "amoebas", "roses" ]
B
aquarat_45213
aquarat
The sum of the ages of 4 children born at the intervals of 3 years each is 36 years. what is the age of the youngest child ?
[ "A)22", "B)18", "C)4.5", "D)99" ]
C
Let x = the youngest child. Each of the other four children will then be x+3, x+6, x+9 We know that the sum of their ages is 36 so, x+(x+3)+(x+6)+(x+9)= 36 therefore The youngest child is 4.5 years old Answer: C
medmcqa_79
medmcqa
Which of the following muscle is not a hybrid muscle
[ "Pectoralis major", "Extensor digitorum", "Flexor digitorum profundus", "Brachialis" ]
B
Extensor digitorum Hybrid muscles are the muscles having more than one nerve supply Pctoralis major: lateral & medial pectoral nerves Brachialis: additional proprioceptive fibres from radial nerve, in addition to its muscular nerve, musculocutaneous nerve. Extensor digitorum is supplied by the posterior interosseous ne...
pubmedqa_779
pubmedqa
Proliferative index obtained by DNA image cytometry. Does it add prognostic information in Auer IV breast cancer?
[ "yes", "no", "maybe" ]
A
medmcqa_8910
medmcqa
Selective grinding for equilibrating complete dentures is best accomplished after processing when the dentures are:
[ "Rearticulated using original jaw relation record", "Rearticulated with a new series of jaw relation", "Equilibrated in the patients mouth", "Spot ground in the patients mouth" ]
B
aquarat_26161
aquarat
If x = 3^27 and x^x = 3^k, what is k?
[ "A)3^9", "B)3^12", "C)3^27", "D)3^30" ]
D
Solution: We know that x=3^27 which implies x^x = (3^27)^(3^27) = 3^(27 * 3^27) [because (x^y)^z = x^(y*z))] so 3^(3^3 * 3^27) = 3^(3^(3+27)) [because x^a * x^b = x^(a+b)] therefore x^x = 3^(3^30) Given that x^x=3^k so 3^(3^30) = 3^k Since the base is same the exponent will also be same therefore k = 3^30 Answer: D
openbookqa_956
openbookqa
What do hawks eat?
[ "lizard droppings", "bearded dragons", "cows", "grass" ]
B
aquarat_38933
aquarat
The diagonal of a cube is cm. Find its surface area
[ "A)216 sq.cm", "B)316 sq.cm", "C)416 sq.cm", "D)516 sq.cm" ]
A
Explanation: Let the edge of the cube be a. so, the diagonal √3 a = 6√3 => a=6 Surface area = 6a2 = 6 x 6 x 6 = 216 cm2 Answer: A
medmcqa_7387
medmcqa
Most common site of myositis ossificans ?
[ "Knee", "Elbow", "Shoulder", "Wrist" ]
B
Ans. is 'b' i.e., Elbow Myositis ossificans is the extraskeletal hetrotropic ossification that occurs in muscles and other soft tissues. Trauma is the most impoant cause of myositis ossificans. Usually there is history of severe single injury. It is more common in children. Most commonly involved joint is elbow followe...
medmcqa_3021
medmcqa
True for Hodgkin's stage IA is -
[ "Chemotherapy is best", "Radiotherapy is best", "Total radiation therapy is best treatment", "Fever and wt loss is always present" ]
B
medmcqa_6930
medmcqa
ACRTI-RADS scan for thyroid nodule characteristics include all except:
[ "Margin", "Echogenicity", "Vascularity", "Shape" ]
C
Ans: (c) VascularityColl Radiol 2017 May, 14(5), Page 587-595ACR TI-RADS is a reporting system for thyroid nodules on ultrasound proposed by the American College of Radiology.It is based on the following characteristic of the lesion:CompositionEchogenicityShapeMarginEchogenic fociRecommendationsTR1: No FNAC requiredTR2...
qasc_393
qasc
Hermatypic organisms provide what to many ocean organisms?
[ "survival", "food and shelter", "competition", "kinetic energy" ]
B
arc_easy_1318
arc_easy
Which of the following is the best example of a custom-made product?
[ "graphing calculator", "light bulb", "needle nose pliers", "artificial leg" ]
D
aquarat_25997
aquarat
The distance between Delhi and Mathura is 185 kms. A starts from Delhi with a speed of 20 kmph at 7 a.m. for Mathura and B starts from Mathura with a speed of 25 kmph at 8 p.m. from Delhi. When will they meet?
[ "A)10.50 a.m.", "B)11.40 a.m.", "C)10.30 a.m.", "D)11.50 a.m." ]
B
D = 185 – 20 = 165 RS = 20 + 25 = 45 T = 165/45 = 3 2/3 hours 8 a.m. + 3 hrs 40 min = 11.40 a.m. ANSWER:B
medmcqa_8178
medmcqa
An enzyme that recognizes a specific (palindromic) sequence and cuts within a DNA molecule is?
[ "Exonuclease", "Methylase", "Modification enzyme", "Restriction endonuclease" ]
D
ANSWER: (D) Restriction endonucleaseREF: Basic Genetics: Textbook and Activities by Ahmed Abouelmagd, Hussein M. Ageely page 117A palindromic sequence is a nucleic acid sequence {DNA or RNA) that is the same whether read 5' (five-prime) to 3' (three prime) on one strand or 5' to 3' on the complementary strand with whic...
medmcqa_8217
medmcqa
All of the following are presentin pterygomandibular space except
[ "Nerve to mylohyoid", "Chorda tympani", "Long buccal nerve", "Nerve to pterygoid" ]
C
medmcqa_3605
medmcqa
Causative organism of rheumatic fever -
[ "Group A Streptococci", "Staphylococci", "Group B Streptococci", "Group D Streptococci" ]
A
Ans. is 'a' i.e., Group A Streptococci Rheumatic fevero Rheumatic fever (RF) is an acute, inununologically mediated, multisystem inflammatory disease classically occurring a few weeks after an episode of group A streptococcal pharyngitis; occasionally, RF can follow streptococcal infections at other sites, such as the ...
medmcqa_9349
medmcqa
Following test is known as:
[ "Finkelstein Test", "Tinel test", "Phalen's test", "Cozens test" ]
A
Ans. A. Finkelstein testFinkelstein test is performed to make a diagnosis of Dequervain's disease, which is tenosynovitis of Abductor polices longus (APL) and extensor polices brevis (EPB), which make the first dorsal compartment of the wrist.
medmcqa_7680
medmcqa
Most common cause of primary hyperparathyroidism-
[ "Iatrogenic", "Medullary carcinoma thyroid", "Parathyroid adenoma", "Parathyroid hyperplasia" ]
C
Most common cause of primary hyperparathyroidism is autonomous secretion of parathyroid hormone (PTH) by a parathyroid adenoma. Single adenoma (90%), multiple adenomas(4%), nodular hyperplasia(5%), carcinoma(1%). Reference : page 769 Davidson's Principles and practice of Medicine 22nd edition
medmcqa_1371
medmcqa
All of the following are precipitating factor for hepatic encephalopathy in patients with chronic liver disease except
[ "Hypokalemia", "Hyponatremia", "Hypoxia", "Metabolic acidosis" ]
D
Answer is D (Metabolic acidosis): Hepatic encephalopathy is precipitated by metabolic alkalosis and not by metabolic acidosis. Electrolyte and Metabolic imbalances that precipitate Hepatic Encephalopathy Hypokalemia Alkaosis (Metabolic Alkalosis) Hypoxia Hyponatremia
qasc_4004
qasc
cancer is a defect that occurs when there is no longer regulation of what?
[ "injections", "breathing", "disease", "cycles" ]
D
medmcqa_2223
medmcqa
False about Neurotic disorders
[ "Aware of reality", "Delusion absent", "Hallucination absent", "Loss of insight" ]
D
arc_challenge_1086
arc_challenge
Compared to the amount of hereditary information in a human body cell, how much hereditary information is contained in a human sex cell?
[ "one-quarter the amount", "one-half the amount", "the same amount", "twice the amount" ]
C
medmcqa_2763
medmcqa
Superantigens true is -
[ "They bind to the left of the MHC", "Needs to processed before presentation", "They are presented by APC'S to T cells", "Directly attached to lateral aspect of TCR b chain" ]
D
Superantigens are a class of antigens that cause non-specific activation of T-cells resulting in polyclonal T cell activation and massive cytokine release. Superantigens bind first to the MHC Class II and then coordinate to the variable alpha or beta chain of T-cell Receptors . Reff: Ananthanarayan & Panikers textbook ...
openbookqa_574
openbookqa
a learned characteristic is a
[ "a baby having the same color eyes as parent", "toddler banging with a stick while parent hammers", "a child covered with freckles", "infant diagnosed with sickle cell anemia" ]
B
aquarat_22864
aquarat
The value of land increases by u% during June and decreases by v% during July. If the value of the land is the same at the end of July as at the beginning of June, what is v in terms of u?
[ "A)200u/(100+2u)", "B)100u/(100+u)", "C)u(2+u)/(1+u)2", "D)u(200+u)/10000" ]
B
The simplest pairing is a 25% increase will be offset by a 20% decrease. Here's the proof: Starting value = 100 25% increase = 100 + (.25)(100) = 125 20% decrease = 125 - (.2)(125) = 100 Ending value = 100 So we would be looking for an answer that equals 20 when A=25. While the answers might appear 'complex', you can a...
pubmedqa_514
pubmedqa
BCRABL transcript detection by quantitative real-time PCR : are correlated results possible from homebrew assays?
[ "yes", "no", "maybe" ]
C
aquarat_17483
aquarat
What is the greatest possible straight line distance, in inches, between any two points on a rectangular box that is 5 inches wide, 3 inches long, and 4 inches high?
[ "A)2√5", "B)5", "C)5√2", "D)10" ]
C
The maximum possible distance in a cuboid is the diagonal. Diagonal length = sqrt(length^2 + breadth^2 + height^2) = sqrt(50) = 5√2 (Option C)
aquarat_3503
aquarat
Anitha runs her own baking company.This morning,Anitha worker baked 810 plum pies.They also baked some more after lunch. In total,they baked 888 plum pies. How many plum pies did Anitha workers bake after lunch?
[ "A)28", "B)56", "C)78", "D)13" ]
C
888-810=78. Answer is C.
aquarat_10244
aquarat
At the beginning of 2010, 60% of the population of Town X lived in the south and the rest lived in the north. During 2010, the population of Town X grew by 5.5%. If the population in the south grew by 4.5%, by how much did the population in the north grow?
[ "A)1%", "B)3.5%", "C)6.5%", "D)7%" ]
D
Ratio of population - South:North :: 60%:40% = 3:2 Mean growth = 5.5% South Growth: 4.5% North Growth = ?? South-------------Average--------------North 4.5% __(2n)_____5.5%_____(3n)_____?? Since: 4.5 + 2n = 5.5 n = 1/2 (this is the multiplier of the ratio) Therefore: North = 5.5 + 3n North = 5.5 + 3(0.5) = 7% ANSWER:D
mmlu_aux_6977
mmlu_auxiliary
Hardness of minerals may be measured in certain ways, such as what?
[ "heating the minerals to high temperatures", "applying pressure using a sharp, tough object in order to leave marks", "hitting the minerals with a tougher stone", "taking bits of metal and comparing the texture to the minerals" ]
B
null
mmlu_aux_4063
mmlu_auxiliary
There are no exact differences between physics and other natural sciences because all sciences overlap .In general,however,physics is the scientific study of forces and qualities such as heat,light,sound,pressure,gravity and electricity,and the ways they affect other objects. One major branch of physics deals with the ...
[ "states", "electricity", "electronics", "mechanics" ]
C
null
qasc_4454
qasc
What does carpooling lead to?
[ "animal transport", "lowered energy cost", "Less pollution", "population movement" ]
C
openbookqa_2466
openbookqa
if a solid piece stands out in the elements, and reduces in size over time, what might have happened?
[ "it is moving away", "it has been depressed", "it has been stolen", "it has been weathered down" ]
D
aquarat_44417
aquarat
A gardener increased the length of a rectangle-shaped garden by 20 percent and decreased its width by 10 percent. The area of the new garden
[ "A)has increased by 20 percent", "B)has increased by 12 percent", "C)has increased by 8 percent", "D)is exactly the same as the old area" ]
C
Let L be the original length and let W be the original width. The original area was L*W. The new area is 0.9W*1.2L = (0.9)(1.2)L*W = 1.08*L*W The answer is C.
arc_easy_1627
arc_easy
All of the following are functions of a cell membrane except
[ "surrounding and protecting the contents of the cell.", "releasing waste products from the cell.", "producing energy for cell processes.", "allowing gases to enter the cell." ]
C
qasc_2928
qasc
What does fertilizer supplement?
[ "precipitation", "seeds", "nutrients", "vegetation" ]
C
aquarat_13697
aquarat
The average age of students of a class is 15.8 years. The average age of boys in the class is 16.4 years and that of the girls is 15.4 years, The ratio of the number of boys to the number of girls in the class is
[ "A)2 : 9", "B)2 : 3", "C)2 : 2", "D)2 : 1" ]
B
Let the ratio be k : 1. Then, k * 16.4 + 1 * 15.4 = (k + 1) * 15.8 <=> (16.4 - 15.8) k = (15.8 - 15.4) <=> k = 0.4/0.6 = 2/3. Required ratio = 2/3 : 1 = 2 : 3. Answer: B
qasc_583
qasc
what season happens before snow falls, and spring brings back the greenery
[ "autumn", "rainfall", "Winter", "H20" ]
A
aquarat_9835
aquarat
When 1 + 2 = 23, 2 + 3 = 65, 3 + 4 = 127, then 4 + 5 = ?
[ "A)209", "B)250", "C)265", "D)280" ]
A
1 + 2 => 1 x 2 = 2 & 1 + 2 = 3 => 2 & 3 => 23 2 + 3 => 2 × 3 = 6 & 2 + 3 = 5 => 6 & 6 => 65 3 + 4 => 3 × 4 = 12 & 3 + 4 = 7 => 12 & 7 => 127 Then 4 + 5 => 4 × 5 = 20 & 4 + 5 = 9 => 20 & 9 => 209 Answer : A
qasc_6109
qasc
What is formed when testosterone is present?
[ "competition", "Male genitalia", "Female genitalia", "layers of fat" ]
B
medmcqa_445
medmcqa
Mondors disease is:
[ "Migratory thrombophlebitis seen in pancreatic Ca", "Thromboangitis obliterans", "Thrombosis of deep veins of the leg", "Thrombophlebitis of superficial veins of breast" ]
D
Ans: D (Thrombophlebitis of superficial veins of breast) Ref: Bailey dt Love's Short Practice of Surgery, 25th Edition,833-4Explanation:Mondor's diseaseThrombophlebitis of the superficial veins of the breast and anterior chest wallCan also involve armCauseIdiopathicClinical featuresThrombosed subcutaneous vessel , usua...
openbookqa_1246
openbookqa
the mass of a planet causes
[ "sunrise", "earthquakes", "sunset", "matter to approach" ]
D
aquarat_39957
aquarat
At a certain college, 70 percent of the students taking physical education class who were injured reported their injury, while 20 percent of the students who were injured in physical education class didn't report their injury. What percent of the students taking physical education class were injured?
[ "A)87.5%", "B)60.5%", "C)40%", "D)75.5%" ]
A
Statement: 70% of students taking Pysical Education class (PE) Admitted to being Injured (AI). Of the students who took PE who were Injured (I), 20% declined to admit injury (notAI). [Note: A Venn Diagram is useful to visualize the problem.] Solution: Sample space is 100%. PE = 100% AI/PE = 70% notAI/I = 20% => 100% - ...
medmcqa_2836
medmcqa
APGAR score include A/E
[ "Respiratory effo", "Hea rate", "Respiratory rate", "Colour" ]
C
Apgar score is an objective method of evaluating the newborn&;s condition. It includes Hea rate, Respiratory effo, Muscle tone, Reflex irritability and Color. It is generally performed at 1min and again at 5 min after bih. Reference : page 126 Ghai Essential Pediatrics 8th edition
aquarat_5647
aquarat
If C.P. of 27 books is equal to S.P of 30 books , then your gain or loss is ?
[ "A)23 1/3 gain %", "B)30 10/23 loss %", "C)10% loss %", "D)30 1/3 loss %" ]
C
Say the cost price of 27 books is $27 so $1 for a book. The cost of 30 books would be $30, and the selling price of 30 books would be 27$, hence the loss = ($30 - $27)/$30 = 10%. Answer: C.
medmcqa_7062
medmcqa
Zero order kinetics is shown by which drug -
[ "Digoxin", "Theophylline", "Phenobarbitane", "Etomidate" ]
B
Ans. is 'b' i.e., Theophylline 1 o Drugs showing zero/pseudo-zero order kinetics :# Phenytoin# Tolbutamide# Theophylline# Warfarin# Alcohol# Salicylates (Aspirin)
aquarat_41456
aquarat
A train is 360 meter long is running at a speed of 45 km/hour. In what Ɵme will it pass a bridge of 140 meter length.
[ "A)20 seconds", "B)30 seconds", "C)40 seconds", "D)50 seconds" ]
C
Explanation: Speed = 45 Km/hr = 45*(5/18) m/sec = 25/2 m/sec Total distance = 360+140 = 500 meter Time = Distance/speed =500 ∗ 225=40seconds Answer: C
qasc_2017
qasc
What are needed after antibodies won't survive in body fluids?
[ "booster shots", "Veins and arteries.", "chicken pox", "Energy." ]
A
aquarat_38596
aquarat
0---:-|---:--|-:--:-|--:---|-:----1 On the number line above, the segment from 0 to 1 has been divided into fifths, as indicated by the large tick marks, and also into sevenths, as indicated by the small tick marks. What is the LEAST possible distance Z between any two of the tick marks?
[ "A)1/70", "B)1/35", "C)2/35", "D)1/12" ]
B
divisions are 0 1/7 2/7 3/7 4/7 5/7 6/7 1 1/5 2/5 3/5 4/5 5/5 expressing the same in terms of the lcm of 5,7 ,i.e 35 0 7/35 14/35 21/35 28/35 35/35 5/35 10/35 15/35 20/35 25/35 30/35 by comparing the divisions with each other we can see 1/35 is the shortest possible distance between any two selected divisions. Z=1/35 A...
arc_challenge_1064
arc_challenge
Which of these is an example of an adaptation for defense from predators?
[ "giraffe's long neck", "baby deer's spots", "otter's oily fur", "fish's gills" ]
B
pubmedqa_776
pubmedqa
Does open access endoscopy close the door to an adequately informed patient?
[ "yes", "no", "maybe" ]
A
aquarat_2813
aquarat
At a certain college, 40 percent of the total number of students are freshmen. If 50 percent of the fresh-men are enrolled in the school of liberal arts and, of these, 50 percent are psychology majors, what percent of the students at the college are freshmen psychology majors enrolled in the school of liberal arts?
[ "A)10%", "B)12%", "C)14%", "D)16%" ]
A
Let's say there is a TOTAL of 100students at this college. 40 percent of the total number of students are freshmen. # of freshmen = 40% of 100 =40 50 percent of the fresh-men are enrolled in the school of liberal arts... Number of liberal arts freshmen = 50% of 40 = 20 ...and, of these, 50 percent are psychology majors...
aquarat_30655
aquarat
At an election 2 candidates are participated a candidate got 30% of votes and defeated by 5000 votes. 100 votes are invalid. Find the total polled votes?
[ "A)11520", "B)12600", "C)15000", "D)13560" ]
B
winners votes = 100-30 = 70% invalid votes = 100 polled votes = [(100*5000)/(2*70-100)]+100 = 12600 Answer is B
arc_easy_468
arc_easy
What abiotic factor would most likely signal a population of birds that it is time to migrate from north to south?
[ "decrease in sunlight", "change in precipitation", "increase in food source", "change in wind direction" ]
A
qasc_6229
qasc
Heating an egg causes a _ reaction in the egg
[ "symptoms", "exothermic", "Evaporation", "entropic" ]
B
aquarat_5140
aquarat
3,5,9,15,23,__
[ "A)30", "B)33", "C)36", "D)40" ]
B
5=3+2 9=5+4 15=9+6 23=15+8 33=23+10 ANSWER:B
medmcqa_5887
medmcqa
Which of the following is not a feature of Heat stress
[ "Hyperpyrexia", "Syncope", "Cramps", "Numbness" ]
D
Effect of Heat stress Heat stroke: Body temperature >110degF, Delirium, Convulsions, Absence of sweating Heat hyperpyrexia Heat exhaustion Heat cramps Heat syncope Ref : Park 25th edition Pgno : 784
arc_easy_1741
arc_easy
When a large oak tree is cut down in a forest, it leaves a gap in the forest canopy which allows smaller trees to quickly grow in the available sunlight. Which interaction is best represented among the smaller trees?
[ "parasitism", "mutualism", "competition", "commensalism" ]
C
medmcqa_3948
medmcqa
Gas gangrene is caused by all except?
[ "Cl. histolyticum", "Cl. novyi", "Cl. septicum", "Cl. sporogenes" ]
D
Ans. is 'd' i.e., Cl. sporogenes
qasc_8005
qasc
What unwanted creature would be found on the surface of a human body using it as a host?
[ "Tapeworm.", "Leeches.", "Pesticides", "animals" ]
B
aquarat_10812
aquarat
If the cost price of 58 articles is equal to the selling price of 50 articles, then what is the percent profit?
[ "A)12%", "B)16%", "C)20%", "D)24%" ]
B
Let x be the cost price of one article. Let y be the selling price of one article. 50y = 58x y = 1.16x The answer is B.
medmcqa_4420
medmcqa
The coronal pulp has
[ "Two surfaces", "Five surfaces", "Six surfaces", "Four surfaces" ]
C
aquarat_967
aquarat
In each of the following questions a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank spaces. 2, 7, 14, ?, 34, 47
[ "A)31", "B)23", "C)36", "D)31" ]
B
B 23 The given sequence is +5, +7, +9, —— ie. 2+ 5 = 7, 7 + 7 = 14, 14 + 9 = 23
aquarat_42921
aquarat
Two pipes P and Q can fill a tank in 5 hours and 10 hours respectively. If both pipes are opened simultaneously, how much time will be taken to fill the tank?
[ "A)4 hours 20 min", "B)5 hours 49 min", "C)3 hours 20 min", "D)3 hours 22 min" ]
C
Explanation: Part filled by P in 1 hour = 1/5 Part filled by Q in 1 hour = 1/10 Part filled by (P + Q) in 1 hour = ( 1/5 + 1/10) = (3/10) Time taken to fill the tank is (10/3) = 10/3*60 = 200 mins = 3 hrs 20 mins ANSWER C
medmcqa_6684
medmcqa
Peripheral pulmonic stenosis is associated with
[ "Subaoic stenosis", "Takayasu's aeritis", "William syndrome", "Coarctation of syndrome" ]
C
Answer is C and E (William syndrome and Rubella) Peripheral pulmonic stenosis is often associated with various congenital and acquired conditions including Rubella and williams syndrome.
medmcqa_4214
medmcqa
All of the following are advantages of LMA Except
[ "More reliable than face mask", "Prevent aspiration", "Alternative to endotracheal intubation", "Does not require laryngoscope & visualization" ]
B
LMA is intermediate between the face mask and endotracheal intubation in terms of reliability, invasiveness, and facilitation of gas exchange (face mask has minimum and endotracheal intubation has maximum)LMA does not prevent aspiration - should not be used in full stomach patientsLMA can be used as an alternative to e...
aquarat_43121
aquarat
A sum of money lent out at S.I. amounts to Rs. 720 after 2 years and to Rs. 1020 after a further period of 5 years. The sum is?
[ "A)776", "B)267", "C)269", "D)600" ]
D
S.I for 5 years = (1020 - 720) = Rs. 300. S.I. for 2 years = 300/5 * 2 = Rs. 120. Principal = (720 - 120) = Rs.600. Answer: D
aquarat_4884
aquarat
A certain lab experiments with white and brown mice only. In one experiment, 2/5 of the mice are brown. If there are 12 white mice in the experiment, how many mice in total are in the experiment?
[ "A)20", "B)12", "C)15", "D)18" ]
A
Let total number of mice = M Number of brown mice = 2/5M Number of white mice = 3/5 M = 12 => M = 20 Answer A
medmcqa_5305
medmcqa
Stylohyoid ligament is derived from:
[ "1st branchial arch", "2nd branchial arch", "1st branchial pouch", "2nd branchial pouch" ]
B
Ans. B 2nd branchial archRef: Gray's Anatomy, 41st ed. pg. 449* The stylohyoid ligament is a fibrous cord extending from the tip of the styloid process to the lesser cornu of the hyoid bone. It gives attachment to the highest fibres of the middle pharyngeal constrictor and is intimately related to the lateral wall of t...
mmlu_aux_3856
mmlu_auxiliary
When will a plant be considered a weed? Experts have a simple answer: when the undesirable qualities outweigh (,) the good qualities. Crops generally produce several hundred seeds from each plant. By comparison, each weed plant can produce tens or even hundreds of thousands of seeds. And some buried seeds can survive u...
[ "Chemical weed killers.", "Putting the com gluten in the field.", "Dense planting.", "Making use of mulch." ]
C
null
mmlu_aux_4228
mmlu_auxiliary
Most people are afraid of bees. Anyone who's been stung by one quickly learns to avoid bees whenever possible. I learned that lesson when, as a child, I ran into a beehive. Dozens of bees attacked, stinging me all over my body. It was a painful incident, but I was lucky. Those bees weren't Africanized, or "killer" bees...
[ "killer bees will take the place of European bees before long", "killer bees are sure to increase the production of coffee", "it is difficult to get rid of killer bees", "killer bees have caused great harm to the people there" ]
C
null
qasc_7393
qasc
what are immobile?
[ "adult sponges", "gastropod shells", "clouds", "h2o" ]
A
mmlu_aux_3661
mmlu_auxiliary
In the past two decades, the Chinese economy has undergone many reforms in an effort to compete more effectively on the international market.These reforms included allowing foreign hanks to offer credit cards to Chinese citizens, Now, researchers at the University of Missouri (MU)have found about 30 percent of Chinese ...
[ "record the valuable data", "provide concrete evidence", "introduce a research method", "give a detailed description" ]
B
null
medmcqa_8865
medmcqa
Turner syndrome is
[ "45 XO", "47 XXY", "Trisomy 13", "Trisomy 18" ]
A
Ans. (a) 45 XORef: Shaws 15th ed. H10-111; Harrison 19/e 635; William's Gynecology Ch 16