dataset stringclasses 6
values | id stringlengths 12 16 | question stringlengths 1 935 | choices listlengths 4 4 | answer stringclasses 4
values | support stringlengths 0 7.76k ⌀ |
|---|---|---|---|---|---|
medmcqa | medmcqa_05_01586 | The line joining ant. sup iliac spine to ischial tuberosity and passes a greater trochanter | [
"Nelaton's line",
"Showmakers line",
"Chiene's line",
"Perkins line"
] | A | Ans. is 'a' i.e Nelaton's line Maheshwari 3/e p 310(2/e, p299)] Nelaton's line : With the hip in 90 degrees of flexion, a line joining the ASIS and ischial tuberosity passes through the tip of the greater trochanter on that side. In cases of subtrochanteric shortening, the trochanter will be proximal to this line. Shoe... |
openbookqa | obqa_02_00703 | if something moves faster than before, it might have been affected by what? | [
"the application of water",
"the application of force",
"the application of light",
"none of these"
] | B | force causes the speed of an object to increase |
medmcqa | medmcqa_05_00120 | A patient comes with Thrombocytopenia, eczema and recurrent infections. What is the most probable diagnosis? | [
"Wiskott Aldrich syndrome",
"A beta gamaglobulinemia",
"Chediak hegashi syndrome",
"Lazy leukocyte syndrome"
] | A | ANSWER: (A) Wiskott Aldrich syndromeREF: Harrisons 17th ed chapter 310WISKOTT-ALDRICH SYNDROME:This X-linked disease characterized by eczema, thrombocytopenia, and repeated infections is caused by mutations in the WASP gene.Affected male infants often present with bleeding, and most do not survive childhood, dying of c... |
ARC-Challenge | arc_04_02944 | When the first American astronauts were planning to walk on the Moon, they knew that the gravity on the Moon was less than the gravity on Earth. With this information, what did the astronauts expect to be most different on the Moon? | [
"their mass",
"their height",
"their weight",
"their volume"
] | C | null |
sciq | sciq_01_00683 | What are two nonliving things that all living things need for survival? | [
"water and air",
"sunlight",
"methane",
"calcium"
] | A | |
openbookqa | obqa_02_01308 | If a tree falls in the forest, then gets covered in mud, it might form : | [
"future imprints in rock",
"Houses for hairy sasquatch",
"charmin brand toilet paper",
"Footprints on a beach"
] | A | An example of a fossil is a paw print in rock |
math_qa | mathqa_03_03458 | a present value of a machine is $ 1200 . its value depletion rate is 10 % per annum then find the machine value after 2 years ? | [
"$ 972",
"$ 810",
"$ 915",
"$ 715"
] | A | "p = $ 1200 r = 10 % t = 2 years machine value after 2 years = p [ ( 1 - r / 100 ) ^ t ] = 1200 * 9 / 10 * 9 / 10 = $ 972 answer is a" |
openbookqa | obqa_02_02296 | Which of the following changes shape of an object? | [
"spinning liquid mercury",
"blowing on gases",
"ripping paper",
"cutting water"
] | C | tearing an object changes that object 's shape |
medmcqa | medmcqa_05_01456 | Which of the following does not predispose to cholangiocarcinoma - | [
"Ulcerative colitis",
"Clonorchis sinensis",
"Choledochal cyst",
"Chronic pancreatitis"
] | D | Ans is 'd' i.e., Chronic pancreatitis |
openbookqa | obqa_02_00423 | As demand for product lags | [
"retailers make more money",
"retailers open new branches",
"retailers lose out on revenue",
"retailers double up on their stock"
] | C | as the sale of a product decreases , the amount of money made by the person selling that product will decrease |
sciq | sciq_01_02309 | What term means the amount of space matter takes up? | [
"density",
"volume",
"mass",
"weight"
] | B | The amount of space matter takes up is its volume . How the volume of matter is measured depends on its state. |
sciq | sciq_01_06305 | What are structures that protect the coast like barrier islands called? | [
"breakwaters",
"domes",
"fortresses",
"dunes"
] | A | Breakwaters are structures that protect the coast like barrier islands. Groins are structures that help prevent longshore drift from eroding a beach. |
math_qa | mathqa_03_00174 | at joel ’ s bookstore , the current inventory is 30 % historical fiction . of the historical fiction books , 30 % are new releases , while 40 % of the other books are new releases . what fraction of all new releases are the historical fiction new releases ? | [
"4 / 25",
"9 / 37",
"2 / 5",
"8 / 15"
] | B | "let there be 100 books in all historic fiction books = 30 % of total = 30 other books = 70 new historic fiction = 30 % of 30 = 9 other new books = 40 % of 70 = 28 total new books = 37 fraction = 9 / 37 ans : b" |
medmcqa | medmcqa_05_02120 | In neonatal cholestasis, if the serum gamaglutamyl-transpeptidase (gamma GTP) is more than 600IU/L the most likely diagnosis is: | [
"Neonatal hepatitis",
"Choledochal cyst",
"Sclerosing cholangitis",
"Biliary atresia"
] | D | GGTP of more than 600IU/L is suggestive of cholestasis. GGT levels are commonly elevated to values more than 10 times normal in biliary atresia while in hepatic causes it is raised to about three times normal. Normal values for GGT is about 5-40IU/L. Ref: Harrison's Principles of Internal Medicine, 17th Edition, Page 1... |
openbookqa | obqa_02_04501 | What requires energy for growth? | [
"a car",
"a hippopotamus",
"a house",
"a desk"
] | B | an organism requires energy for growth |
sciq | sciq_01_09273 | What are the three stages of water? | [
"liquid, underground, frozen",
"ice, rock, sky",
"vapor, earth, internal",
"ice, liquid, vapor"
] | D | (A) Natalie Lucier; (B) Gareth Haywood; (C) Lynn Greyling. Ice, liquid, and water vapor are the three phases of water . (A) CC BY 2.0; (B) CC BY 2.0; (C) Public Domain. |
sciq | sciq_01_00738 | What are the only plants with a life cycle in which the gametophyte generation is dominant? | [
"photoreactive",
"nonpermeable",
"vascular plants",
"nonvascular"
] | D | Nonvascular plants include mosses, liverworts, and hornworts. They are the only plants with a life cycle in which the gametophyte generation is dominant. Figure below shows the life cycle of moss. The familiar, green, photosynthetic moss plants are gametophytes . The sporophyte generation is very small and dependent on... |
sciq | sciq_01_03518 | What do halogens require electrons to achieve? | [
"formation",
"fusion",
"coupling",
"octet"
] | D | Chapter 7 The Periodic Table and Periodic Trends In , we presented the contemporary quantum mechanical model of the atom. In using this model to describe the electronic structures of the elements in order of increasing atomic number, we saw that periodic similarities in electron configuration correlate with periodic si... |
ARC-Easy | arc_04_01123 | A student places a sheet of black construction paper on her desk. What happens to most of the light that strikes the black construction paper? | [
"The light is bent by the paper.",
"The light reflects off the paper.",
"The light is absorbed by the paper.",
"The light passes through the paper."
] | C | null |
sciq | sciq_01_02952 | Shivering helps the body return to a stable what? | [
"mood",
"temperature",
"weight",
"pH level"
] | B | These people may be having fun in the icy water, but their bodies are struggling to react to the cold. For example, they may begin to shiver. Shivering helps the body return to a stable temperature. The body is always working to achieve stability, or homeostasis. |
medmcqa | medmcqa_05_01646 | A convict whose family or relations were not known and no biological sample was available with jail authorities, escaped from the jail. A dead body resembling the convict was found in nearby forest, but due to mutilation of face, identity could not be established. The positive identity that he is the same convict who e... | [
"Blood Grouping",
"DNA Profile",
"Anthropometry",
"HLA typing"
] | C | As the suspected deceased convict doesn't have any family relatives, therefore, DNA Profile & HLA typing as a tool of identification is ruled out. As there is no biological sample blood grouping is not possible. Therefore victim's anthropometrical measurements like body weight, height, limb lengths, head circumference ... |
sciq | sciq_01_02724 | The components of what keep their own identity when they combine and can usually be easily separated? | [
"alloy",
"mixture",
"solution",
"compound"
] | B | The components of a mixture keep their own identity when they combine. Therefore, they usually can be easily separated again. Their different physical properties are used to separate them. For example, oil is less dense than water, so a mixture of oil and water can be separated by letting it stand until the oil floats ... |
sciq | sciq_01_07092 | What type of engineers influence community structure through their effects on the physical environment? | [
"civil engineers",
"electrical engineers",
"ecosystem engineers",
"mechanical engineers"
] | C | |
sciq | sciq_01_02348 | Energy from sunlight enters many ecosystems through what process? | [
"isolation",
"reproduction",
"photosynthesis",
"multiplication"
] | C | Ecosystems need energy. Many ecosystems get their energy in the form of sunlight, which enters the ecosystem through photosynthesis . This energy then flows through the ecosystem, passed from producers to consumers . Plants are producers in many ecosystems. Energy flows from plants to the herbivores that eat the plants... |
openbookqa | obqa_02_04465 | What property of waves matter when the ground shakes? | [
"amplitude",
"fish scales",
"oscillation",
"ground water"
] | A | a seismograph is a kind of tool for measuring the size of an earthquake |
openbookqa | obqa_02_00110 | A magnet would attract a | [
"Wooden hairbrush",
"Oranges",
"Glassware",
"Zippers"
] | D | a magnet attracts ferromagnetic metals through magnetism |
ARC-Easy | arc_04_00694 | A researcher determines a cell has a flexible cell wall composed of peptidoglycan. This observation narrows possible classifications of the cell to which taxonomic group? | [
"archaea",
"bacteria",
"fungi",
"plants"
] | B | null |
ARC-Easy | arc_04_00950 | Pedro shook a can of soda. When the soda was opened, foam and soda burst from the can. Which statement best explains what happened? | [
"A new substance was formed.",
"The gas pressure was released from the can.",
"The sugar in the soda turned into a gas.",
"The can absorbed heat from the air."
] | B | null |
medmcqa | medmcqa_05_03183 | The most likely precursor to bronchiectasis is | [
"Tuberculosis",
"Carcinoma",
"Bronchial adenoma",
"Bronchopneumonia"
] | D | BronchiectasisAbnormal and permanent dilatation of bronchi.The bronchial dilatation of bronchiectasis of is associated with destructive and inflammatory changes in the walls of medium-sized airways, often at the level of segmental or subsegmental bronchi.Types of bronchiectasisCylindrical bronchiectasis Varicose bronch... |
sciq | sciq_01_08278 | How does the solubility of gases in liquids change with increasing temperature? | [
"it stabilizes",
"no change",
"it increases",
"it decreases"
] | D | Effect of Temperature on the Solubility of Gases The solubility of gases in liquids decreases with increasing temperature, as shown inFigure 13.10 "Solubilities of Several Common Gases in Water as a Function of Temperature at Partial Pressure of 1 atm". Attractive intermolecular interactions in the gas phase are essent... |
sciq | sciq_01_01415 | The fluid surrounding cells is hemolymph in insects and other animals with an open type of what system? | [
"lymphatic",
"vascular",
"circulatory",
"pulmonary"
] | C | |
math_qa | mathqa_03_03894 | if x is to be chosen at random from the integers between 1 to 7 , inclusive , and y is to be chosen at random from the integers between 8 and 12 , inclusive , what is the probability that x + y will be even ? | [
"2 / 5",
"3 / 7",
"5 / 7",
"17 / 35"
] | D | "x + y will be even if x and y are both even or both odd . p ( x and y are both even ) = 3 / 7 * 3 / 5 = 9 / 35 p ( x and y are both odd ) = 4 / 7 * 2 / 5 = 8 / 35 p ( x + y is even ) = 9 / 35 + 8 / 35 = 17 / 35 the answer is d ." |
openbookqa | obqa_02_02739 | The cracks in a sidewalk could be caused by | [
"black holes",
"Pine",
"time travel",
"emotions"
] | B | if a tree is located near a sidewalk then the roots of that tree might crack the sidewalk |
sciq | sciq_01_08941 | How do you calculate the atomic mass of an element? | [
"add neutrons and electrons",
"add the protons and neutrons together",
"multiply protons by neutrons",
"count the electrons"
] | B | In this lesson, you learned about chemical bonds in a water molecule. The bonds form between atoms of hydrogen and oxygen when they share electrons. This type of bond is an example of a covalent bond. |
ARC-Easy | arc_04_01333 | What is the main source of raw material for the production of plastics? | [
"clay",
"plants",
"petroleum",
"sand"
] | C | null |
openbookqa | obqa_02_03343 | A learned characteristic could be | [
"Eye color",
"a cartwheel",
"freckles",
"Hair color"
] | B | doing chores is a learned characteristic |
openbookqa | obqa_02_03275 | Which is most likely a cause of camouflage's effectiveness? | [
"a predator's eye sight",
"a predator's sense of hearing",
"a predator's sense of style",
"a predator's poor smelling"
] | A | camouflage is a kind of protection against predators |
medmcqa | medmcqa_05_02885 | Which laser is used in the management of after cataracts - | [
"Argon",
"Krypton",
"YAG",
"Excimer"
] | C | After cataract, if thin, can be cleared centrally by a YAG laser capsulotomy. |
medmcqa | medmcqa_05_00196 | Low serum cobalamin and elevated serum folate levels are seen in? | [
"Acute myeloid leukemia",
"Celiac sprue",
"Bacterial overgrowth syndrome",
"Chronic myeloid leukemia"
] | C | Low serum cobalamin seen in Blood cancer but depletion of both Vit B12 and folic acid. So, leukemia Ruled out. Celiac Sprue - Involvement of Duodenum>Jejunum>Ileum Folic acid absorption- Jejunum Vit B12 absorption - T. Ileum So, Celiac spure ruled out Bacterial overgrowth syndrome Ileum involvement Vit B12 | Bacteria p... |
sciq | sciq_01_02061 | The vertebrate endoskeleton can also be called what? | [
"deep skeleton",
"internal skeleton",
"structural skeleton",
"exoskeleton"
] | B | The vertebral column is the core of the vertebrate endoskeleton, or internal skeleton. You can see a human skeleton as an example of the vertebrate endoskeleton in Figure below . In addition to the vertebral column, the vertebrate endoskeleton includes:. |
ARC-Challenge | arc_04_02603 | Organisms can be separated by their most basic characteristics into the broadest groups known as | [
"kingdoms.",
"domains.",
"phyla.",
"orders."
] | B | null |
sciq | sciq_01_10167 | Budding and fission in annelids are examples of what type of reproduction? | [
"byproduct",
"hybrid",
"asexual",
"sexual"
] | C | Most annelids can reproduce both asexually and sexually. Asexual reproduction may occur by budding or fission. Sexual reproduction varies by species. Some species go through a larval stage before developing into adults. Other species grow to adult size without going through a larval stage. |
openbookqa | obqa_02_01424 | People can touch something to see if it's | [
"shiny",
"red",
"striped",
"wrinkled"
] | D | touch can be used for detecting texture |
sciq | sciq_01_01999 | Osseous tissue - the connective tissue that includes specialized cells, mineral salts, and collagen fibers - makes up what? | [
"spine",
"bone",
"muscles",
"ligaments"
] | B | 38.2 Bone Bone, or osseous tissue, is connective tissue that includes specialized cells, mineral salts, and collagen fibers. The human skeleton can be divided into long bones, short bones, flat bones, and irregular bones. Compact bone tissue is composed of osteons and forms the external layer of all bones. Spongy bone ... |
medmcqa | medmcqa_05_00782 | Morula enters into uterine cavity after how many days of filization ? | [
"5-Apr",
"7-Jun",
"10-Aug",
"12-Oct"
] | A | Ans. is 'a' i.e., 4-5 |
math_qa | mathqa_03_03401 | a company that ships boxes to a total of 15 distribution centers uses color coding to identify each center . if either a single color or a pair of two different colors is chosen to represent each center and if each center is uniquely represented by that choice of one or two colors , what is the minimum number of colors... | [
"8",
"7",
"6",
"5"
] | D | "back - solving is the best way to solve this problem . you basically need 12 combinations ( including single colors ) if we start from option 1 - > 1 = > 4 c 2 + 4 = 10 ( not enough ) 2 = > 5 c 2 + 5 = 15 ( enough ) since the minimum number is asked . it should be 5 . answer - d" |
medmcqa | medmcqa_05_03019 | Sentinel laboratories are mainly involved in: | [
"External Quality Assessment of laboratories",
"Diagnosis of HIV infection",
"Control of Bioterrorism",
"Diagnosis of Tuberculosis"
] | C | Because communication between clinical and public health laboratories is so critical in the post-2001 era, Centre for Disease Control (CDC) created an organizational structure whereby isolates and lines of communication flow freely among numbers. The Laboratory Response Network (LRN) was originally designed as a four-t... |
sciq | sciq_01_10715 | Ordinary table salt is called what? | [
"carbon chloride",
"sodium chloride",
"oxygen chloride",
"ammonia chloride"
] | B | Ordinary table salt is called sodium chloride. It is considered a substance because it has a uniform and definite composition. All samples of sodium chloride are chemically identical. Water is also a pure substance. Salt easily dissolves in water, but salt water cannot be classified as a substance because its compositi... |
sciq | sciq_01_04348 | Gymnosperms have evolved to include what? | [
"seeds",
"stems",
"flowers",
"cells"
] | A | Gymnosperms evolved to have seeds but do not have flowers. Examples of gymnosperms include the Redwood, Fir, and Cypress trees. Gymnos means "naked" in Greek; the seeds of gymnosperms are naked, not protected by flowers. |
sciq | sciq_01_00129 | Due to the __________ nature of the lipids that make up cell membranes, polar molecules (such as water) and ions cannot easily diffuse across the cell membrane. | [
"hydrophylic",
"catalytic",
"saturated",
"hydrophobic"
] | D | Small nonpolar molecules can easily diffuse across the cell membrane. However, due to the hydrophobic nature of the lipids that make up cell membranes, polar molecules (such as water) and ions cannot do so. Instead, they diffuse across the membrane through transport proteins. A transport protein completely spans the me... |
math_qa | mathqa_03_04798 | a sum of money deposited at c . i . amounts to rs . 9000 in 10 years and to rs . 9990 in 11 years . find the rate percent ? | [
"9 %",
"10 %",
"11 %",
"12 %"
] | C | "9000 - - - 990 100 - - - ? = > 11 % answer : c" |
medmcqa | medmcqa_05_01575 | Parasympathetic supply to lacrimal glands are passed through - | [
"Lesser petorsal nerve",
"Chorda tympani",
"Greater petorsal nerve",
"Lingual nerve"
] | C | Ans. is 'c' i.e., Greater petrosal nerve o Secretomotor (parasympathetic) fibers to lacrimal gland travel through greater petrosal nerve.GangliaSensory rootSympathetic rootSecretomotor rootMotor rootDistributionCiliaryFrom nasociliary nervePlexus along ophthalmic artery-Edinger-Westphal nucleus - oculomotor nerve - ner... |
medmcqa | medmcqa_05_03811 | ElekS Gel test is used in:( | [
"Influenza",
"Diphtheria",
"Brucellosis",
"Cholera"
] | B | Diphtheria |
math_qa | mathqa_03_00805 | a bus covered a distance of 250 km , partly at an average speed of 40 kmph and partly at 60 kmph . if the total time taken is 6 hours , then the distance covered at 40 kmph is | [
"220 km",
"120 km",
"100 km",
"140 km"
] | A | "let the partial distance covered at 40 kmph be x let the another partial distance covered at 60 kmph be ( 250 - x ) thus , x / 40 - ( 250 - x ) / 60 = 6 or , x / 40 + ( 250 - x ) / 60 = 6 or , ( 3 x + 500 - 2 x ) / / 120 = 6 or 500 + x = 720 x = 220 answer : a" |
math_qa | mathqa_03_02440 | we bought orange juice and apple juice at the store . a bottle of orange juice costs 70 cents and a bottle of apple juice costs 60 cents . we bought a total of 70 bottles for $ 46.20 . how many bottles of orange juice did we buy ? | [
"32",
"36",
"38",
"42"
] | D | let oj be the bottles of orange juice and let aj be the bottles of apple juice . ( oj ) + aj = 70 . aj = 70 - ( oj ) . 70 ( oj ) + 60 aj = 4620 . 70 ( oj ) + 60 ( 70 - oj ) = 4620 . 10 ( oj ) + 4200 = 4620 . oj = 42 . the answer is d . |
math_qa | mathqa_03_02266 | ifaequals the sum of the even integers from 2 to 60 , inclusive , andbequals the sum of the odd integers from 1 to 59 , inclusive , what is the value of a - b ? | [
"1",
"10",
"30",
"20"
] | C | "this is a solution from beatthegmat : even numbers : ( 60 - 2 ) / 2 + 1 = 30 even integers . ( 60 + 2 ) / 2 = 31 is the average of the even set . sum = avg * ( # of elements ) = 31 * 30 = 930 = a odd numbers : ( 59 - 1 ) / 2 + 1 = 30 odd integers . ( 59 + 1 ) / 2 = 30 is the average of the odd set . sum = avg * ( # of... |
ARC-Easy | arc_04_01771 | A newborn kangaroo has the ability to crawl into its mother's pouch to drink milk. This is an example of | [
"migration.",
"an instinct.",
"hibernation.",
"a learned behavior."
] | B | null |
sciq | sciq_01_01822 | What process takes place when echinoderms release their gametes into the water? | [
"fertilization",
"stimulation",
"isolation",
"migration"
] | A | The echinoderm nervous system has a nerve ring at the center and five radial nerves extending outward along the arms. There is no centralized nervous control. Echinoderms have separate sexes and release their gametes into the water where fertilization takes place. Echinoderms may also reproduce asexually through regene... |
math_qa | mathqa_03_04292 | a circular rim 28 inches in diameter rotates the same number of inches per second as a circular rim 35 inches in diameter . if the smaller rim makes x revolutions per second , how many revolutions per second does the larger rim makes in terms of x ? | [
"4 x / 5'",
"75 x'",
"48 x'",
"24 x'"
] | A | let ' s try the explanation . we have two wheels . one with 28 pi and the other one with 35 pi . they have the same speed . in the smaller wheel it ' s 28 pi * x , which must be equal to the speed of the bigger one ( 35 pi * a number of revolutions ) . they are asking that number of revolutions ( but in minutes , which... |
openbookqa | obqa_02_03590 | If someone wants to walk towards the magnetic north pole they should | [
"walk to the east",
"walk parallel to the way their compass is pointing",
"walk perpendicular to the way a compass is pointing",
"catch a bus ride"
] | B | a compass 's needle lines up with Earth 's magnetic poles |
math_qa | mathqa_03_04295 | with both valves open , the pool will be filled with water in 48 minutes . the first valve alone would fill the pool in 2 hours . if the second valve emits 50 cubic meters of water more than the first every minute , then what is the capacity r of the pool ? | [
"9000 cubic meters",
"10500 cubic meters",
"11750 cubic meters",
"12000 cubic meters"
] | D | "d . 12000 cubic meters . if both hte valves fill the pool in 48 minutes and valve 1 only fills in 120 minutes then valve 2 alone will fill the pool in ( 48 * 120 ) / ( 120 - 48 ) = 80 minutes . now , if valve 1 admits x cubic meter of water per minute then the capacity of pool will be 120 x and also 80 ( x + 50 ) . or... |
medmcqa | medmcqa_05_00995 | In which of the following c-ANCA is seen? | [
"Wegener's granulomatosis",
"Polyarteritis nodosa",
"Churg-Strauss syndrome",
"Bechet's syndrome"
] | A | a. Wegener's granulomatosis(Ref: Nelson's 20/e p 1176-1180, Ghai 8/e p 628)C-ANCAP-ANCA (against Myeloperoxidase)Wegener's GranulomatosisQ (90-95%)* Microscopic PAN (microscopic polyangitis)* Churg-Strauss syndromeQ* Drugs (hydralazine, propythiouracil)* Crescentic GlomerulonephritisQ* Goodpasteur's syndromeQ* Ulcerati... |
medmcqa | medmcqa_05_03372 | ASHA stands for - | [
"Associate social health activist",
"Accredited social health activist",
"Advanced social health activist",
"Assistant social health activist"
] | B | Ans. is 'b' i.e., Accredited social health activist o ASHA stands for Accredited social health activist. |
sciq | sciq_01_06653 | Which body organ filters the blood in the body and creates urine? | [
"liver",
"the arteries",
"intestines",
"the kidneys"
] | D | The kidneys help the body maintain homeostasis in several ways. They filter all the blood in the body many times each day and produce urine. They control the amount of water and dissolved substances in the blood by excreting more or less of them in urine. |
medmcqa | medmcqa_05_02976 | Pacemaker is formed by which of the following cells in GIT? | [
"P- cells",
"Oxyntic cells",
"Cajal cells",
"Parietal cells"
] | C | Interstitial cells of Cajal are the Stellate Mesenchymal pacemaker cells Ref: Ganong 25th ed/page 496 |
sciq | sciq_01_00820 | The external female reproductive structures are referred to collectively as what? | [
"the vulva",
"the Fallopian tube",
"the uterus",
"the cervix"
] | A | The external female reproductive structures are referred to collectively as the vulva. They include the labia (singular, labium), which are the “lips” of the vulva. The labia protect the vagina and urethra, both of which have openings in the vulva. |
ARC-Easy | arc_04_00588 | A jet plane is moving at a constant velocity on a flat surface. Which forces act against the forward motion of the plane? | [
"gravity and engine thrust",
"engine thrust and friction",
"friction and air resistance",
"air resistance and gravity"
] | C | null |
sciq | sciq_01_06652 | Lots of volcanoes form along which boundaries? | [
"subduction plate boundaries",
"deposit plate bounderies",
"basalt plate boundaries",
"geyser plate boundaries"
] | A | Lots of volcanoes form along subduction plate boundaries. The edges of the Pacific Plate are a long subduction boundary. Lines of volcanoes can form at subduction zones on oceanic or continental crust. Japan is an example of a volcanic arc on oceanic crust. The Cascade Range and Andes Mountains are volcanic arcs on con... |
sciq | sciq_01_06072 | Nonmetal structures contain what type of bonds? | [
"covalent",
"prevalent",
"polymeric",
"gravitational"
] | A | Structures of the Nonmetals The structures of the nonmetals differ dramatically from those of metals. Metals crystallize in closely packed arrays that do not contain molecules or covalent bonds. Nonmetal structures contain covalent bonds, and many nonmetals consist of individual molecules. The electrons in nonmetals ar... |
math_qa | mathqa_03_02773 | a certain industrial loom weaves 0.128 meters of cloth every second . approximately how many seconds will it take for the loom to weave 25 meters of cloth ? | [
"205",
"200",
"180",
"195"
] | D | "explanation : let the required number of seconds be x more cloth , more time , ( direct proportion ) hence we can write as ( cloth ) 0.128 : 25 : : 1 : x ⇒ 0.128 x = 25 ⇒ x = 25 / 0.128 = 25000 / 128 = 3125 / 16 ≈ 195 answer : option d" |
openbookqa | obqa_02_00389 | Materials like ethanol are used to produce electricity by _____. | [
"hydroelectric power",
"renewable energy",
"burning",
"carbon fixation"
] | C | biofuel is used to produce electricity by burning |
sciq | sciq_01_07220 | Glycolysis oxidizes glucose to two molecules of pyruvate? | [
"N/A - see below",
"N/A - see below",
"N/A - see below",
"glucose"
] | D | |
sciq | sciq_01_11079 | How many protons and electrons each do carbon atoms have? | [
"two",
"six",
"nine",
"five"
] | B | Consider carbon as an example. Carbon atoms have six protons. They also have six electrons. All carbon atoms are the same whether they are found in a lump of coal or a teaspoon of table sugar ( Figure below ). On the other hand, carbon atoms are different from the atoms of hydrogen, which are also found in coal and sug... |
sciq | sciq_01_10032 | What type of hydrocarbon is coal? | [
"gas",
"solid",
"liqued",
"mineral"
] | B | Coal is a solid hydrocarbon. Coal is useful as a fuel, especially for generating electricity. Coal is relatively inexpensive and abundant. Developing nations, like China, rely heavily on coal. Around the world, coal is the largest source of energy for electricity. |
openbookqa | obqa_02_03842 | Maggots eat flesh turning it into | [
"dryer",
"nourishment for soil",
"rancid",
"deadlier"
] | B | decomposition increases the amount of nutrients in the soil |
math_qa | mathqa_03_04233 | the average marks of a class of 35 students is 45 and that of another class of 55 students is 65 . find the average marks of all the students ? | [
"52.6",
"52.4",
"52.1",
"57"
] | D | "sum of the marks for the class of 35 students = 35 * 45 = 1575 sum of the marks for the class of 55 students = 55 * 65 = 3575 sum of the marks for the class of 90 students = 1575 + 3575 = 5150 average marks of all the students = 5150 / 90 = 57 . answer : d" |
sciq | sciq_01_06332 | Due to the time it takes for light to reach us, galaxies at the edge of the universe are distant in terms of space and what else? | [
"time",
"temperature",
"energy",
"gravity"
] | A | The galaxies at the edge of the Universe are a great distance away. But they are something else that is distant. Because it takes so long for light from so far away to reach us, they are also very far back in time ( Figure below ). |
sciq | sciq_01_08781 | Plant viruses can seriously disrupt crop growth and development, significantly affecting our what? | [
"fuel supply",
"air supply",
"harvest supply",
"food supply"
] | D | Plant viruses can seriously disrupt crop growth and development, significantly affecting our food supply. They are responsible for poor crop quality and quantity globally, and can bring about huge economic losses annually. Others viruses may damage plants used in landscaping. Some viruses that infect agricultural food ... |
openbookqa | obqa_02_04954 | The nimbleness of this animal is a key adaption that allows it to escape attacks from predators: | [
"the praying mantis",
"the antelope",
"the butterfly",
"the sloth"
] | B | adaptation is when an organism develops a trait over time for survival |
openbookqa | obqa_02_03013 | Northern countries have extensive erosion due to | [
"glacial liquification",
"cola mining",
"more frequent tornadoes",
"meteors"
] | A | glaciers melting has a negative impact on the glaicial environment |
sciq | sciq_01_06356 | What type of movements are produced when the angle between the bones of a joint changes? | [
"oblong",
"microscopic",
"circular",
"angular"
] | D | The wide range of movement allowed by synovial joints produces different types of movements. Angular movements are produced when the angle between the bones of a joint changes. Flexion, or bending, occurs when the angle between the bones decreases. Moving the forearm upward at the elbow is an example of flexion. Extens... |
medmcqa | medmcqa_05_03047 | Newborn Cardiac output is _________ | [
"200ml/kg/min",
"250ml/kg/min",
"300ml/kg/min",
"350ml/kg/min"
] | D | Normal mean (2 SD) cardiac output is 231 (77) ml/kg/min. Technical difficulties in measuring aoic diameter accurately limit direct comparison between infants Reference: GHAI Essential pediatrics, 8th edition |
sciq | sciq_01_05054 | What type of starch is used for long-term energy storage in animal cells? | [
"rigid",
"fructose",
"glycogen",
"enzyme"
] | C | Starches are one of the more common polysaccharides. Starch is made up of a mixture of amylose (15–20%) and amylopectin (80–85%). Amylose consists of a linear chain of several hundred glucose molecules and amylopectin is a branched molecule made of several thousand glucose units. Starches can be digested by hydrolysis ... |
math_qa | mathqa_03_01133 | the average of 10 numbers is calculated as 46 . it is discovered later on that while calculating the average , the number 75 was incorrectly read as 25 , and this incorrect number was used in the calculation . what is the correct average ? | [
"48",
"51",
"60",
"71"
] | B | "the total sum of the numbers should be increased by 50 . then the average will increase by 50 / 10 = 5 . the correct average is 51 . the answer is b ." |
sciq | sciq_01_04781 | Anagen, catagen and telogen are phases in the growth of what, which involves the root and follicle? | [
"teeth",
"hair",
"bone",
"brain"
] | B | Hair Growth Hair grows and is eventually shed and replaced by new hair. This occurs in three phases. The first is the anagen phase, during which cells divide rapidly at the root of the hair, pushing the hair shaft up and out. The length of this phase is measured in years, typically from 2 to 7 years. The catagen phase ... |
sciq | sciq_01_11625 | Catalytic converters used on motor vehicles break down pollutants in what, yielding non-toxic compounds? | [
"intake",
"oil",
"exhaust",
"muffler"
] | C | Catalytic converters are used on motor vehicles. They break down pollutants in exhaust to non-toxic compounds. For example, they change nitrogen oxides to harmless nitrogen and oxygen gases. |
sciq | sciq_01_06999 | Which measure shows how individuals in a population are distributed, or spread throughout their area? | [
"geographical distribution",
"population phase",
"proportional distribution",
"population distribution"
] | D | Population density is an average measure. Often, individuals in a population are not spread out evenly. Instead, they may live in clumps or some other pattern. How individuals in a population are distributed, or spread throughout their area, is called population distribution. You can see different patterns of populatio... |
math_qa | mathqa_03_01863 | the ratio of the volumes of two cubes is 729 : 1331 . what is the ratio of their total surface areas ? | [
"81 : 121",
"81 : 126",
"81 : 189",
"81 : 176"
] | A | "ratio of the sides = ³ √ 729 : ³ √ 1331 = 9 : 11 ratio of surface areas = 92 : 112 = 81 : 121 answer : a" |
sciq | sciq_01_05695 | What are non-renewable sources of energy that produce environmental damage? | [
"fossil fuels",
"sunlight",
"crop fuels",
"wind"
] | A | Fossil fuels are non-renewable sources of energy that produce environmental damage. |
sciq | sciq_01_08537 | What term refers to the union of a male and female of the same species for reproduction? | [
"life cycle",
"behavior",
"evolution",
"mating"
] | D | Mating refers to the union of a male and female of the same species for reproduction. The relationship between mates varies by species. Adults may have many mates, or they may mate with just one individual. Mates may stay together only while mating, for an entire breeding season, or even for life. |
medmcqa | medmcqa_05_00011 | The most common congenital cardiac lesion identified at bih is | [
"ASD",
"VSD",
"PDA",
"Coarctation of Aoa"
] | B | Ventricular Septal Defect (VSD) This is the most common congenital cardiac lesion identified at bih accounting for one-quaer of all CHD. VSD is a communication between the two ventricles. 90% are located in the membranous pa of the ventricular septum with variable extension into the muscular septum. Others are located ... |
math_qa | mathqa_03_04859 | 6 wires are by average 80 cm long each . if the average length of one third of the wires is 70 cm , what is the average of the other wires ? | [
"75 .",
"85 .",
"90 .",
"94 ."
] | B | edit : given ( x 1 + x 2 . . . + x 6 ) / 6 = 80 ( x 1 + x 2 . . . + x 6 ) = 480 - - > eq 1 . now given avg length of one third wires is 70 . that means out 6 / 3 = 2 wires . let the avg length of two wires be ( x 1 + x 2 ) / 2 = 70 . ( x 1 + x 2 ) = 140 . - - > eq 2 . now we are asked to find the average of the remaini... |
openbookqa | obqa_02_02234 | Sweat is produced | [
"when sleeping peacefully at night",
"when on a long jog in sweltering weather",
"when sitting in a recliner in an air conditioned house",
"when sitting on the front porch on a breezy day"
] | B | when the body is hot , sweat is produced to cool the body |
sciq | sciq_01_11039 | What are the three most common protective devices? | [
"fuses, circuit breaks & surge protectors",
"fuses , circuit breaks & surge claws",
"tranistors, resistors & diodes",
"fuses , fabrication breaks & surge protectors"
] | A | There are multiple ways to prevent these situations from occurring. The three most common protective devices are fuses, circuit breakers, and surge protectors. |
math_qa | mathqa_03_01895 | if ( 20 ) ² is subtracted from the square of a number , the answer so obtained is 4321 . what is the number ? | [
"68'",
"69'",
"70'",
"71'"
] | B | x ^ 2 = 4321 + 400 = 4721 4761 = 69 * 69 x = 69 answer : b |
ARC-Challenge | arc_04_03202 | How do the sprouts of seeds buried in complete dark in the soil find their way to the surface of the soil? | [
"They grow toward light.",
"They grow toward surface warmth.",
"They grow opposite the direction of the bedrock.",
"They grow opposite the direction of the pull of gravity."
] | D | null |
math_qa | mathqa_03_04058 | a man is 24 years older than his son . in two years , his age will be twice the age of his son . the present age of his son is | [
"20 years",
"21 years",
"22 years",
"24 years"
] | C | "explanation : let the son ' s present age be x years . then , man ' s present age = ( x + 24 ) years = > ( x + 24 ) + 2 = 2 ( x + 2 ) = > x + 26 = 2 x + 4 so , x = 22 option c" |
medmcqa | medmcqa_05_03246 | To detect distant metastasis in pancreatic cancer the imaging modality which is BEST used is: | [
"MRCP",
"Dual phase, contrast-enhanced spiral CT",
"EUS",
"Positron-emission tomography with fluorodeoxyglucose positron emission tomography"
] | D | Dual phase, contrast-enhanced spiral CT is the imaging modality of choice in suspected case of pancreatic cancer. ERCP is useful for revealing stricture or obstruction in pancreatic or common bile ducts, and for stent placement. MRCP is a noninvasive method for accurately depicting pancreatic duct dilatation. EUS is hi... |
sciq | sciq_01_10648 | Because heating results in a greater fraction of molecules having the necessary kinetic energy to escape the surface of the liquid, what occurs more quickly when liquid is heated? | [
"evaporation",
"oxidation",
"expansion",
"absorption"
] | A | A given liquid will evaporate more quickly when it is heated. This is because the heating process results in a greater fraction of the liquid’s molecules having the necessary kinetic energy to escape the surface of the liquid. The Figure below shows the kinetic energy distribution of liquid molecules at two temperature... |
openbookqa | obqa_02_02461 | A dry bush may burst into flames due to | [
"raining skies",
"wetter air",
"higher temps",
"faster birds"
] | C | high temperatures can cause an object to combust |
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