TEAS Prep Questions

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TEAS PREPSCI ENCE1

TEAS SCIENCE SECTION 53 questions total. Only 47 questions scored. 63 minute time limit. Approximately 1.1 minutes perquestion. Graded using a scaled score.2

SCALED SCORING What is a scaled score? Percentage of questions you get rightis irrelevant. Percentage of people who took thesame test and got fewer questionsright does matter. It is not ‘how much you know’, it is ‘doyou know more than everyone else’.3

BREAKDOWN OF SCIENCE QUESTIONS Human Anatomy and Physiology (32 questions) Describe the general anatomy and physiology of a human.Describe the anatomy and physiology of the respiratory system.Describe the anatomy and physiology of the cardiovascular system.Describe the anatomy and physiology of the gastrointestinal system.Describe the anatomy and physiology of the neuromuscular system.Describe the anatomy and physiology of the reproductive system.Describe the anatomy and physiology of the integumentary system.Describe the anatomy and physiology of the endocrine system.Describe the anatomy and physiology of the genitourinary system.Describe the anatomy and physiology of the immune system.Describe the anatomy and physiology of the skeletal system. Describe the basic macromolecules in a biological system.Compare and contrast chromosomes, genes, and DNA.Explain Mendel’s laws of heredity.Recognize basic atomic structure.Explain characteristic properties of substances.Compare and contrast changes in states of matter.Describe chemical reactions. Identify basic scientific measurements using laboratory tools.Critique a scientific explanation using logic and evidence.Explain relationships among events, objects, and processes.Analyze the design of a scientific investigation. Life and Physical Sciences (8 questions) Scientific Reasoning (7 questions)4

METRIC PREFIXES5

EXAMPLE OF UNIT CONVERSION FACTORS(EQUIVALENCIES)A unit conversion factor is a ratio of one unit ofmeasurement to another unit of measurement.They can be written as fractions or equivalencies.1𝑚100 𝑐𝑚100 𝑐𝑚1𝑚0.01 𝑚1 𝑐𝑚1 𝑐𝑚0.01 𝑚6

Unit Conversion Using EquivalenciesAn international group of zookeepers with successful breeding programs made thefollowing animal exchanges last year. Using the same bartering system, how manyoryxes can a zoo obtain in exchange for 15 flamingos?Step 1 Given 15 flamingos Need oryxesStep 2 Plan flamingos anteaters camels lemurs rhinos oryxesStep 3 Conversion Factors15 flamingos1 anteater2 flamingos1 camel6 anteaters3 lemurs1 camel1 rhino5 lemurs4 oryxes1 rhino 3 oryxes7

ANATOMY ANDPHYSIOLOGY8

1.) Exchange of gases occurs in which of thefollowing structures of the aPleura9

2.) Which of the following composes therings that support the trachea?a)b)c)d)Spongy boneFibrous ligamentsElastic tendonsHyaline cartilage10

3.) Which of the following occurs if theepiglottis does not function properly?a) The client is unable to recall recent eventsb) The client coughs because food goes into thetracheac) The client cannot produce hormones from thepancreasd) The client becomes reproductively sterile11

4.) Through which of the following doesblood pass after leaving the right ventricleduring contraction of the heart?a)b)c)d)AortaPulmonary ArteryVena cavaMitral valve12

5.) After passing through the stomach, foodcontinues into which of the followingdigestive structures?a)b)c)d)DuodenumJejunumIleumCecum13

6.) Breakdown of which of the followingbegins in the small intestine?a)b)c)d)ProteinFatsFiberCarbohydrates14

7.) Muscular tissue includes all of thefollowing EXCEPT:a)b)c)d)Skeletal muscleNervous muscleCardiac muscleSmooth muscle15

8.) Which of the following activities is mostlikely controlled by the nervous system?a)b)c)d)Remove heat from the bloodRegulate blood pressureProvide nutrients to various parts of the bodyControl muscle growth16

9.) Which of the following nervous systemsdirects the skeletal muscles to respond inthe body’s fight-or-flight athetic17

10.) Which of the following structures isresponsible for egg production?a)b)c)d)VaginaFallopian tubesOvariesUterus18

11.) The reproductive system works withother organ systems by:a) Influencing bone growth and formb) Releasing hormones that influence musclestrengthc) Controlling the pituitary glandd) Removing some wastes from the lymphaticsystem19

12.) Which of the following integumentarystructures produces sweat?a)b)c)d)Sudoriferous glandsSebaceous glandsCeruminous glandsMammary glands20

13.) The adrenal glands are part of thea)b)c)d)Empathic systemEndocrine systemImmune systemRespiratory system21

14.) The pancreas is a component of whichof the following 2

15.) Which of the following endocrine organsproduces insulin?a)b)c)d)ThyroidPituitaryAdrenal glandPancreas23

16.) Which of the following structures storesurine before excretion?a)b)c)d)KidneysUretersBladderUrethra24

17.) Which of the following is the region ofthe kidney that contains the glomerulus ofthe nephron?a)b)c)d)MedullaPelvisCortexAdrenal25

18.) Which of the following parts of the adultbody makes white blood cells?a)b)c)d)ThymusBone marrowAdenoid glandsLiver26

19.) The spleen and thoracic duct are partsof which of the following ary27

20.) Which group of major parts and organsmake up the immune system?a) Lymphatic system, spleen, tonsils, thymus andbone marrowb) Brain, spinal cord, and nerve cellsc) Heart, veins, arteries, and capillariesd) Nose, trachea, bronchial tubes, lungs, alveolus,and diaphragm28

21.) Which of the following bones supportsthe tongue and is the only bone in the bodynot anchored to other bones?a)b)c)d)PatellaCoccyxHyoidScapula29

LIFE AND PHYSICALSCIENCES30

22.) Which of the following statement correctlycompares prokaryotic and eukaryotic cells?a) Prokaryotic cells do not contain organelles,eukaryotic cells do.b) Both prokaryotic and eukaryotic cells have amembrane.c) Prokaryotic cells have a true nucleus, eukaryoticcells do not.d) Prokaryotic cells are more complex thaneukaryotic cells.31

23.) When does the nuclear division of somaticcells take place during cellular itosis32

24.) Which of the following is needed forcellular waste i Apparatus33

25.) What is the role of ribosomes?a)b)c)d)Make proteinsWaste removalTransportStorage34

26.) What is the longest phase of the cell e.35

27.) If a cell is placed in a hypertonic solution,what will happen to the cell?a)b)c)d)It will swell.It will shrink.It does not affect the cell.It will stay the same.36

28.) Which of the following correctly lists thecellular hierarchy from the simplest to the mostcomplex structure?a)b)c)d)Tissue, cell, organ, organ system organismCell, tissue, organ, organ system, organismOrganism, organ system, organ, tissue, cellOrgan system, organism, organ, tissue cell37

29.) What are groups of cells that perform thesame function called?a)b)c)d)tissuesmoleculesplastidsorgans38

30.) Which of the following is an example of atissue?a)b)c)d)livermammalhamstringxylem39

31.) Which of the following by-products ofcellular respiration is used by autotrophs inthe production of glucose?a)b)c)d)ATPCarbon dioxideChlorophyllOxygen40

32.) Which of the following is the term givento multiple forms of a gene that areproduced by mutation?a)b)c)d)AdaptationDNAAlleleNatural Selection41

33.) Nucleotides are to DNA as amino acidsare to .a)b)c)d)ProteinsRibosomesRNACells42

34.) Which of the following describes how aPunnett square can help predict thegenotype of the offspring if the alleles ofboth parents are known?a) Provides information of dominant traits in the parentsb) Shows what genotypes are possible in the offspringc) Provides probabilities of getting an incompletedominanced) Show exactly what genotypes will occur in theoffspring43

B alleles for brown eyes; g alleles for green eyes35.) Which word describes the allele for cessive44

B alleles for brown eyes; g alleles for green eyes36.) What is the possibility that the offspringproduced will have brown eyes?a)b)c)d)25%75%50%100%.45

37.) A substance with a pH of 7 whendissolved in water is:a)b)c)d)A strong acidA weak baseA neutral saltA weak acid46

38.) An unknown element is found to contain45 protons and an atomic mass of 64, whatis its atomic number:a)b)c)d)It cannot be determined19456447

39.) Water undergoes relatively minortemperature and phase changes comparedto other substances due to both its:a)b)c)d)Low specific heat and low heat of vaporizationLow specific heat and high heat of vaporizationHigh specific heat and low heat of vaporizationHigh specific heat and high heat of vaporization48

40.) One group of chemical elementsreferred to as a family has gram atomicweights of approximately 19, 35.5, 79.9 and126.9. If one of these elements is a solid atroom temperature, its gram atomic weightmust be:a)b)c)d)1935.579.9126.949

41.) Which of the answer choices provided bestdefines the following statement?For a given mass and constant temperature, aninverse relationship exists between the volumeand pressure of a gas?a)b)c)d)Charles’ Law.Ideal Gas Law.Boyle’s Law.Stefan-Boltzmann Law50

42.) The rate of a chemical reaction dependson all of the following excepta)b)c)d)presence of catalysts.temperature.surface area.amount of mass lost.51

43.) Which of the following is exchangedbetween two or more atoms that undergo ionicbonding?a)b)c)d)Transitory electronsElectrical chargesValence electronsNeutrons52

44.) Which of the following formulas bestsummarizes a single replacement reaction?a)b)c)d)A B ABAB C AC BAB CD AD CBAB A B53

CH4 O2 CO2 H2O45.) Which of the following correctlybalances the combustion reaction above?a)b)c)d)CH4 O2 CO2 H2OCH4 3O CO 2H2OCH4 O2 CO2 2H2OCH4 2O2 CO2 2H2O54

46.) When an automobile traveling at 60miles per hour is brought to a rapid stop, thetwo types of energy most involved area)b)c)d)Potential and heatPotential and kineticKinetic and chemicalKinetic and heat55

SCIENTIFIC REASONING56

Robert Koch, a German physician, helped to establishthe Germ Theory of Infectious Disease by a chain ofpostulates that bear his name. The postulatesdemonstrated that a specific pathogen was capable ofgenerating disease in a human host. Koch’s Postulatesentailed: (1) recovering a suspected pathogen from adiseased host, (2) growing the pathogen on a culturemedium, (3) isolating the pathogen, (4) establishing thepathogen’s identity.47.) What is the most logical step (5) of the postulate?a) Inject the isolated pathogen into a diseased host todetermine if its condition worsens.b) Inject the isolated pathogen into a heathy host andmonitor for signs and symptoms of diseasec) Serially dilute the pathogen and see if it will continueto grow in pure cultured) None of the above57

48.) Pathogenic bacteria stimulate therelease of macrophages which releaseinterleukins that activate prostaglandins. Thiscauses a rise in body temperature (fever).The best experimental protocol based onKoch’s theory is to test the hypothesis thatacetyl salicylic acid (aspirin) reduces feveris to treat:a) One patient with 6 x 102 mg aspirin. Take his/hertemperature initially and every hour for six hours.b) Six patients with 6 x 102 mg aspirin and follow the sameprotocol as in option a.c) Six patients with 6 x 102 mg aspirin and check theirtemperatures in 5 minutes.d) Six patients and check their temperatures in 24 hours.58

49.) Which of the following is consideredleast useful in conducting quantitativescientific research?a)b)c)d)Modeling dataApplying empirical formulasUsing highly precise measurement toolsRecording qualitative observations59

Soil SamplesNutrientSample 1Sample 2NitratesYesYesPhosphatesYesNo50.) A student is testing the materials in twodifferent soil samples. Which of the followingassumptions can be inferred from the datapresented in the table?a)Different soils contain different nutrientsb)Sample 1 is the best soilc) Nitrates are more frequently found in soil thanare phosphatesd)Most plants thrive in nitrate-rich soil60

51.) In a medication study, population A isgiven the medication, and population B isgiven a placebo. Which of the followingdescribes population B?a)b)c)d)Control groupTreatment groupDependent variableIndependent variable61

52.) A student measures 2,000 mL ofwater into a cylinder. If water has amass of 1 g/mL, which of the following isthe approximate mass of the water?a)b)c)d)200 mg2g200 cg20 hg62

53.) Which is an example of deductivereasoning?a) Only 21% of a town’s population have expressed a desire toban all cars. Therefore, the new proposition banning cars in thestate is not likely to pass.b) People who brush their teeth regularly have fewer instances ofheart disease . Therefore, good dentistry can prevent heartattacks.c) All soccer players who play professionally can kick well.Therefore, any future soccer player who is recruited to playprofessionally will be able to kick well.d) All secretaries are good typists. Cynthia is a secretary. Therefore,she is a good typist.63

EXTRA QUESTIONS64

54.) The spleen functions are part ofthe system.a)Digestiveb)Lymphaticc) Endocrined)Circulatory65

55.) Which of the following is apossible cause of herniateddiscs.a)hepatitisb)whiplashc) Plantar fasciitisd)ulcer66

56.) Which of the following is acharacteristic of the autonomic nervoussystem?a) It regulates the voluntary control of bodymovements through the skeletal muscles.b) It is part of the nervous system consisting of thebrain and spinal chord.c) It regulates involuntary activity in the heart,stomach, lungs, and intestines.d) It is thought to be the center of intelligence.67

57.) During photosynthesis, whichtwo compounds are combinedto create the output of glucoseand oxygen?a)Carbon dioxide and water.b)Carbon dioxide andbicarbonatec) Bicarbonate and waterd)Carbon dioxide andmultiple alkalinesubstances.68

58.) What type of bond betweenthe complimentary bases of DNAstabilizes the double helixstructure?a)covalentb)ionicc) hydrogend)nuclear69

59.) Which of the followingsubatomic particles are foundinside of an atom’s nucleus?a)Electrons, neutrons, protonsb)Neutrons, protonsc) Electrons, protonsd)electrons70

60.) Which of the following statements istrue regarding trophic levels?a)Tertiary consumers acquiremore energy content thansecondary consumers.b)Producers acquire lessenergy than primaryconsumers.c) Secondary consumersacquire more energy thanprimary consumers.d)Tertiary consumers acquireless energy than primaryconsumers.71

61.) Why does the human eye perceive ared colored dress as the color red?a)The molecules of the dress do not absorb redlight wavelengths.b)The molecules of the dress absorb green andblue light wavelengths.c) A red dress will primarily absorb red lightwavelengths.d)A red dress will not absorb light wavelengths fromnon-red colors.72

62.) In a lab experiment designed to testthe rate at which plants grow underartificial light, the kind of light used iswhich type of variable?a)dependentb)independentc) randomd)responding73

63.) Which organ system is primarilyresponsible for regulating metabolism,mood, and growth?a)respiratoryb)endocrinec) digestived)lymphatic74

64.) In a vacuum, why doesn’t anelephant accelerate faster than a pennyas it falls to the ground?a)Vector components of an elephant are morecomplex than those of a pennyb)An elephant is not a projectile, while a penny isc) They both have an acceleration of 9.8 m/s 2d)The elephant is greater in mass but is slowed lessby the effects of air resistance.75

65.) Which train described below wouldhave the greatest momentum?a)A 9500 kg train car moving at 200 mphb)An 8000 kg train car moving at 215 mphc) An 9300 kg train car moving at 190 mphd)An 8600 kg train car moving at 195 mph76

66.) A scientist found that when an invasivespecies was introduced into a river, thepopulation of salmon native to the regiondecreased. The type of correlation betweenthese two populations could be described asa)A direct correlationb)An inverse correlationc) A direct and indirect relationshipd)No decisive relationship77

67.) The addition of a catalyst to chemicalreaction will have what effect?a)Increase the energy required for the reaction totake place.b)Increase the time required for the reaction totake place.c) Increase the rate at which the reaction takesplace.d)Reduce the amount of products in the reaction.78

68.) The pharynx is part of what bodysystem?a)respiratoryb)muscularc) lymphaticd)circulatory79

69.) Which of the following is true abouteukaryotic cells?a)They do not contain lysosomesb)They contain one chromosomec) They do not contain a nucleusd)They contain mitochondria80

70.) What characteristic of an elementdetermines its specific isotope?a)Number of protonsb)Number of neutronsc) Number of electronsd)Number of quarks81

71.) What is not true about RNA?a)It contains a sugar called riboseb)Thymine is not one of its base pairingsc) It is unstable in alkaline conditionsd)Its sugar is more reduced than DNA’s sugar82

72.) Which of the scenarios would NOTgive a normal distribution?a)A distribution of the yearly income of families inthe USb)The distribution of heights in a large sample ofpeople.c) The percentage of toxic wastes and pollution inthe atmosphere vs. the lifespan of organisms inthe location.d)A curve with 97% of the population within the firsttwo standard deviations.83

73.) In a cell, the Golgi apparatus is foundin what location?a)Inside the nucleusb)Inside mitochondriac) In the cell walld)In the cytoplasm84

74.) Which taxonomy rank is the nextsmallest after Order?a)Phylumb)Familyc) Speciesd)Genus85

75.) In plants involves theformation of a ?a)Cytokinesis, cleavage furrowb)Telophase, cell platec) Cytokinesis, cell plated)Prophase, DNA86

76.) Which base is NOT found in DNA?a)guanineb)cytosinec) uracild)adenine87

77.) Which of the following layers of theatmosphere is the closest to space?a)troposphereb)stratospherec) mesosphered)thermosphere88

78.) Which is NOT one of the four basictypes of tissue?a)parenchymab)epithelialc) nervousd)connective89

79.) The stomach is to the smallintestine.a)lateralb)superiorc) posteriord)proximal90

80.) Which of the following is the atomicmass of an atom containing 42 protons,42 electrons and 37 neutrons?a)42b)79c) 84d)12191

81.) A patient who has suffered headtrauma is not able to recognize peoplehe has met around an hour earlier but isstill able to recognize people he metbefore the injury. He most likely hasdamage to the:a)Medulla oblongatab)Corpus callosumc) Hippocampusd)Pituitary gland92

82.) Of the following, which is not a typeof chemical bond?a)Ionicb)covalentc) polard)magnetic93

83.) If the amount of hydrogen in aballoon of fixed size is doubled, whathappens to the mass and density of theballoon?a)The mass and density both decreaseb)The mass increases but the density decreasesc) The mass decreases but the density increasesd)The mass and density both increase94

84.) If you have 200 mL of a 60% sodiumchloride solution, how much NaCl isdissolved in the solution?a)20 gb)50 gc) 80 gd)120 g95

85.) A scientist wants to write an equationusing the variables X, Y, and Z. What is theproper relationship between the variablesif X represen

Human Anatomy and Physiology (32 questions) Describe the general anatomy and physiology of a human. Describe the anatomy and physiology of the respiratory system. Describe the anatomy and physiology of the cardiovascular system. Describe the anatom

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