ATI Science TEAS Exam with Answers (106 Solved Questions)

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ATI TEAS7Science Questions with Answers1.Which of the following structures in the male reproductive system secretes a fluid thatnourishes and protects sperm?A)UrethraB)Prostate glandC)VasdeferensD)Epididymis2.Which of thefollowing parts of the central nervous system releases chemicals that regulatethepituitary gland?A)CerebellumB)HypothalamusC)Spinal cordD)Thalamus3.Which of the following body systems is the primary system involved in preventing aninfectionwhen a cutin the skin allows bacteria to enter thebody ?A)The immune systemB)The endocrine systemC)The excretory systemD)The circulatory system4.Which of the followingskin layers contains dead cells?A)Papillary layerB)StratumbasaleC)StratumcorneumD)Reticular layer

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5.Which of the following statements describes how bile salts aid during digestion?A)Decrease the size of starches to aid in digestionB)Increase the size of fat droplets to aid in digestionC)Increase the size of starches to aid in digestionD)Decrease the size of fat droplets to aid in digestion6.Whenexperimental results seem to only partly support a hypothesis, a researcher shouldconsider which of the following?A)Formulating a scientific lawB)Manipulating the dataC)Exploring alternative explanationsD)Accounting forother researchers' biases7.Which of the following stem cells can differentiate into the largest number of different celltypes?A)SomaticB)UnipotentC)OligopotentD)Pluripotent8.Scientists rely on which of the following to provide critical feedback when revising scientificexplanation?A) Peer reviewB)Null hypothesisC)DogmaD)Opinion

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9.Whichof the following organs releases bicarbonate as response to therelease of secretin bythe duodenum?A)GallbladderB)SpleenC)PancreasD)Liver10.emphysemacaused by damage to alveoli from toxins and pollutants is likely to result in thebodyhaving difficultyperformingwhich of the followingactions ?A)Releasing histamine and acetylcholineB)Producing enzymesC)Absorbing foodD)Exchanging oxygen and carbon dioxide11.Which of the following properties of water explains its solvent abilities for certainsubstances?A)High surface tensionB)Kinetic energy of liquid water moleculesC)High specific heatD)Polarity of water molecules12.Which of the following pathways best represents the expected flow of blood from the humanheart to an organ?A)Blood pumped from the heart first enters arterioles that then merge to form arteries thatdeliver blood to the organB)Blood pumped from the heart first enters arteries that then narrow to form arteriolesthat deliver blood tocapillaries of the organ

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C)Blood pumped from the heart first enters veins that then narrow to formvenulesthat deliverblood toarteries of the organD)Blood pumped from the heart first enters arteries that then narrow to form veins that deliverblood to theorgan13.Usingthe equationpH=-log [H+], a solution with a [H+] =10^9 M has a pH of which of thefollowing?A)1B)5C)10D)914.Which of the following types of bonds link base pair nucleotides within a double strand ofDNA?A)CovalentB)PeptideC)IonicD)Hydrogen15.Metabolism is known as which of the following types of respiration?A)PulmonaryB)ExternalC)CellularD)Internal16.Which of the following regions of the body are the tibia and fibula?A)TarsalB)AntecubitalC)Crural

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D)Coxal17.Which of the following digestive system structures releases sodium bicarbonate into thesmall intestine, resulting ina changein the pH of chymefromacidic to basic?A)GallbladderB)PancreasC)LiverD)Appendix18.A cell is placed in a hypertonic solution. Which of the following describes the resultingosmosis?A)There is a net flow of water into the cellB)The net flow of water into and out of the cell is zero .C)There is no flow of water.D)There is a net flow of water out of the cell.19.Which of the following elements has the smallestatomic radius?A)SiB)CC)GeD)Sn20.An efficient way to block protein synthesis is by inhibiting which of the following?A)RibosomesB)GlyoxysomesC)ApoplastsD)Lysosomes

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21.A student conducts an experiment in which he dissolves1.0grams () each of severalsubstances in50 millimeters (mL)of water. He has 12 identicalplastic cups of water. Heplaces1.0 gof salt into three of thecups,1.0g ofsugarinto three of thecups, and 1.0gofbakingsoda into three of thecups. The three remaining cups contain only water. He placesall the cups in a freezer and records the temperatureof the water in each cup every15 minutesfor 4 hours.Which of the following questions is the student most likely investigating?A)How does the volume of water affect the rate at which it cools ?B)What effect does cooling have on the solubility of different solutes ?C)How is the cooling rate ofwater affected by different solutes ?D)What effect do different concentrations of solute have on the freezing point of water ?22.In a plant in whichfuzzyleaves(F)are dominant smooth leaves(f),which offollowingcrosses will produce only offspring with smooth leaves?A)FF X FFB)FfX FfC)ff X ffD)Ff X ff23.Which of the following is a function of the circulatory system?A)To manufacture antibodiesB)To break down toxinsC)To produce insulinD)To transport hormones24.In a double circulation system, which of the following describes a possible pathway of bloodflow through the pulmonarycirculatory system?

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A)Oxygenated blood flows toward the heart from the lungs.B)Deoxygenated blood flows from organs and tissuesof the body to the heart.C)Oxygenated blood flows throughout the body .D)Deoxygenated blood flows from the lungs to the heart25.A doctor explains that a patient has pulled a muscle in his back. Which of the followingcould injured ina patient'sback?A)LatissimusdorsiB)ZygomaticusC)AdductormagnusD)Gastrocnemius26.Which of the following hormones increases the heart rate in response to stress?A) EpinephrineB) InsulinC) TestosteroneD) Glutamate27.Histones are proteins associated with which of the following?A)Sperm cellsB)DNAC)Hair folliclesD)Blood28.Which of the following cellular organelles releases the energy contained in food?A)Golgi apparatusB)MitochondriaC)RibosomesD)Centrioles

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29.Which of the following describes a process that occurs along the proximal tubules of anephron?A)Glucose , lactate , and amino acids are reabsorbed.B)Toxins in the filtrate are detoxified .C)Urea is actively reabsorbed .D)Altered filtrate leaves the urinary system and the body .30.Which of the following is a function of the integumentary system?A)Storage of fatB)Release of mineralsC)Production of antibodiesD)Absorption of water31.Astudy found two processes , Process A and Process B, to be correlated . Which of thefollowing is true for these processes ?A)The study cannot indicate whether Process A and B have a negative relationship.B)The study indicates that Process A causes Process B.C)The study does not indicate acausal relationship between the processes .D)The study cannot indicate whether Process A and B have a positive relationship32.Which of the following types of cells suppress immune responses ?A)Regulatory T-cellsB)NeutrophilsC)PlasmacellsD)Macrophages33.Which of the following are the two major parts of the nervous system ?A)Autonomic nervous system and central nervous system

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