ATI TEAS 7 A&P and Biology PRACTICE QUESTIONS And Answers

ATI TEAS 7 A&P and Biology PRACTICE
QUESTIONS And Answers
________sissnotsnormallysfoundsinsurine,sandsitsspresencesmaysindicatesasproblemswithsthes
kidneys.
A.sAlbumin
B.sAmmonium
C.sUrea
D.sBilirubins20s-sCORRECTssANSWER-A.sAlbumin

Urea,sammonium,sandsdrugsmetabolitessaresmetabolicswastesscommonlyspresentsinsthesuri
ne.sBilirubinsissalsosaswastesproductsthatsissnormallyspresentsinsthesurine,sbutsatslowslevels.s(
Highslevelssofsbilirubinsindicatesdiseasesconditions.)

______________sissthesexchangesofsoxygensandscarbonsdioxidesacrosssthesalveolarsmem
brane.s-sCORRECTssANSWER-diffusion

Asbacteriascellsenterssthesbodysthroughsascutsinsthesskin.sWhichsofsthesfollowingsdescribesst
hesimmunesresponsesthatswouldsoccursnext?s
A.sCytotoxicsTscellssform
B.sHistaminessaresreleased.
C.sAntigenssaresreleased
D.sHelpersTscellssaresactivateds-sCORRECTssANSWER-B.sHistaminessaresreleased.

Asbody'sssecondslinesofsdefensesagainstsinvadingspathogenssinvolvessboths_____,swhichsin
itiatesalarmssignals,sands_____,swhichsactivateshelpersT-cells.
A.sBscells,sproteins
B.sAntibodies,sproteins
C.sMacrophages,sproteins
D.sMacrophages,santibodiess-sCORRECTssANSWER-D.sMacrophages,santibodies

Aslipidsorsfatsmoleculescansbesbrokensdownsintosfattysacidssands__________.s-
sCORRECTssANSWER-glycerol

Glycerolsandsfattysacidssaresthesmonomerssofslipidsorsfatsmolecules.

Aslungswithsaslowslevelsofscompliancescouldsbesbestsdescribedsass_____________.
A.saslungswithsnormalsfunction.
B.sasstiffslungsrequiringsextrasworkstosaccomplishsnormalsbreathing.
C.sashighlyselasticslungsallowingsbreathingsoccurswithsreducedswork.
D.sAslungswithsashighselasticitysbutswithsdamagedsalveoli.s-sCORRECTssANSWER-
B.sasstiffslungsrequiringsextrasworkstosaccomplishsnormalsbreathing

,Aspersonsjumpssafterstouchingsashotssurface.sWhichslayersofsthesskinswassresponsiblesforsst
imulatingsthissresponse?
A.sDermis
B.sHypodermis
C.sStratumsbasale
D.sStratumslucidums-sCORRECTssANSWER-A.sdermis

ActivationsofsBsandsTslymphocytessandsproductionsofsmemoryslymphocytessaresspecificscel
lularsresponsessbyswhichsofsthesfollowing?
A.sthesinternalsaspectsofsthesadaptivesimmunessystem
B.sPassivesimmunity
C.sThesinternalsaspectsofsthesinnatesimmunessystem
D.sAntibody-mediatedsimmunitys-sCORRECTssANSWER-
A.sthesinternalsaspectsofsthesadaptivesimmunessystem

Ansalphashelixsissformedsbyswhichstypesofsproteinsstructure?
A.sTertiary
B.sSecondary
C.sPrimary
D.sQuaternarys-sCORRECTssANSWER-B.sSecondary

Alphashelixsissformedsbyscoilingstwoschainssofsaspolypeptidesthatsaresconnectedstoseachsoth
ersbysweakshydrogensbonds.sThississastypesofssecondarysproteinsstructure.

Thesprimarysproteinsstructuresincludessaspolypeptideschain.
Thestertiarysproteinsstructureshassasthree-dimensionalsshape.
Thesquaternarysproteinsstructuresformssglobularsandsfibroussproteins.

Ansintracellularschemicalssignalscansbesproducedsinsthesmembrane.sOncesitsissproduced,sw
heresdoessitsgo?s

A.sTosasdifferentscell
B.sTosanotherspartsofsthessamescell
C.sTosasregionsrightsoutsidesthescell
D.sTosansareaswithsashighsionsconcentrations-sCORRECTssANSWER-
B.sTosanotherspartsofsthessamescell

Theresarestwosmajorstypessofsreceptorsmoleculessthatsrespondstosansintercellularschemicals
signal:
Intracellularsreceptors:sThesesreceptorssareslocatedsinseithersthescytoplasmsorsthesnucleuss
ofsthescell.sSignalssdiffusesacrosssthescellsmembranesandsbindstosthesreceptorssitessonsintra
cellularsreceptors,sofsthessamescell.
Membrane-
boundsreceptors:sThesesreceptorssextendsacrosssthescellsmembrane,swithstheirsreceptorssit

,essonsthesouterssurfacesofsthescellsmembrane.sTheysrespondstosintercellularschemicalssigna
lssthatsareslarge,swater-solublesmoleculessthatsdosnotsdiffusesacrosssthescellsmembrane.

anerobicsrespirations-sCORRECTssANSWER-Respirationsthatsdoessnotsrequiresoxygen

Atswhichssitesofsribosomessaresaminosacidsstransferredstosthesgrowingspolypeptideschain?
A.sPssite
B.sEssite
C.sAssite
D.sOssites-sCORRECTssANSWER-A.sPssite

Atswhichsstagesofsembryonicsdevelopmentsdospreliminarysfibroussmembranessandshyalines
cartilagesbeginstosundergosthesprocesssofsossifications(osteogenesis)?
A.s24thsors25thsweek
B.s2ndsors3rdsweek
C.s14thsors15thsweek
D.s6thsors7thsweeks-sCORRECTssANSWER-D.s6thsors7thsweek

ossificationsofsthesfibroussmembranessandshyalinescartilagesthatsformsduringsthesinitialsstag
esofsskeletalssystemsdevelopmentsstartssduringsthes6thsands7thsweeks

Becausesmusclescellssrequireslargesamountssofsenergystosfunctionscorrectly,swhichsorganel
lesswouldsbesabundantsinsthosestypessofscells?s-sCORRECTssANSWER-B.smitochondria

Blastocysts-sCORRECTssANSWER-Asfluid-
filledsspheresformedsabouts5sdayssaftersfertilizationsofsansovumsthatsissmadesupsofsansoutersr
ingsofscellssandsinnerscellsmass.sthississthesstructuresthatsimplantssinsthesendometriumsofsthe
suterus.

embryoblasts+strophoblast(placenta)

Bonessaresprimarilysmadesofs_____.
A.sChloride
B.sMagnesium
C.sSodium
D.sPhosphoruss-sCORRECTssANSWER-D.sPhosphorus

Cellsmembranesproteinssalsoshaves__________________sendssands_______________sin
sides.s-sCORRECTssANSWER-hydrophilic;shydrophobic

Cellulosesissansimportantsstructuralscomponentsofs:
A.scellsmembrane
B.sanimalscells
C.scellswallsofsplants
D.snucleuss-sCORRECTssANSWER-C.scellswallsofsplants

Choosesmultiplesfromsthesfollowingsliststhatspertainstosfibroussproteins:s

, A.santibodies
B.shemoglobin
C.scollagens
D.skeratin
E.shydrophobic
F.shydrophilics-sCORRECTssANSWER-C.sCollagen
D.sKeratin
E.shydrophobic

chromatinsswills___________sduringscellsdivisionstosformschromosomess-
sCORRECTssANSWER-condense




collectingsducts-sCORRECTssANSWER-
Thesportionsofsthesnephronswhereswatersreabsorptionsissregulatedsviasantidiureticshormone
s(ADH).sSeveralsnephronssemptysintoseachscollectingsduct,sandsthississthesfinalsregionsthrou

ghswhichsurinesmustspasssonsitsswaystosthesureter.

Eg.:sdehydratedspersonswillshavesverysconcentratedsurinesbecausesinterstitialsfluidsreabsor
bsassmuchswatersasspossible

Cytokiness-sCORRECTssANSWER-Hormone-
likeschemicalssfacilitatingscommunicationsbetweensbrainsandsimmunessystem.

Dehydrationssynthesiss(akascondensationsreaction)sisstheschemicalsreactionsthat:s
Selectsallsthatsapply.

A.srequiressenergys(endergonic)
B.sreleasessenergys(exergonic)
C.sremovesswaterstosformspolymers
D.sbreakssdownslargesmoleculessbysremovingswaters-sCORRECTssANSWER-
A.srequiressenergys(endergonic)
C.sremovesswaterstosformspolymers

Describesthescompositionsofsbloods-sCORRECTssANSWER-
plasma:swater,sproteins,snutrients,shormoness(55%sofsblood)
formedselements:s
buffyscoats(WBC's,splatelets),shematocrits(RBC's)

DescribesthesstructuresofsATPs-sCORRECTssANSWER-
A.sthesnitrogenoussbases(adenine),ssugars(ribose),sandsthreesphosphatesgroups

Diastolesissthestermsthatsdescribess_________,swhilessystolesrepresents_____________.
A.srelaxingsandsfilling;scontractionsandsejection
B.scontractionsandsfilling;srelaxingsandsejection
C.sreceivingsofstheselectricalsimpulsesfromsthesSAsnode;sventricularscontraction