TEST BANK FOR Understanding Pathophysiology, 4th Edition by Sue E. Huether and Kathryn L. McCance ISBN 9780323639088 ALL CHAPTERS COVERED 100 VERIFIED A+ GRADE ASSURED

TESTABANKAFORAUNDERSTANDINGAPATHOPHYSIOLOGY
Huether & McCance: Understanding Pathophysiology, 6th Edition
A A A A A A




Chapter 01: Cellular Biology
A A A




MULTIPLEACHOICE

1. AAstudentAisAobservingAaAcellAunderAtheAmicroscope.AItAisAobservedAtoAhaveAsupercoiledADN
AAwithAhistones.AWhichAofAtheAfollowingAwouldAalsoAbeAobservedAbyAtheAstudent?
a. AAsingleAcircularAchromosome
b. AAnucleus
c. Free-floatingAnuclearAmaterial
d. NoAorganelles
ANS:A B
TheAcellAdescribedAisAaAeukaryoticAcell,AsoAitAhasAhistonesAandAaAsupercoiledADNAAwithinAitsA
nucleus;Athus,AtheAnucleusAshouldAbeAobserved.AAAsingleAcircularAchromosomeAcalledAaAproka
ryoteAcontainsAfree-floatingAnuclearAmaterialAbutAhasAnoAorganelles.

REF:A p.A2

2. AAnurseAisAinstructingAtheAstaffAaboutAcellularAfunctions.AWhichAcellularAfunctionAisAtheAnurs
eAdescribingAwhenAanAisolatedAcellAabsorbsAoxygenAandAusesAitAtoAtransformAnutrientsAtoAener
gy?
a. MetabolicAabsorption
b. Communication
c. Secretion
d. Respiration
ANS:A D
TheAcell’sAabilityAtoAabsorbAoxygenAisAreferredAtoAasArespirationAwhileAitsAcommunicationAabilityAi
nvolvesAmaintenanceAofAaAsteadyAdynamicAstate,AmetabolicAabsorptionAprovidesAnutrition,AandAsec
retionAallowsAforAtheAsynthesizingAofAnewAsubstances.

REF:A p.A2

3. AAeukaryoticAcellAisAundergoingADNAAreplication.AInAwhichAregionAofAtheAcellAwouldAmostA
ofAtheAgeneticAinformationAbeAcontained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. NucleusACytoplasm
ANS:A C
TheAregionAofAtheAcellAthatAcontainsAgeneticAmaterial,AincludingAaAlargeAamountAofAribonucleic
Aacid,AmostAofAtheADNA,AandADNA-

bindingAproteins,AisAtheAnucleolus,AwhichAisAlocatedAwithinAtheAcell’sAnucleus.AMitochondriaAi
sAassociatedAwithAcellularArespiration,AwhileAribosomesAareAinvolvedAwithAproteinAmanufactur
ing.ACytoplasmAisAaAfluidAfillingAthatAisAaAcomponentAofAtheAcell.

REF:A p.A2

,TESTABANKAFORAUNDERSTANDINGAPATHOPHYSIOLOGY
Huether & McCance: Understanding Pathophysiology, 6th Edition
A A A A A A




Chapter 01: Cellular Biology
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4. WhichAofAtheAfollowingAcanAremoveAproteinsAattachedAtoAtheAcell’sAbilayerAbyAdissolvingAt
heAlayerAitself?
a. PeripheralAmembraneAproteins
b. IntegralAmembraneAproteins
c. Glycoproteins
d. CellAadhesionAmolecules
ANS:A B
ProteinsAdirectlyAattachedAtoAtheAmembraneAbilayerAcanAbeAremovedAbyAtheAactionAofAintegralA
membraneAproteinsAthatAdissolveAtheAbilayer.APeripheralAmembraneAproteinsAresideAatAtheAsur
faceAwhileAcellAadhesionAmoleculesAareAonAtheAoutsideAofAtheAmembrane.AGlycoproteinAmarks
AcellsAandAdoesAnotAfloat.




REF:A p.A7

5. WhichAofAtheAfollowingAcanAbindAtoAplasmaAmembraneAreceptors?
a. Oxygen
b. Ribosomes
c. AmphipathicAlipids
d. Ligands
ANS:A D
LigandsAareAtheAonlyAspecificAmoleculesAthatAcanAbindAwithAreceptorsAonAtheAcellAmembrane.

REF:A p.A9

6. AAnurseAisAreviewingAaAreportAfromAaApatientAwithAmetastaticAcancer.AWhatAalternationAinAt
heAextracellularAmatrixAwouldAs uN RrAtTAt hIe AdG
UpApSoAN iagnBo.
siC
sAofM
metastaticAcancer?
a. DecreasedAfibronectin
b. IncreasedAcollagen
c. DecreasedAelastin
d. IncreasedAglycoproteins
ANS:A A
OnlyAaAreducedAamountAofAfibronectinAisAfoundAinAsomeAtypesAofAcancerousAcells,AallowingAth
emAtoAtravelAorAmetastasize.

REF:A p.A10

7. WhichAformAofAcellAcommunicationAisAusedAtoArelateAtoAotherAcellsAinAdirectAphysicalAcontact?
a. CellAjunction
b. GapAjunction
c. Desmosome
d. TightAjunction

ANS:A A
CellAjunctionsAholdAcellsAtogetherAandApermitAmoleculesAtoApassAfromAcellAtoAcell.
GapAjunctionsAallowAforAcellularAcommunicationAbetweenAcells.ANeitherAdesmosomesAnorAtightAjun
ctionsAareAassociatedAwithAcellularAcommunication.

REF:A p.A11

,TESTABANKAFORAUNDERSTANDINGAPATHOPHYSIOLOGY
Huether & McCance: Understanding Pathophysiology, 6th Edition
A A A A A A




Chapter 01: Cellular Biology
A A A




8. PancreaticAbetaAcellsAsecreteAinsulin,AwhichAinhibitsAsecretionAofAglucagonAfromAneighborin
gAalphaAcells.AThisAactionAisAanAexampleAofAwhichAofAtheAfollowingAsignalingAtypes?
a. Paracrine
b. Autocrine
c. Neurohormonal
d. Hormonal
ANS:A A
ParacrineAsignalingAinvolvesAtheAreleaseAofAlocalAchemicalAmediatorsAthatAareAquicklyAtakenAu
p,Adestroyed,AorAimmobilized,AasAinAtheAcaseAofAinsulinAandAtheAinhibitionAofAtheAsecretionAofA
glucagon.ANoneAofAtheAotherAoptionsAinvolveAsignalingAthatAisAassociatedAwithAaAlocalAchemic
alAmediatorAlikeAinsulin.

REF:A p.A12

9. InAcellularAmetabolism,AeachAenzymeAhasAaAhighAaffinityAforAa:
a. solute.
b. substrate.
c. receptor.
d. ribosome.
ANS:A B
EachAenzymeAhasAaAhighAaffinityAforAaAsubstrate,AaAspecificAsubstanceAconvertedAtoAaAproductA
ofAtheAreaction.ACellularAmetabolismAisAnotAdependentAonAanAattractionAbetweenAanAenzymeAa
ndAanyAofAtheAremainingAoptions.

REF:A A p.A16

10. AnAathleteArunsAaAmarathon,AafterAwhichAhisAmusclesAfeelAfatiguedAandAunableAtoAcontract.ATh
eAathleteAasksAtheAnurseAwhyAthisAhappened.ATheAnurse’sAresponseAisAbasedAonAtheAknowledgeA
thatAtheAproblemAisAresultAofAaAdeficiencyAof:
a. GTP
b. AMP
c. ATP
d. GMP
ANS:A C
WhenAATPAisAdeficient,AimpairedAmuscleAcontractionAresults.ANoneAofAtheAotherAoptionsAareAi
nvolvedAinAmuscleAcontraction.

REF:A p.A16

11. WhichAphaseAofAcatabolismAproducesAtheAmostAATP?
a. Digestion
b. Glycolysis
c. Oxidation
d. CitricAacidAcycle

ANS:A D
WhileAsomeAATPAisAproducedAduringAtheAoxidationAandAglycolysisAphases,AmostAofAtheAATPAis

, TESTABANKAFORAUNDERSTANDINGAPATHOPHYSIOLOGY
Huether & McCance: Understanding Pathophysiology, 6th Edition
A A A A A A A




Chapter 01: Cellular Biology
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generatedAduringAtheAcitricAacidAcycle.ADigestionAdoesAnotAproduceAanyAATP.