Understanding Pathophysiology 7th Edition Test Bank – Huether, McCance & Brashers

TestCBankCUnderstandingCPathophysiologyC7thCEdition




ChapterC01:CCellularCBiology

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, TestCBankCUnderstandingCPathophysiologyC7thCEdition
Huether & McCance: Understanding Pathophysiology, 7th Edition
C C C C C C




MULTIPLECCHOICES


1. ACstudentCisCobservingCaCcellCunderCtheCmicroscope.CItCisCobserved toChaveCsupercoiledCDNA
P




wiCthChistones.CWhichCofCtheCfollowingCwouldCalsoCbeCobservedCbyCtheCstudent?
a. ACsingleCcircularCchromosome
b. ACnucleus
c. Free-floatingCnuclearCmaterial
d. NoCorganelles

ANS:C B
TheCcellCdescribedCisCaCeukaryoticCcell,CsoCitChasChistonesCandCaCsupercoiledCDNACwithin itsn
P




uCcleus;Cthus,CtheCnucleusCshouldCbeCobserved.CACsingleCcircularCchromosomeCcalledCaCprok
aryCoteCcontainsCfree-floatingCnuclearCmaterialCbutChasCnoCorganelles.


REF:Cp.C2


2. ACnurseCisCinstructingCtheCstaffCaboutCcellularCfunctions.CWhichCcellularCfunctionCisCtheCnurseCd
eCscribingCwhenCanCisolatedCcellCabsorbsCoxygenCandCusesCitCtoCtransformCnutrientsCtoCenergy
?
a. MetabolicCabsorption
b. Communication
c. Secretion
d. Respiration

ANS:CD




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, TestCBankCUnderstandingCPathophysiologyC7thCEdition
TheCcell’sCabilityCtoCabsorbCoxygenCisCreferredCtoCasCrespirationCwhileCitsCcommunicationCabilityi
nCvolvesCmaintenanceCofCa steadyCdynamicCstate,CmetabolicCabsorption providesCnutrition,CandCs
P P




ecrCetionCallowsCforCtheCsynthesizing ofCnewCsubstances.
P




REF:Cp.C2


3. ACeukaryoticCcellCisCundergoingCDNACreplication.CInCwhichCregionCofCtheCcellCwouldCmostCoft
hCeCgeneticCinformation beCcontained?
P




a. Mitochondria
b. Ribosome
c. Nucleolus
d. NucleusCCytoplasm

ANS:C C
TheCregionCofCtheCcellCthat containsCgeneticCmaterial,CincludingCaClargeCamountCofCribonucleicac
P




Cid,Cmost ofCtheCDNA,Cand DNA-
P P




bindingCproteins,CisCtheCnucleolus,CwhichCisClocatedCwithintheCcell’sCnucleus.CMitochondriaCisC
aCssociatedCwithCcellularCrespiration,CwhileCribosomesCareCinvolvedCwithCproteinCmanufacturi
ng.CCytoplasm isCaCfluidCfillingCthatCisCaCcomponentCofCtheCcell.
P




REF:Cp.C2

4. WhichCofCtheCfollowing canCremoveCproteinsCattachedCtoCtheCcell’sCbilayerCbyCdissolvingCthel
P




aCyerCitself?
a. PeripheralCmembraneCproteins
b. IntegralCmembraneCproteins
c. Glycoproteins
d. CellCadhesionCmolecules

ANS:C B
ProteinsCdirectlyCattached toCtheCmembraneCbilayerCcanCbeCremoved byCtheCactionCofCintegralm
P P




eCmbraneCproteinsCthatCdissolveCtheCbilayer.CPeripheralCmembraneCproteinsCresideCatCtheCsurfa
ceCwhileCcellCadhesionCmoleculesCareConCtheCoutsideCofCtheCmembrane.CGlycoproteinCmarksCce
llsCaCndCdoesCnotCfloat.


REF:Cp.C7


5. WhichCofCtheCfollowingCcanCbind toCplasmaCmembraneCreceptors?
P




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, TestCBankCUnderstandingCPathophysiologyC7thCEdition
a. Oxygen
b. Ribosomes
c. AmphipathicClipids
d. Ligands

ANS:C D
LigandsCareCtheConlyCspecificCmoleculesCthatCcanCbindCwithCreceptorsCon theCcellCmembrane.
P




REF:Cp.C9


6. ACnurseCis reviewingCaCreportCfromCaCpatientCwithCmetastaticCcancer.CWhatCalternation inCthee
P P




xCtracellularCmatrixCwouldCsuNppUoRrtSthIeNdG
iaT
gnBo.
si C
s o f Mmetastatic Ccancer?
P




a. Decreased fibronectinP



b. IncreasedCcollagen
c. Decreased elastin P



d. Increased glycoproteins
P




ANS:C A
OnlyCaCreducedCamountCofCfibronectinCisCfoundCinCsomeCtypesCofCcancerousCcells,Callowingt
hCemCtoCtravelCorCmetastasize.


REF:Cp.C10


7. WhichCformCofCcellCcommunicationCis usedCtoCrelateCtoCotherCcellsCinCdirectCphysicalCcontact?
P



a. CellCjunction
b. GapCjunction
c. Desmosome
d. Tight junction
P




ANS:C A
CellCjunctionsCholdCcellsCtogetherCandCpermitCmoleculesCtoCpassCfromCcellCtoCcell.
Gap junctionsCallowCforCcellularCcommunicationCbetweenCcells.CNeitherCdesmosomesCnorCtightjuCncti
P




onsCareCassociatedCwithCcellularCcommunication.


REF:Cp.C11




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