Test Bank Understanding Pathophysiology 7th Edition by Sue Huether, Kathryn McCance Chapter 1-44|Complete Guide A+

, Understanding Pathophysiology 7th Edition Test Bank
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questions and answers
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ChapterK1.KCellularKBiology

MULTIPLEKCHOICE

1. AKstudentKisKobservingKaKcellKunderKtheKmicroscope.KItKisKobservedKtoKhaveKsupercoiledKDN
AKwithKhistones.KWhichKofKtheKfollowingKwouldKalsoKbeKobservedKbyKtheKstudent?

a. AKsingleKcircularKchromosome
b. AKnucleus
c. Free-floatingKnuclearKmaterial
d. NoKorganelles


ANS:KB

TheKcellKdescribedKisKaKeukaryoticKcell,KsoKitKhasKhistonesKandKaKsupercoiledKDNAKwithinKi
tsKnucleus;Kthus,KtheKnucleusKshouldKbeKobserved.

AKsingleKcircularKchromosomeKisKcharacteristicKofKprokaryoticKcells,KwhichKdoKnotKhaveKhistones.

Free-
floatingKnuclearKmaterialKdescribesKaKprokaryoticKcell,KwhichKwouldKnotKhaveKaKdistinctKnucleus.

EukaryoticKcellsKhaveKmembraneKboundedKcellularKcomponentsKcalledKorganelles.KNoKorganellesKdes
cribesKaKprokaryoticKcell.

2. AKnurseKisKinstructingKtheKstaffKaboutKcellularKfunctions.KWhichKcellularKfunctionKisKtheKnur
seKdescribingKwhenKanKisolatedKcellKabsorbsKoxygenKandKusesKitKtoKtransformKnutrientsKtoKener
gy?

a. MetabolicKabsorption
b. Communication
c. Secretion
d. Respiration

,ANS:KD

TheKabilityKofKtheKcellKtoKabsorbKoxygenKrefersKtoKtheKcellsKfunctionKofKrespiration.

TheKabilityKofKtheKcellKtoKfunctionKwithinKaKsocietyKofKcellsKrefersKtoKitsKfunctionKofKcommu
nication.

TheKabilityKofKtheKcellKtoKtakeKinKnutrientsKrefersKtoKtheKcellsKfunctionKofKmetabolicKabsorption.

TheKabilityKofKtheKcellKtoKsynthesizeKnewKsubstancesKandKsecreteKtheseKelsewhereKrefersKtoKtheKcel
lsKfunctionKofKsecretion.

3. AKeukaryoticKcellKisKundergoingKDNAKreplication.KInKwhichKregionKofKtheKcellKwouldKmostK
ofKtheKgeneticKinformationKbeKcontained?

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


ANS:KC

TheKregionKofKtheKcellKthatKcontainsKgeneticKmaterial,KincludingKaKlargeKamountKofKribonucleicKa
cid,KmostKofKtheKDNA,KandKDNA-bindingKproteins,KisKtheKnucleolus.

TheKmitochondriaKisKtheKsiteKofKcellularKrespiration.

TheKribosomesKareKinvolvedKinKmanufacturingKofKproteinsKwithinKtheKcell.

TheKnucleusKcontainsKtheKnucleolus,KandKitKisKtheKnucleolusKthatKcontainsKgeneticKmaterial.

4. TheKfluidKmosaicKmodelKforKbiologicKmembranesKdescribesKmembraneKbehavior.KAccordingKt
oKthisKmodel,KwhichKofKtheKfollowingKfloatKsinglyKorKasKaggregatesKinKtheKfluidKlipidKbilayer?

a. PeripheralKmembraneKproteins
b. IntegralKmembraneKproteins

, c. Glycoproteins
d. CellKadhesionKmolecules


ANS:KB

IntegralKmembraneKproteinsKfloatKfreelyKinKtheKfluidKlipidKbilayer.

PeripheralKmembraneKproteinsKareKnotKembeddedKinKtheKlayer,KbutKresideKatKtheKsurface.KGl

ycoproteinsKactK asKcellKsurfaceKmarkers.

CellKadhesionKmoleculesKareKonKtheKoutsideKofKtheKmembraneKandKallowKcellsKtoKhookKtogether.

5. WhichKofKtheKfollowingKcanKbindKtoKplasmaKmembraneKreceptors?

a. Oxygen
b. Ribosomes
c. AmphipathicKlipids
d. Ligands


ANS:KD

LigandsKareKspecificKmoleculesKthatKcanKbindKwithKreceptorsKonKtheKcellKmembrane.K

OxygenKmovesKbyKdiffusion;KitKdoesKnotKbindKtoKreceptors.

RibosomesKmakeKproteinsKandKareKnotKinvolvedKinKbindin

g.KAmphipathicKlipidsKareKaKportionKofKtheKcellKmembrane.

6. AKnurseKisKreviewingKaKreportKfromKaKpatientKwithKmetastaticKcancer.KWhatKfindingKwou
ldKsupportKtheKdiagnosisKofKmetastaticKcancer?KAlterationsKinKextracellularKmatrixKthatKincl
ude:

a. DecreasedKfibronectin
b. IncreasedKcollagen
c. DecreasedKelastin