ChapterV01:VCellularVBiology
TestVBank PageV1
, TestBankUnderstandingPathophysiology7thEdition
Huether&McCance:UnderstandingPathophysiology,7thEdition
MULTIPLEVCHOICES
1.AVstudentVisVobservingVaVcellVunderVtheVmicroscope.VItVisVobserved toVhaveVsupercoiledVDN
P
A wiVthVhistones.VWhichVofVtheVfollowingVwouldValsoVbeVobservedVbyVtheVstudent?
a.AVsingleVcircularVchromosome
b.AVnucleus
c.Free-floatingVnuclearVmaterial
d.NoVorganelles
ANS:VB
TheVcellVdescribedVisVaVeukaryoticVcell,VsoVitVhasVhistonesVandVaVsupercoiledVDNAVwithin i P
ts
nuVcleus;Vthus,VtheVnucleusVshouldVbeVobserved.VAVsingleVcircularVchromosomeVcalledVaVpr
o karyVoteVcontainsVfree-floatingVnuclearVmaterialVbutVhasVnoVorganelles.
REF:Vp.V2
2.AVnurseVisVinstructingVtheVstaffVaboutVcellularVfunctions.VWhichVcellularVfunctionVisVtheVnurseV
deVscribingVwhenVanVisolatedVcellVabsorbsVoxygenVandVusesVitVtoVtransformVnutrientsVtoVener
g y?
a.MetabolicVabsorption
b.Communication
c.Secretion
d.Respiration
ANS:VD
,TestVBank PageV2
, TestBankUnderstandingPathophysiology7thEdition
TheVcell’sVabilityVtoVabsorbVoxygenVisVreferredVtoVasVrespirationVwhileVitsVcommunicationVabilit
y
inVvolvesVmaintenanceVofVa steadyVdynamicVstate,VmetabolicVabsorption providesVnutrition,Vand
P P
V secrVetionVallowsVforVtheVsynthesizing ofVnewVsubstances.
P
REF:Vp.V2
3.AVeukaryoticVcellVisVundergoingVDNAVreplication.VInVwhichVregionVofVtheVcellVwouldVmostV
of thVeVgeneticVinformation beVcontained?
P
a.Mitochondria
b.Ribosome
c.Nucleolus
d.NucleusVCytoplasm
ANS:VC
TheVregionVofVtheVcellVthat containsVgeneticVmaterial,VincludingVaVlargeVamountVofVribonucle
P
ica cVid,Vmost ofVtheVDNA,Vand DNA-
P P
bindingVproteins,VisVtheVnucleolus,VwhichVisVlocatedVwithintheVcell’sVnucleus.VMitochondriaV
is
V aVssociatedVwithVcellularVrespiration,VwhileVribosomesVareVinvolvedVwithVproteinVmanufact
ur ing.VCytoplasm isVaVfluidVfillingVthatVisVaVcomponentVofVtheVcell.
P
REF:Vp.V2
4.WhichVofVtheVfollowing canVremoveVproteinsVattachedVtoVtheVcell’sVbilayerVbyVdissolvingVthe
P
laVyerVitself?
a.PeripheralVmembraneVproteins
b.IntegralVmembraneVproteins
c.Glycoproteins
d.CellVadhesionVmolecules
ANS:VB
ProteinsVdirectlyVattached toVtheVmembraneVbilayerVcanVbeVremoved byVtheVactionVofVintegra
P P
l
meVmbraneVproteinsVthatVdissolveVtheVbilayer.VPeripheralVmembraneVproteinsVresideVatVtheVs
u
rfaceVwhileVcellVadhesionVmoleculesVareVonVtheVoutsideVofVtheVmembrane.VGlycoproteinVma
rk sVcellsVaVndVdoesVnotVfloat.
REF:Vp.V7