, Understanding Pathophysiology8th Edition Test Bank
fd fd fd fd
Chapterfd1.fdCellularfdBiology
MULTIPLEfdCHOICE
1. Afdstudentfdisfdobservingfdafdcellfdunderfdthefdmicroscope.fdItfdisfdobservedfdtofdhavefdsupercoiledfdD
NAfdwithfdhistones.fdWhichfdoffdthefdfollowingfdwouldfdalsofdbefdobservedfdbyfdthefdstudent?
a. Afdsinglefdcircularfdchromosome
b. Afdnucleus
c. Free-floatingfdnuclearfdmaterial
d. Nofdorganelles
ANS:fdB
Thefdcellfddescribedfdisfdafdeukaryoticfdcell,fdsofditfdhasfdhistonesfdandfdafdsupercoiledfdDNAfdwithinfditsfdnuc
leus;fdthus,fdthefdnucleusfdshouldfdbefdobserved.
Afdsinglefdcircularfdchromosomefdisfdcharacteristicfdoffdprokaryoticfdcells,fdwhichfddofdnotfdhavefdhistone
s.
Free-
floatingfdnuclearfdmaterialfddescribesfdafdprokaryoticfdcell,fdwhichfdwouldfdnotfdhavefdafddistinctfdnucleus.
Eukaryoticfdcellsfdhavefdmembranefdboundedfdcellularfdcomponentsfdcalledfdorganelles.fdNofdorganellesf
d describesfdafdprokaryoticfdcell.
2. Afdnursefdisfdinstructingfdthefdstafffdaboutfdcellularfdfunctions.fdWhichfdcellularfdfunctionfdisfdthefdnu
rsefddescribingfdwhenfdanfdisolatedfdcellfdabsorbsfdoxygenfdandfdusesfditfdtofdtransformfdnutrientsfdtofde
nergy?
a. Metabolicfdabsorption
b. Communication
c. Secretion
d. Respiration
,ANS:fdD
Thefdabilityfdoffdthefdcellfdtofdabsorbfdoxygenfdrefersfdtofdthefdcellsfdfunctionfdoffdrespiration.
Thefdabilityfdoffdthefdcellfdtofdfunctionfdwithinfdafdsocietyfdoffdcellsfdrefersfdtofditsfdfunctionfdoffdcommuni
cation.
Thefdabilityfdoffdthefdcellfdtofdtakefdinfdnutrientsfdrefersfdtofdthefdcellsfdfunctionfdoffdmetabolicfdabsorption.
Thefdabilityfdoffdthefdcellfdtofdsynthesizefdnewfdsubstancesfdandfdsecretefdthesefdelsewherefdrefersfdtofdthefdc
ellsfdfunctionfdoffdsecretion.
3. AfdeukaryoticfdcellfdisfdundergoingfdDNAfdreplication.fdInfdwhichfdregionfdoffdthefdcellfdwouldfdmost
offdthefdgeneticfdinformationfdbefdcontained?
fd
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS:fdC
Thefdregionfdoffdthefdcellfdthatfdcontainsfdgeneticfdmaterial,fdincludingfdafdlargefdamountfdoffdribonucleic
fd acid,fdmostfdoffdthefdDNA,fdandfdDNA-bindingfdproteins,fdisfdthefdnucleolus.
Thefdmitochondriafdisfdthefdsitefdoffdcellularfdrespiration.
Thefdribosomesfdarefdinvolvedfdinfdmanufacturingfdoffdproteinsfdwithinfdthefdcell.
Thefdnucleusfdcontainsfdthefdnucleolus,fdandfditfdisfdthefdnucleolusfdthatfdcontainsfdgeneticfdmaterial.
4. Thefdfluidfdmosaicfdmodelfdforfdbiologicfdmembranesfddescribesfdmembranefdbehavior.fdAccordingfd
tofdthisfdmodel,fdwhichfdoffdthefdfollowingfdfloatfdsinglyfdorfdasfdaggregatesfdinfdthefdfluidfdlipidfdbilayer?
a. Peripheralfdmembranefdproteins
b. Integralfdmembranefdproteins
, c. Glycoproteins
d. Cellfdadhesionfdmolecules
ANS:fdB
Integralfdmembranefdproteinsfdfloatfdfreelyfdinfdthefdfluidfdlipidfdbilayer.
Peripheralfdmembranefdproteinsfdarefdnotfdembeddedfdinfdthefdlayer,fdbutfdresidefdatfdthefdsurface.fdGlycopr
oteinsfdactfdasfdcellfdsurfacefdmarkers.
Cellfdadhesionfdmoleculesfdarefdonfdthefdoutsidefdoffdthefdmembranefdandfdallowfdcellsfdtofdhookfdtogether.
5. Whichfdoffdthefdfollowingfdcanfdbindfdtofdplasmafdmembranefdreceptors?
a. Oxygen
b. Ribosomes
c. Amphipathicfdlipids
d. Ligands
ANS:fdD
Ligandsfdarefdspecificfdmoleculesfdthatfdcanfdbindfdwithfdreceptorsfdonfdthefdcellfdmembrane.fdOx
ygenfdmovesfdbyfddiffusion;fditfddoesfdnotfdbindfdtofdreceptors.
Ribosomesfdmakefdproteinsfdandfdarefdnotfdinvolvedfdinfdbindin
g.fdAmphipathicfdlipidsfdarefdafdportionfdoffdthefdcellfdmembran
e.
6. Afdnursefdisfdreviewingfdafdreportfdfromfdafdpatientfdwithfdmetastaticfdcancer.fdWhatfdfindingfdwo
uldfdsupportfdthefddiagnosisfdoffdmetastaticfdcancer?fdAlterationsfdinfdextracellularfdmatrixfdthatfdin
clude:
a. Decreasedfdfibronectin
b. Increasedfdcollagen
c. Decreasedfdelastin
fd fd fd fd
Chapterfd1.fdCellularfdBiology
MULTIPLEfdCHOICE
1. Afdstudentfdisfdobservingfdafdcellfdunderfdthefdmicroscope.fdItfdisfdobservedfdtofdhavefdsupercoiledfdD
NAfdwithfdhistones.fdWhichfdoffdthefdfollowingfdwouldfdalsofdbefdobservedfdbyfdthefdstudent?
a. Afdsinglefdcircularfdchromosome
b. Afdnucleus
c. Free-floatingfdnuclearfdmaterial
d. Nofdorganelles
ANS:fdB
Thefdcellfddescribedfdisfdafdeukaryoticfdcell,fdsofditfdhasfdhistonesfdandfdafdsupercoiledfdDNAfdwithinfditsfdnuc
leus;fdthus,fdthefdnucleusfdshouldfdbefdobserved.
Afdsinglefdcircularfdchromosomefdisfdcharacteristicfdoffdprokaryoticfdcells,fdwhichfddofdnotfdhavefdhistone
s.
Free-
floatingfdnuclearfdmaterialfddescribesfdafdprokaryoticfdcell,fdwhichfdwouldfdnotfdhavefdafddistinctfdnucleus.
Eukaryoticfdcellsfdhavefdmembranefdboundedfdcellularfdcomponentsfdcalledfdorganelles.fdNofdorganellesf
d describesfdafdprokaryoticfdcell.
2. Afdnursefdisfdinstructingfdthefdstafffdaboutfdcellularfdfunctions.fdWhichfdcellularfdfunctionfdisfdthefdnu
rsefddescribingfdwhenfdanfdisolatedfdcellfdabsorbsfdoxygenfdandfdusesfditfdtofdtransformfdnutrientsfdtofde
nergy?
a. Metabolicfdabsorption
b. Communication
c. Secretion
d. Respiration
,ANS:fdD
Thefdabilityfdoffdthefdcellfdtofdabsorbfdoxygenfdrefersfdtofdthefdcellsfdfunctionfdoffdrespiration.
Thefdabilityfdoffdthefdcellfdtofdfunctionfdwithinfdafdsocietyfdoffdcellsfdrefersfdtofditsfdfunctionfdoffdcommuni
cation.
Thefdabilityfdoffdthefdcellfdtofdtakefdinfdnutrientsfdrefersfdtofdthefdcellsfdfunctionfdoffdmetabolicfdabsorption.
Thefdabilityfdoffdthefdcellfdtofdsynthesizefdnewfdsubstancesfdandfdsecretefdthesefdelsewherefdrefersfdtofdthefdc
ellsfdfunctionfdoffdsecretion.
3. AfdeukaryoticfdcellfdisfdundergoingfdDNAfdreplication.fdInfdwhichfdregionfdoffdthefdcellfdwouldfdmost
offdthefdgeneticfdinformationfdbefdcontained?
fd
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS:fdC
Thefdregionfdoffdthefdcellfdthatfdcontainsfdgeneticfdmaterial,fdincludingfdafdlargefdamountfdoffdribonucleic
fd acid,fdmostfdoffdthefdDNA,fdandfdDNA-bindingfdproteins,fdisfdthefdnucleolus.
Thefdmitochondriafdisfdthefdsitefdoffdcellularfdrespiration.
Thefdribosomesfdarefdinvolvedfdinfdmanufacturingfdoffdproteinsfdwithinfdthefdcell.
Thefdnucleusfdcontainsfdthefdnucleolus,fdandfditfdisfdthefdnucleolusfdthatfdcontainsfdgeneticfdmaterial.
4. Thefdfluidfdmosaicfdmodelfdforfdbiologicfdmembranesfddescribesfdmembranefdbehavior.fdAccordingfd
tofdthisfdmodel,fdwhichfdoffdthefdfollowingfdfloatfdsinglyfdorfdasfdaggregatesfdinfdthefdfluidfdlipidfdbilayer?
a. Peripheralfdmembranefdproteins
b. Integralfdmembranefdproteins
, c. Glycoproteins
d. Cellfdadhesionfdmolecules
ANS:fdB
Integralfdmembranefdproteinsfdfloatfdfreelyfdinfdthefdfluidfdlipidfdbilayer.
Peripheralfdmembranefdproteinsfdarefdnotfdembeddedfdinfdthefdlayer,fdbutfdresidefdatfdthefdsurface.fdGlycopr
oteinsfdactfdasfdcellfdsurfacefdmarkers.
Cellfdadhesionfdmoleculesfdarefdonfdthefdoutsidefdoffdthefdmembranefdandfdallowfdcellsfdtofdhookfdtogether.
5. Whichfdoffdthefdfollowingfdcanfdbindfdtofdplasmafdmembranefdreceptors?
a. Oxygen
b. Ribosomes
c. Amphipathicfdlipids
d. Ligands
ANS:fdD
Ligandsfdarefdspecificfdmoleculesfdthatfdcanfdbindfdwithfdreceptorsfdonfdthefdcellfdmembrane.fdOx
ygenfdmovesfdbyfddiffusion;fditfddoesfdnotfdbindfdtofdreceptors.
Ribosomesfdmakefdproteinsfdandfdarefdnotfdinvolvedfdinfdbindin
g.fdAmphipathicfdlipidsfdarefdafdportionfdoffdthefdcellfdmembran
e.
6. Afdnursefdisfdreviewingfdafdreportfdfromfdafdpatientfdwithfdmetastaticfdcancer.fdWhatfdfindingfdwo
uldfdsupportfdthefddiagnosisfdoffdmetastaticfdcancer?fdAlterationsfdinfdextracellularfdmatrixfdthatfdin
clude:
a. Decreasedfdfibronectin
b. Increasedfdcollagen
c. Decreasedfdelastin
