M nTESTnBANKn1stnEdition
AppliednPathophysiologynfornthenAdvancednPracticenNurse
n1stnEditionnDlugaschnStorynTestnBank
Chaptern 1n Cellularn Function
1. Thennucleus
,nwhichnisnessentialnfornfunctionnandnsurvivalnofnthencell.
A) isnthensitenofnproteinnsynthesis
B) containsnthengeneticncode
C) transformsncellularnenergy
D) initiatesnaerobicnmetabolism
2. Althoughnenergynisnnotnmadeninnmitochondria,ntheynarenknownnasnthenpo
wernplantsnofnthencellnbecausenthey:
A) containnRNAnfornproteinnsynthesis.
B) utilizenglycolysisnfornoxidativenenergy.
C) extractnenergynfromnorganicncompounds.
D) storencalciumnbondsnfornmusclencontractions.
3. Althoughnthenbasicnstructurenofnthencellnplasmanmembranenisnformednb
ynanlipidnbilayer,nmostnofnthenspecificnmembranenfunctionsnarencarriedn
outnby:
A) boundnandntransmembranenproteins.
B) complex,nlongncarbohydratenchains.
C) surfacenantigensnandnhormonenreceptors.
D) angatingnsystemnofnselectivenionnchannels.
4. Toneffectivelynrelaynsignals,ncell-to-
cellncommunicationnutilizesnchemicalnmessengernsystemsnthat:
A) displacensurfacenreceptornproteins.
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B) accumulatenwithinncellngapnjunctions.
C) bindntoncontractilenmicrofilaments.
D) releasensecretionsnintonextracellularnfluid.
5. Aerobicnmetabolism,nalsonknownnasnoxidativenmetabolism,nprovidesnener
gynby:
A) removingnthenphosphatenbondsnfromnATP.
B) combiningnhydrogennandnoxygenntonformnwater.
C) activatingnpyruvatenstoredninnthencytoplasm.
D) breakingndownnglucosentonformnlacticnacid.
6. Exocytosis,nthenreversenofnendocytosis,nisnimportantnin
intonthenextracellularnfluid.
A) Engulfingnandningestingnfluidnandnproteinsnforntransport
B) Killing,ndegrading,nandndissolvingnharmfulnmicroorganisms
C) Removingncellularndebrisnandnreleasingnsynthesizednsubstances
D) Destructionnofnparticlesnbynlysosomalnenzymesnfornsecretion
7. Thenprocessnresponsiblenforngeneratingnandnconductingnmembranenpotenti
alsnis:
A) diffusionnofncurrent-carryingnions.
B) millivoltagenofnelectricalnpotential.
C) polarizationnofnchargednparticles.
D) ionnchannelnneurotransmission.
8. Epithelialntissuesnarenclassifiednaccordingntonthenshapenofnthencellsnandnth
ennumbernofnlayers.nWhichnofnthenfollowingnisnancorrectlynmatchedndescri
ptionnandntypenofnepithelialntissue?
A) Simplenepithelium:ncellsninncontactnwithnintercellularnmatrix;nsomendon
notnextendntonsurface
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B) Stratifiednepithelium:nsinglenlayernofncells;nallncellsnrestnonnbasement
membrane
C) Glandularnepithelium:narisenfromnsurfacenepithelianandnunderlyi
ngnconnectiventissue
D) Pseudostratifiednepithelium:nmultiplenlayersnofncells;ndeepestnlayernrestsn
onnbasementnmembrane
9. Connectiventissuencontainsnfibroblastsnthatnarenresponsiblenfor:
A) providingnanfibrousnframeworknforncapillaries.
B) synthesisnofncollagen,nelastin,nandnreticularnfibers.
C) formingntendonsnandnthenfascianthatncoversnmuscles.
D) fillingnspacesnbetweenntissuesntonkeepnorgansninnplace.
10 Althoughnallnmusclentissuencellsnhavensomensimilarities,nsmoothnmusclen(als
o
. knownnasninvoluntarynmuscle)ndiffersnby:
A) havingndensenbodiesnattachedntonactinnfilaments.
B) containingnsarcomeresnbetweennZnlinesnandnMnbands.
C) havingnrapidncontractionsnandnabundantncross-striations.
D) contractingninnresponsentonincreasednintracellularncalcium.
11 Whichnofnthenfollowingnaspectsnofnthenfunctionnofnthennucleusnisnperformed
. bynribosomalnRNAn(rRNA)?
A) CopyingnandncarryingnDNAninstructionsnfornproteinnsynthesis
B) Carryingnaminonacidsntonthensitenofnproteinnsynthesis
C) Providingnthensitenwherenproteinnsynthesisnoccurs
D) Regulatingnandncontrollingnproteinnsynthesis
12 Breakdownnandnremovalnofnforeignnsubstancesnandnworn-outncellnpartsnare
. performednbynwhichnofnthenfollowingnorganelles?
A) Lysosomes
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B) Golginapparatus
C) Ribosomes
D) Endoplasmicnreticulumn(ER)
13 Impairmentninnthenfunctionnofnperoxisomesnwouldnresultnin:
.
A) inadequatensitesnfornproteinnsynthesis.
B) anninabilityntontransportncellularnproductsnacrossnthencellnmembrane.
C) insufficientnenergynproductionnwithinnancell.
D) accumulationnofnfreenradicalsninnthencytoplasm.
14 Afternseveralnmonthsnofntryingntonconceive,nancouplenisnundergoingnfertility
.
testing.nSemennanalysisnindicatesnthatnthenmansnspermn havendecrea
sednmotility,nanfindingnthatnisnthoughtntonunderlienthencouplesninabilitynton
becomenpregnant.nWhichnofnthenfollowingncellularncomponentsn maynbende
fectivenwithinnthen mansnsperm?
A) Ribosomes
B) Microtubules
C) Mitochondria
D) Microfilaments
15 Whichnofnthenfollowingnstatementsnisntruenofnglycolysis?
.
A) Glycolysisnrequiresnoxygen.
B) Glycolysisnoccursninncellsnwithoutnmitochondria.
C) Glycolysisnprovidesnthenmajoritynofnthenbodysnenergynneeds.
D) Glycolysisnproducesnenergy,nwater,nandncarbonndioxide.
16 Whichnofnthenfollowingnmembranentransportnmechanismsnrequiresnthe
. greatestnamountnofnenergy?
A) Facilitatedndiffusion
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