,TestfBank:fAppliedfPathophysiologyfforfthefAdvancedfPracticefNursef2ndfEditionfDlugasch
fStory
Chapterf1fCellularfFunction
1. Thefnucleus
,fwhichfisfessentialfforffunctionfandfsurvivalfoffthefce
ll.
A) isfthefsitefoffproteinfsynthesis
B) containsfthefgeneticfcode
C) transformsfcellularf energy
D) initiatesfaerobicfmetabolism
2.
Althoughfenergyfisfnotfmadefinfmitochondria,ftheyfarefknownfasfthefpowerfp
lantsfoffthefcellfbecausefthey:
A) containfRNAfforf proteinfsynthesis.
B) utilizefglycolysisf forfoxidativef energy.
C) extractfenergyf fromf organicf compounds.
D) storefcalciumf bondsfforfmusclef contractions.
3.
Althoughfthefbasicfstructurefoffthefcellfplasmafmembranefisfformedfbyfafli
pidfbilayer,fmostfoffthefspecificfmembranef functionsfarefcarriedfoutfby:
A) boundfandftransmembranef proteins.
B) complex,f longfcarbohydratef chains.
C) surfacefantigensfandfhormonef receptors.
D) afgatingfsystemfoffselectivef ionfchannels.
4. Tofeffectivelyfrelayfsignals,fcell-to-
cellfcommunicationfutilizesfchemicalfmessengerfsystemsfthat:
A) displacef surfacefreceptorfproteins.
, B) accumulatef withinfcellfgapfjunctions.
C) bindftofcontractilef microfilaments.
D) releasefsecretionsfintofextracellularffluid.
5.
Aerobicfmetabolism,falsofknownfasfoxidativefmetabolism,fprovidesfenergyf
by:
A) removingfthef phosphatefbondsffromf ATP.
B) combiningfhydrogenfandfoxygenftof formf water.
C) activatingfpyruvatef storedfinfthefcytoplasm.
D) breakingfdownfglucosef tofformf lacticfacid.
6. Exocytosis,fthefreversefoffendocytosis,fisfimportantfin
intofthef
extracellularffluid.
A) Engulfingfandfingestingf fluidfandf proteinsf forftransport
B) Killing,fdegrading,fandf dissolvingf harmfulf microorganisms
C) Removingfcellularf debrisfandfreleasingfsynthesizedfsubstances
D) Destructionfoffparticlesfbyflysosomalfenzymesfforfsecretion
7. Thefprocessfresponsiblefforfgeneratingfandfconductingfmembranefpotentialsfis:
A) diffusionf offcurrent-carryingf ions.
B) millivoltagef offelectricalfpotential.
C) polarizationf offchargedfparticles.
D) ionf channelf neurotransmission.
8.
Epithelialftissuesfarefclassifiedfaccordingftofthefshapefoffthefcellsfandfthefnu
mberfofflayers.fWhichfofftheffollowingfisfafcorrectlyfmatchedfdescriptionfandft
ypefoffepithelialftissue?