porth-test-bank.
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bThebMarketplacebtobBuybandbSellbyourbStudybMaterial
Chapter
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01 - Cellof Structure
Test Bank - Essentials
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and
Pathophysiology (4thFunction
Edition by Porth)
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1. Thebnucleus ,bwhichbisbessentialbforbfunctionbandbsurvivalbofbthebcell.
A) isbthebsitebofbproteinbsynthesis
B) containsbthebgeneticbcode
C) transformsbcellularbenergy
D) initiatesb aerobicb metabolism
2. Althoughbenergybisbnotbmadebinbmitochondria,btheybarebknownbasbthebpowerbplantsbofbthebcellbbecausebt
hey:
A) containbRNAbforbproteinbsynthesis.
B) utilizebglycolysisbforboxidativebenergy.
C) extractbenergybfromborganicbcompounds.
D) storebcalciumbbondsbforbmusclebcontractions.
3. Althoughbthebbasicbstructurebofbthebcellbplasmabmembranebisbformedbbybablipidbbilayer,bmostbofbtheb
specificbmembranebfunctionsbarebcarriedboutbby:
A) boundb andb transmembraneb proteins.
B) complex,b longb carbohydrateb chains.
C) surfacebantigensbandbhormonebreceptors.
D) abgatingbsystembofbselectivebionbchannels.
4. Tob effectivelyb relayb signals,b cell-to-cellb communicationb utilizesb chemicalb messengerb systemsb that:
A) displacebsurfacebreceptorbproteins.
B) accumulatebwithinbcellbgapbjunctions.
C) bindbtobcontractilebmicrofilaments.
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D) ThebbMarketplace
releasebsecretionsbbinto btobBuybandbSellbyourbStudybMaterial
extracellular bfluid.
TestbBankb-bEssentialsbofbPathophysiologyb(4thbEditionbbybPorth)
5. Aerobicbmetabolism,balsobknownbasboxidativebmetabolism,bprovidesbenergybby:
A) removingbthebphosphatebbondsbfrombATP.
B) combiningbhydrogenbandboxygenbtobformbwater.
C) activatingbpyruvatebstoredbinbthebcytoplasm.
D) breakingbdownbglucosebtobformblacticbacid.
6. Exocytosis,bthebreversebofbendocytosis,bisbimportantbin intobthebextracellularbfluid.
A) Engulfingbandbingestingbfluidbandbproteinsbforbtransport
B) Killing,bdegrading,bandbdissolvingbharmfulbmicroorganisms
C) Removingbcellularbdebrisbandbreleasingbsynthesizedbsubstances
D) Destructionbofbparticlesbbyblysosomalbenzymesbforbsecretion
7. Thebprocessbresponsiblebforbgeneratingbandbconductingbmembranebpotentialsbis:
A) diffusionbofbcurrent-carryingbions.
B) millivoltageb ofb electricalb potential.
C) polarizationbofbchargedbparticles.
D) ionbchannelbneurotransmission.
8. Epithelialbtissuesbarebclassifiedbaccordingbtobthebshapebofbthebcellsbandbthebnumberbofblayers.bWhichbofbt
hebfollowingbisbabcorrectlybmatchedbdescriptionbandbtypebofbepithelialbtissue?
A) Simplebepithelium:bcellsbinbcontactbwithbintercellularbmatrix;bsomebdobnotbextendbtobsurface
B) Stratifiedbepithelium:bsingleblayerbofbcells;ballbcellsbrestbonbbasementbmembrane
C) Glandularbepithelium:barisebfrombsurfacebepitheliabandbunderlyingbconnectivebtissue
D) Pseudostratifiedbepithelium:bmultipleblayersbofbcells;bdeepestblayerbrestsbonbbasementbmembrane
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9. Connectivebtissuebcontains bfibroblastsbthatbarebresponsible bfor:
TestbBankb-bEssentialsbofbPathophysiologyb(4thbEditionbbybPorth)
A) providingbabfibrousbframeworkbforbcapillaries.
B) synthesisbofbcollagen,belastin,bandbreticularbfibers.
C) formingbtendonsbandbthebfasciabthatbcoversbmuscles.
D) fillingbspacesbbetweenbtissuesbtobkeepborgansbinbplace.
10. Althoughballbmusclebtissuebcellsbhavebsomebsimilarities,bsmoothbmuscleb(alsobknownbasbinvoluntarybmuscl
e)bdiffersbby:
A) havingbdensebbodiesbattachedbtobactinbfilaments.
B) containingbsarcomeresbbetweenbZblinesbandbMbbands.
C) havingbrapidbcontractionsbandbabundantbcross-striations.
D) contractingbinbresponsebtobincreasedbintracellularbcalcium.
11. WhichbofbthebfollowingbaspectsbofbthebfunctionbofbthebnucleusbisbperformedbbybribosomalbRNAb(rRNA)?
A) CopyingbandbcarryingbDNAbinstructionsbforbproteinbsynthesis
B) Carryingbaminobacidsbtobthebsitebofbproteinbsynthesis
C) Providingbthebsitebwherebproteinbsynthesisboccurs
D) Regulatingbandbcontrollingbproteinbsynthesis
12. Breakdownbandbremovalbofbforeignbsubstancesbandbworn-
outbcellbpartsbarebperformedbbybwhichbofbthebfollowingborganelles?
A) Lysosomes
B) Golgibapparatus
C) Ribosomes
D) Endoplasmicbreticulumb(ER)
13. Impairmentbinbthebfunctionbofbperoxisomesbwouldbresultbin:
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bThebMarketplacebtobBuybandbSellbyourbStudybMaterial
A) inadequatebsitesbfor bproteinbsynthesis.
TestbBankb-bEssentialsbofbPathophysiologyb(4thbEditionbbybPorth)
B) anbinabilitybtobtransportbcellularbproductsbacrossbthebcellbmembrane.
C) insufficientbenergybproductionbwithinbabcell.
D) accumulationbofbfreebradicalsbinbthebcytoplasm.
14. Afterbseveralbmonthsbofbtryingbtobconceive,babcouplebisbundergoingbfertilitybtesting.bSemenbanalysisbi
ndicatesbthatbthebman’sbspermbhavebdecreasedbmotility,babfindingbthatbisbthoughtbtobunderliebthebcou
ple’sbinabilitybtobbecomebpregnant.bWhichbofbthebfollowingbcellularbcomponentsbmaybbebdefectivebwith
inbthebman’sbsperm?
A) Ribosomes
B) Microtubules
C) Mitochondria
D) Microfilaments
15. Whichbofbthebfollowingbstatementsbisbtruebofbglycolysis?
A) Glycolysisbrequiresboxygen.
B) Glycolysisboccursbinbcellsbwithoutbmitochondria.
C) Glycolysisbprovidesbthebmajoritybofbthebbody’sbenergybneeds.
D) Glycolysisbproducesbenergy,bwater,bandbcarbonbdioxide.
16. Whichbofbthebfollowingbmembranebtransportbmechanismsbrequiresbthebgreatestbamountbofbenergy?
A) Facilitatedb diffusion
B) Passivebtransport
C) Vesicularbtransport
D) Simplebdiffusion
17. Abmalebpatientbwithbabdiagnosisbofbtypeb1bdiabetesbmellitusbisbexperiencingbhyperglycemiabbecausebhebl
acksbsufficientbinsulinbtobincreasebthebavailabilitybofbglucosebtransportersbinbhisbcellbmembranes.bCo
nsequently,bhisbcellsblackbintracellularbglucosebandbitbaccumulatesbinbhisbblood.bWhichbofbthe
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