Test Bank for Understanding Pathophysiology 7th Edition by Huether, McCance, and Brashers

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nderstanding Pathophysiology 7th edition by Huether, McCance Test Bank
Latest Updated Examination Study Guide
2022Understandinge g Pathophysiologye g 7the g editione g bye g Huether,e g McCancee g T
este g Bank


Chaptereg1.egCellularegBiology

MULTIPLEegCHOICE

1. Aegstudentegisegobservingegaegcellegunderegtheegmicroscope.egItegisegobservedegtoeghaveegsuper
coiledegDNAegwitheghistones.egWhichegofegtheegfollowingegwouldegalsoegbeegobservedegbyegth
eegstudent?

a. Aegsingleegcircularegchromosome
b. Aegnucleus
c. Free-floatingegnuclearegmaterial
d. Noegorganelles


ANS:egB

Theegcellegdescribedegisegaegeukaryoticegcell,egsoegiteghaseghistonesegandegaegsupercoiledegDNAeg
withinegitsegnucleus;egthus,egtheegnucleusegshouldegbeegobserved.

Aegsingleegcircularegchromosomeegisegcharacteristicegofegprokaryoticegcells,egwhichegdoegnoteghaveeghi
stones.

Free-
floatingegnuclearegmaterialegdescribesegaegprokaryoticegcell,egwhichegwouldegnoteghaveegaegdistinc
tegnucleus.

Eukaryoticegcellseghaveegmembraneegboundedegcellularegcomponentsegcalledegorganelles.egNoegor
ganellesegdescribesegaegprokaryoticegcell.

2. Aegnurseegiseginstructingegtheegstaffegaboutegcellularegfunctions.egWhichegcellularegfunctionegi
segtheegnurseegdescribingegwheneganegisolatedegcellegabsorbsegoxygenegandegusesegitegtoegtransf
ormegnutrientsegtoegenergy?

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a. Metabolicegabsorption
b. Communication
c. Secretion
d. Respiration

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ANS:egD

Theegabilityegofegtheegcellegtoegabsorbegoxygenegrefersegtoegtheegcellsegfunctionegofegrespiration.

Theegabilityegofegtheegcellegtoegfunctionegwithinegaegsocietyegofegcellsegrefersegtoegitsegfunctionegof
egcommunication.



Theegabilityegofegtheegcellegtoegtakeeginegnutrientsegrefersegtoegtheegcellsegfunctionegofegmetabolicegabso
rption.

Theegabilityegofegtheegcellegtoegsynthesizeegnewegsubstancesegandegsecreteegtheseegelsewhereegrefersegto
egtheegcellsegfunctionegofegsecretion.



3. AegeukaryoticegcellegisegundergoingegDNAegreplication.egInegwhichegregionegofegtheegcellegw
ouldegmostegofegtheeggeneticeginformationegbeegcontained?

a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus


ANS:egC

Theegregionegofegtheegcellegthategcontainseggeneticegmaterial,egincludingegaeglargeegamountegofegri
bonucleicegacid,egmostegofegtheegDNA,egandegDNA-bindingegproteins,egisegtheegnucleolus.

Theegmitochondriaegisegtheegsiteegofegcellularegrespiration.

Theegribosomesegareeginvolvedeginegmanufacturingegofegproteinsegwithinegtheegcell.

Theegnucleusegcontainsegtheegnucleolus,egandegitegisegtheegnucleolusegthategcontainseggeneticegmaterial.

4. Theegfluidegmosaicegmodelegforegbiologicegmembranesegdescribesegmembraneegbehavior.egAcc
ordingegtoegthisegmodel,egwhichegofegtheegfollowingegfloategsinglyegoregasegaggregateseginegtheegfl
uideglipidegbilayer?

a. Peripheralegmembraneegproteins
b. Integralegmembraneegproteins

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c. Glycoproteins
d. Cellegadhesionegmolecules


ANS:egB

Integralegmembraneegproteinsegfloategfreelyeginegtheegfluideglipidegbilayer.

Peripheralegmembraneegproteinsegareegnotegembeddedeginegtheeglayer,egbutegresideegategtheegsurfa

ce.egGlycoproteinsegactegasegcellegsurfaceegmarkers.

Cellegadhesionegmoleculesegareegonegtheegoutsideegofegtheegmembraneegandegallowegcellsegtoeghookegto
gether.

5. Whichegofegtheegfollowingegcanegbindegtoegplasmaegmembraneegreceptors?

a. Oxygen
b. Ribosomes
c. Amphipathiceglipids
d. Ligands


ANS:egD

Ligandsegareegspecificegmoleculesegthategcanegbindegwithegreceptorsegonegtheegcellegmemb

rane.egOxygenegmovesegbyegdiffusion;egitegdoesegnotegbindegtoegreceptors.

Ribosomesegmakeegproteinsegandegareegnoteginvolvedeginegb

inding.egAmphipathiceglipidsegareegaegportionegofegtheegcell

egmembrane.



6. Aegnurseegisegreviewingegaegreportegfromegaegpatientegwithegmetastaticegcancer.egWhategfin
dingegwouldegsupportegtheegdiagnosisegofegmetastaticegcancer?egAlterationseginegextracellula
regmatrixegthateginclude:

a. Decreasedegfibronectin
b. Increasedegcollagen