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

Understanding Pathophysiology 7th edition by Huether, McCance Test Bank
Latest Updated Examination Study Guide 2022

Understandingr n Pathophysiologyr n 7thr n editionr n byr n Huether,r n McCancer n Testr n
Bank


Chapterrn1.rnCellularrnBiology

MULTIPLErnCHOICE

1. Arnstudentrnisrnobservingrnarncellrnunderrnthernmicroscope.rnItrnisrnobservedrntornhavernsuperco
iledrnDNArnwithrnhistones.rnWhichrnofrnthernfollowingrnwouldrnalsornbernobservedrnbyrnthernstu
dent?

a. Arnsinglerncircularrnchromosome
b. Arnnucleus
c. Free-floatingrnnuclearrnmaterial
d. Nornorganelles


ANS:rnB

Therncellrndescribedrnisrnarneukaryoticrncell,rnsornitrnhasrnhistonesrnandrnarnsupercoiledrnDNArnwit
hinrnitsrnnucleus;rnthus,rnthernnucleusrnshouldrnbernobserved.

Arnsinglerncircularrnchromosomernisrncharacteristicrnofrnprokaryoticrncells,rnwhichrndornnotrnhavernhisto
nes.

Free-
floatingrnnuclearrnmaterialrndescribesrnarnprokaryoticrncell,rnwhichrnwouldrnnotrnhavernarndistinctrn
nucleus.

Eukaryoticrncellsrnhavernmembranernboundedrncellularrncomponentsrncalledrnorganelles.rnNornorg
anellesrndescribesrnarnprokaryoticrncell.

2. Arnnursernisrninstructingrnthernstaffrnaboutrncellularrnfunctions.rnWhichrncellularrnfunctionrnisrn
thernnurserndescribingrnwhenrnanrnisolatedrncellrnabsorbsrnoxygenrnandrnusesrnitrntorntransformrn
nutrientsrntornenergy?

,a. Metabolicrnabsorption
b. Communication
c. Secretion
d. Respiration

,ANS:rnD

Thernabilityrnofrntherncellrntornabsorbrnoxygenrnrefersrntorntherncellsrnfunctionrnofrnrespiration.

Thernabilityrnofrntherncellrntornfunctionrnwithinrnarnsocietyrnofrncellsrnrefersrntornitsrnfunctionrnofrnc
ommunication.

Thernabilityrnofrntherncellrntorntakerninrnnutrientsrnrefersrntorntherncellsrnfunctionrnofrnmetabolicrnabsorpti
on.

Thernabilityrnofrntherncellrntornsynthesizernnewrnsubstancesrnandrnsecreternthesernelsewherernrefersrntornt
herncellsrnfunctionrnofrnsecretion.

3. ArneukaryoticrncellrnisrnundergoingrnDNArnreplication.rnInrnwhichrnregionrnofrntherncellrnwoul
drnmostrnofrntherngeneticrninformationrnberncontained?

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


ANS:rnC

Thernregionrnofrntherncellrnthatrncontainsrngeneticrnmaterial,rnincludingrnarnlargernamountrnofrnribo
nucleicrnacid,rnmostrnofrnthernDNA,rnandrnDNA-bindingrnproteins,rnisrnthernnucleolus.

Thernmitochondriarnisrnthernsiternofrncellularrnrespiration.

Thernribosomesrnarerninvolvedrninrnmanufacturingrnofrnproteinsrnwithinrntherncell.

Thernnucleusrncontainsrnthernnucleolus,rnandrnitrnisrnthernnucleolusrnthatrncontainsrngeneticrnmaterial.

4. Thernfluidrnmosaicrnmodelrnforrnbiologicrnmembranesrndescribesrnmembranernbehavior.rnAccor
dingrntornthisrnmodel,rnwhichrnofrnthernfollowingrnfloatrnsinglyrnorrnasrnaggregatesrninrnthernfluidrn
lipidrnbilayer?

a. Peripheralrnmembranernproteins
b. Integralrnmembranernproteins

, c. Glycoproteins
d. Cellrnadhesionrnmolecules


ANS:rnB

Integralrnmembranernproteinsrnfloatrnfreelyrninrnthernfluidrnlipidrnbilayer.

Peripheralrnmembranernproteinsrnarernnotrnembeddedrninrnthernlayer,rnbutrnresidernatrnthernsurface.

rnGlycoproteinsrnactrnasrncellrnsurfacernmarkers.



Cellrnadhesionrnmoleculesrnarernonrnthernoutsidernofrnthernmembranernandrnallowrncellsrntornhookrntoget
her.

5. Whichrnofrnthernfollowingrncanrnbindrntornplasmarnmembranernreceptors?

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


ANS:rnD

Ligandsrnarernspecificrnmoleculesrnthatrncanrnbindrnwithrnreceptorsrnonrntherncellrnmembra

ne.rnOxygenrnmovesrnbyrndiffusion;rnitrndoesrnnotrnbindrntornreceptors.

Ribosomesrnmakernproteinsrnandrnarernnotrninvolvedrninrnbi

nding.rnAmphipathicrnlipidsrnarernarnportionrnofrntherncellrn

membrane.

6. Arnnursernisrnreviewingrnarnreportrnfromrnarnpatientrnwithrnmetastaticrncancer.rnWhatrnfindi
ngrnwouldrnsupportrntherndiagnosisrnofrnmetastaticrncancer?rnAlterationsrninrnextracellularrnm
atrixrnthatrninclude:

a. Decreasedrnfibronectin
b. Increasedrncollagen