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TEST BANK FOR HUETHER AND MCCANCES UNDERSTANDING PATHOPHYSIOLOGY, CANADIAN EDITION 2ND EDITION BY KELLY POWER-KEAN,STEPHANIE ZETTEL, MOHAMED TOUFIC EL-HUSSEIN, SUE E.HUETHER, KATHRYN L. MCCANCE | 9780323778848 | 2024 CHAPTER 1-42 Chapter xi01: xiCellula

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pathophysiology
huether and mccances understanding pathophysiology
test bank
2nd canadian edition power kean

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TEST BANK FOR HUETHER AND MCCANCES
UNDERSTANDING PATHOPHYSIOLOGY, CANADIAN
EDITION 2ND EDITION BY KELLY POWER-
KEAN,STEPHANIE ZETTEL, MOHAMED TOUFIC EL-
HUSSEIN, SUE E.HUETHER, KATHRYN L. MCCANCE |
9780323778848 | 2024 CHAPTER 1-42

Chapter xi01: xiCellular xiBiology xiHuether xi& xiMcCance: xiUnderstanding
xiPathophysiology, xi6th xiEdition

MULTIPLE xiCHOICE

1. A xistudent xiis xiobserving xia xicell xiunder xithe ximicroscope. xiIt xiis xiobserved xito xihave
xisupercoiled xiDNA xiwith xihistones. xiWhich xiof xithe xifollowing xiwould xialso xibe
xiobserved xiby xithe xistudent? xia. xiA xisingle xicircular xichromosome
b. A xinucleus
c. Free-floating xinuclear ximaterial
d. No xiorganelles

ANS: xiB
The xicell xidescribed xiis xia xieukaryotic xicell, xiso xiit xihas xihistones xiand xia xisupercoiled xiDNA
xiwithin xiits xinucleus; xithus, xithe xinucleus xishould xibe xiobserved. xiA xisingle xicircular
xichromosome xicalled xia xiprokaryote xicontains xifree-floating xinuclear ximaterial xibut xihas
xino xiorganelles.

REF: xip. xi2

2. A xinurse xiis xiinstructing xithe xistaff xiabout xicellular xifunctions. xiWhich xicellular xifunction xiis
xithe xinurse xidescribing xiwhen xian xiisolated xicell xiabsorbs xioxygen xiand xiuses xiit xito
xitransform xinutrients xito xienergy? xia.
Metabolic xiabsorption
b. Communication
c. Secretion
d. Respiration

ANS: xiD
The xicell’s xiability xito xiabsorb xioxygen xiis xireferred xito xias xirespiration xiwhile xiits
xicommunication xiability xiinvolves ximaintenance xiof xia xisteady xidynamic xistate, ximetabolic
xiabsorption xiprovides xinutrition, xiand xisecretion xiallows xifor xithe xisynthesizing xiof xinew
xisubstances.

REF: xip. xi2

,3. A xieukaryotic xicell xiis xiundergoing xiDNA xireplication. xiIn xiwhich xiregion xiof xithe xicell
xiwould ximost xiof xithe xigenetic xiinformation xibe xicontained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus xiCytoplasm

, ANS: xiC
The xiregion xiof xithe xicell xithat xicontains xigenetic ximaterial, xiincluding xia xilarge xiamount xiof
xiribonucleic xiacid, ximost xiof xithe xiDNA, xiand xiDNA-binding xiproteins, xiis xithe xinucleolus,
xiwhich xiis xilocated xiwithin xithe xicell’s xinucleus. xiMitochondria xiis xiassociated xiwith
xicellular xirespiration, xiwhile xiribosomes xiare xiinvolved xiwith xiprotein ximanufacturing.
xiCytoplasm xiis xia xifluid xifilling xithat xiis xia xicomponent xiof xithe xicell.

REF: xip. xi2

4. Which xiof xithe xifollowing xican xiremove xiproteins xiattached xito xithe xicell’s xibilayer xiby
xidissolving xithe xilayer xiitself?
a. Peripheral ximembrane xiproteins
b. Integral ximembrane xiproteins
c. Glycoproteins
d. Cell xiadhesion ximolecules

ANS: xiB
Proteins xidirectly xiattached xito xithe ximembrane xibilayer xican xibe xiremoved xiby xithe xiaction
xiof xiintegral ximembrane xiproteins xithat xidissolve xithe xibilayer. xiPeripheral ximembrane
xiproteins xireside xiat xithe xisurface xiwhile xicell xiadhesion ximolecules xiare xion xithe xioutside
xiof xithe ximembrane. xiGlycoprotein ximarks xicells xiand xidoes xinot xifloat.

REF: xip. xi7

5. Which xiof xithe xifollowing xican xibind xito xiplasma ximembrane xireceptors?
a. Oxygen
b. Ribosomes
c. Amphipathic xilipids
d. Ligands

ANS: xiD
Ligands xiare xithe xionly xispecific ximolecules xithat xican xibind xiwith xireceptors xion xithe xicell
ximembrane.

REF: xip. xi9

6. A xinurse xiis xireviewing xia xireport xifrom xia xipatient xiwith ximetastatic xicancer. xiWhat
xialternation xiin xithe xiextracellular ximatrix xiwould xisupport xithe xidiagnosis xiof

ximetastatic xicancer?a.

Decreased xifibronectin
b. Increased xicollagen
c. Decreased xielastin
d. Increased xiglycoproteins

, ANS: xiA
Only xia xireduced xiamount xiof xifibronectin xiis xifound xiin xisome xitypes xiof xicancerous xicells,
xiallowing xithem xito xitravel xior ximetastasize.

REF: xip. xi10

7. Which xiform xiof xicell xicommunication xiis xiused xito xirelate xito xiother xicells xiin xidirect xiphysical
xicontact? xia.
Cell xijunction
b. Gap xijunction
c. Desmosome
d. Tight xijunction

ANS: xiA
Cell xijunctions xihold xicells xitogether xiand xipermit ximolecules xito xipass xifrom xicell xito xicell.
Gap xijunctions xiallow xifor xicellular xicommunication xibetween xicells. xiNeither xidesmosomes
xinor xitight xijunctions xiare xiassociated xiwith xicellular xicommunication.

REF: xip. xi11

8. Pancreatic xibeta xicells xisecrete xiinsulin, xiwhich xiinhibits xisecretion xiof xiglucagon xifrom
xineighboring xialpha xicells. xiThis xiaction xiis xian xiexample xiof xiwhich xiof xithe xifollowing
xisignaling xitypes? xia. xiParacrine
b. Autocrine
c. Neurohormonal
d. Hormonal

ANS: xiA
Paracrine xisignaling xiinvolves xithe xirelease xiof xilocal xichemical ximediators xithat xiare
xiquickly xitaken xiup, xidestroyed, xior xiimmobilized, xias xiin xithe xicase xiof xiinsulin xiand xithe
xiinhibition xiof xithe xisecretion xiof xiglucagon. xiNone xiof xithe xiother xioptions xiinvolve
xisignaling xithat xiis xiassociated xiwith xia xilocal xichemical ximediator xilike xiinsulin.

REF: xip. xi12

9. In xicellular ximetabolism, xieach xienzyme xihas xia xihigh xiaffinity xifor xia:
a. solute.
b. substrate.
c. receptor.
d. ribosome.

ANS:
xiB

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Exam (elaborations)

TEST BANK FOR HUETHER AND MCCANCES UNDERSTANDING PATHOPHYSIOLOGY, CANADIAN EDITION 2ND EDITION BY KELLY POWER-KEAN,STEPHANIE ZETTEL, MOHAMED TOUFIC EL-HUSSEIN, SUE E.HUETHER, KATHRYN L. MCCANCE | 9780323778848 | 2024 CHAPTER 1-42 Chapter xi01: xiCellula

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