Test Bank for Understanding Pathophysiology 6th Edition Huether, Kathryn

Sue E. Huether, Kathryn L. McCance -
x x x x x x




Test Bank for Understanding Pathophysiology (6t
x x x x x x




h Ed)-Test Bank (complete questions & answers)
x x x x x x




Chapter 01: Cellular Biology
x x x

Huether & McCance: Understanding Pathophysiology, 6th Edition
x x x x x x




MULTIPLExCHOICE

1. Axstudentxisxobservingxaxcellxunderxthexmicroscope.xItxisxobservedxtoxhavexsupercoiledxDNAx
withxhistones.xWhichxofxthexfollowingxwouldxalsoxbexobservedxbyxthexstudent?
a. Axsinglexcircularxchromosome
b. Axnucleus
c. Free-floatingxnuclearxmaterial
d. Noxorganelles
ANS:x B
Thexcellxdescribedxisxaxeukaryoticxcell,xsoxitxhasxhistonesxandxaxsupercoiledxDNAxwithinxitsxn
ucleus;xthus,xthexnucleusxshouldxbexobserved.xAxsinglexcircularxchromosomexcalledxaxprokar
yotexcontainsxfree-floatingxnuclearxmaterialxbutxhasxnoxorganelles.

REF:x p.x2

2. Axnursexisxinstructingxthexstaffxaboutxcellularxfunctions.xWhichxcellularxfunctionxisxthexnursexde
scribingxwhenxanxisolatedxcellxabsorbsxoxygenxandxusesxitxtoxtransformxnutrientsxtoxenergy?
a. Metabolicxabsorption
b. Communication
c. Secretion
d. Respiration
ANS:x D NURSINGTB.COM
Thexcell’sxabilityxtoxabsorbxoxygenxisxreferredxtoxasxrespirationxwhilexitsxcommunicationxabilityxi
nvolvesxmaintenancexofxaxsteadyxdynamicxstate,xmetabolicxabsorptionxprovidesxnutrition,xandxse
cretionxallowsxforxthexsynthesizingxofxnewxsubstances.

REF:x p.x2

3. AxeukaryoticxcellxisxundergoingxDNAxreplication.xInxwhichxregionxofxthexcellxwouldxmostxofxt
hexgeneticxinformationxbexcontained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. NucleusxCytoplasm
ANS:x C
Thexregionxofxthexcellxthatxcontainsxgeneticxmaterial,xincludingxaxlargexamountxofxribonucleicxa
cid,xmostxofxthexDNA,xandxDNA-
bindingxproteins,xisxthexnucleolus,xwhichxisxlocatedxwithinxthexcell’sxnucleus.xMitochondriaxisx
associatedxwithxcellularxrespiration,xwhilexribosomesxarexinvolvedxwithxproteinxmanufacturin
g.xCytoplasmxisxaxfluidxfillingxthatxisxaxcomponentxofxthexcell.

REF:x p.x2
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,Sue E. Huether, Kathryn L. McCance -
x x x x x x




Test Bank for Understanding Pathophysiology (6t
x x x x x x




h Ed)-Test Bank (complete questions & answers)
x x x x x x




4. Whichxofxthexfollowingxcanxremovexproteinsxattachedxtoxthexcell’sxbilayerxbyxdissolvingxthexl
ayerxitself?
a. Peripheralxmembranexproteins
b. Integralxmembranexproteins
c. Glycoproteins
d. Cellxadhesionxmolecules
ANS:x B
Proteinsxdirectlyxattachedxtoxthexmembranexbilayerxcanxbexremovedxbyxthexactionxofxintegralx
membranexproteinsxthatxdissolvexthexbilayer.xPeripheralxmembranexproteinsxresidexatxthexsurf
acexwhilexcellxadhesionxmoleculesxarexonxthexoutsidexofxthexmembrane.xGlycoproteinxmarksxc
ellsxandxdoesxnotxfloat.

REF:x p.x7

5. Whichxofxthexfollowingxcanxbindxtoxplasmaxmembranexreceptors?
a. Oxygen
b. Ribosomes
c. Amphipathicxlipids
d. Ligands
ANS:x D
Ligandsxarexthexonlyxspecificxmoleculesxthatxcanxbindxwithxreceptorsxonxthexcellxmembrane.

REF:x p.x9

6. Axnursexisxreviewingxaxreportxfromxaxpatientxwithxmetastaticxcancer.xWhatxalternationxinxthexe
xtracellularxmatrixxwouldxsuN
ppoR I exdG
iagnBo.
siC
sxofM
a. Decreasedxfibronectin
UrtxS
xth
xNxT Ometastaticxcancer?
b. Increasedxcollagen
c. Decreasedxelastin
d. Increasedxglycoproteins
ANS:x A
Onlyxaxreducedxamountxofxfibronectinxisxfoundxinxsomextypesxofxcancerousxcells,xallowingxt
hemxtoxtravelxorxmetastasize.

REF:x p.x10

7. Whichxformxofxcellxcommunicationxisxusedxtoxrelatextoxotherxcellsxinxdirectxphysicalxcontact?
a. Cellxjunction
b. Gapxjunction
c. Desmosome
d. Tightxjunction

ANS:x A
Cellxjunctionsxholdxcellsxtogetherxandxpermitxmoleculesxtoxpassxfromxcellxtoxcell.
Gapxjunctionsxallowxforxcellularxcommunicationxbetweenxcells.xNeitherxdesmosomesxnorxtightxj
unctionsxarexassociatedxwithxcellularxcommunication.
NURSINGTB.COM

,Sue E. Huether, Kathryn L. McCance -
x x x x x x




Test Bank for Understanding Pathophysiology (6t
x x x x x x




h Ed)-Test Bank (complete questions & answers)
x x x x x x




REF:x p.x11




NURSINGTB.COM

, Sue E. Huether, Kathryn L. McCance -
x x x x x x




Test Bank for Understanding Pathophysiology (6t
x x x x x x




h Ed)-Test Bank (complete questions & answers)
x x x x x x




8. Pancreaticxbetaxcellsxsecretexinsulin,xwhichxinhibitsxsecretionxofxglucagonxfromxneighboringxa
lphaxcells.xThisxactionxisxanxexamplexofxwhichxofxthexfollowingxsignalingxtypes?
a. Paracrine
b. Autocrine
c. Neurohormonal
d. Hormonal
ANS:x A
Paracrinexsignalingxinvolvesxthexreleasexofxlocalxchemicalxmediatorsxthatxarexquicklyxtakenxup,xd
estroyed,xorximmobilized,xasxinxthexcasexofxinsulinxandxthexinhibitionxofxthexsecretionxofxglucago
n.xNonexofxthexotherxoptionsxinvolvexsignalingxthatxisxassociatedxwithxaxlocalxchemicalxmediatorx
likexinsulin.

REF:x p.x12

9. Inxcellularxmetabolism,xeachxenzymexhasxaxhighxaffinityxforxa:
a. solute.
b. substrate.
c. receptor.
d. ribosome.
ANS:x B
Eachxenzymexhasxaxhighxaffinityxforxaxsubstrate,xaxspecificxsubstancexconvertedxtoxaxproductxofxt
hexreaction.xCellularxmetabolismxisxnotxdependentxonxanxattractionxbetweenxanxenzymexandxanyx
ofxthexremainingxoptions.

REF:xxxp.x16
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10. Anxathletexrunsxaxmarathon,xafterxwhichxhisxmusclesxfeelxfatiguedxandxunablextoxcontract.xThexat
hletexasksxthexnursexwhyxthisxhappened.xThexnurse’sxresponsexisxbasedxonxthexknowledgexthatxthex
problemxisxresultxofxaxdeficiencyxof:
a. GTP
b. AMP
c. ATP
d. GMP
ANS:x C
WhenxATPxisxdeficient,ximpairedxmusclexcontractionxresults.xNonexofxthexotherxoptionsxarexi
nvolvedxinxmusclexcontraction.

REF:x p.x16

11. WhichxphasexofxcatabolismxproducesxthexmostxATP?
a. Digestion
b. Glycolysis
c. Oxidation
d. Citricxacidxcycle
ANS:x D
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