Huether & McCance Understanding Pathophysiology, 6th Edition full test bank solution.pdf

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




mTest Bank for Understanding Pathophysiology (6
m m m m m




th Ed)-Test Bank (complete questions & answers)
m m m m m m




Chapter m01:mCellular mBiology
Huether m&mMcCance:mUnderstanding mPathophysiology,m6thmEdition


MULTIPLEmCHOICE

1. A mstudent mismobservingmamcellmundermthemmicroscope.mIt mismobserved mtomhavemsupercoiled mD
NA mwithmhistones.mWhichmof mthemfollowingmwould malsombemobserved mbymthemstudent?
a. Amsinglemcircularmchromosome
b. Amnucleus
c. Free-floatingmnuclearmmaterial
d. Nomorganelles
ANS:m B
Themcellmdescribed mismameukaryoticmcell,mso mit mhasmhistonesmand mamsupercoiled mDNAmwithin
mitsm
nucleus;mthus,mthemnucleusmshould mbemobserved.mA msinglemcircularmchromosomemcalled m
amprokaryotemcontainsmfree-floatingmnuclearmmaterialmbut mhasmnomorganelles.

REF:m p.m2

2. A mnursemisminstructingmthemstaff mabout mcellularmfunctions.mWhichmcellularmfunctionmis mthemnur
semdescribingmwhenmanmisolated mcellmabsorbsmoxygenmand musesmit mtomtransformmnutrientsmtomen
ergy?
a. Metabolicmabsorption
b. Communication
c. Secretion
d. Respiration
ANS:m D NURSINGTB.COM
Themcell’smabilitymtomabsorbmoxygenmismreferred mtomasmrespirationmwhilem itsmcommunicationmabil
ityminvolvesmmaintenancemof mamsteadymdynamicmstate,mmetabolicmabsorptionmprovidesmnutrition,m
and msecretionmallowsmformthemsynthesizingmof mnew msubstances.

REF:m p.m2

3. A meukaryoticmcellmismundergoingmDNA mreplication.mInmwhichmregionmof mthemcellmwould mmost
mof mthemgeneticminformationmbemcontained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. NucleusmCytoplasm
ANS:m C
Themregionmof mthemcellmthat mcontainsmgeneticmmaterial,mincludingmamlarge mamount mof mribonucl
eicmacid,mmost mof mthemDNA,mand mDNA-
bindingmproteins,mismthemnucleolus,mwhichmismlocated mwithinmthemcell’smnucleus. mMitochondria
mismassociated mwithmcellularmrespiration,mwhilem ribosomesmareminvolved mwithmproteinmmanufa

cturing.mCytoplasmmismamfluid mfillingmthat mismamcomponent mof mthemcell.

NURSINGTB.COM

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




mTest Bank for Understanding Pathophysiology (6
m m m m m




th Ed)-Test Bank (complete questions & answers)
m m m m m m




REF:m p.m2




NURSINGTB.COM

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




mTest Bank for Understanding Pathophysiology (6
m m m m m




th Ed)-Test Bank (complete questions & answers)
m m m m m m




4. Whichmof mthemfollowingmcanmremovemproteinsmattached mtomthemcell’smbilayermbymdissolvingm
themlayermitself?
a. Peripheralmmembranemproteins
b. Integralmmembranemproteins
c. Glycoproteins
d. Cellmadhesionmmolecules
ANS:m B
Proteinsmdirectlymattached mtomthemmembranembilayermcanmbemremoved mbymthemactionmof minteg
ralmmembranemproteinsmthat mdissolvemthembilayer.mPeripheralmmembranemproteinsm residemat mt
hemsurfacemwhilemcellmadhesionmmoleculesmaremonmthemoutsidemof mthemmembrane.mGlycoprot
einmmarksmcellsmand mdoesmnot mfloat.

REF:m p.m7

5. Whichmof mthemfollowingmcanmbind mtomplasmammembranemreceptors?
a. Oxygen
b. Ribosomes
c. Amphipathicmlipids
d. Ligands
ANS:m D
Ligandsmaremthemonlymspecificmmoleculesmthat mcanmbind mwithmreceptorsmonmthemcellmmembrane.

REF:m p.m9

6. A mnursemismreviewingmamreport mfrommampatient mwithmmetastaticmcancer.mWhat malternationmin m
suN
themextracellularmmatrixmwould mU ppoRrt mthIemdG
iagnBo.
siC
smof M
metastaticmcancer?
mS mN mT O
a. Decreased mfibronectin
b. Increased mcollagen
c. Decreased melastin
d. Increased mglycoproteins
ANS:m A
Onlymamreduced mamount mof mfibronectinmismfound minmsomemtypesmof mcancerousmcells,mallowi
ngmthemmtomtravelmormmetastasize.

REF:m p.m10

7. Whichmformmof mcellmcommunicationmismused mtomrelatemtomothermcellsminmdirect mphysical mcontact?
a. Cellmjunction
b. Gapmjunction
c. Desmosome
d. Tight mjunction
ANS:m A
Cellmjunctionsmhold mcellsmtogethermand mpermit mmoleculesmtompassmfrommcellmtomcell.
Gapmjunctionsmallow mformcellularmcommunicationmbetweenmcells. mNeithermdesmosomesmnormtig
ht mjunctionsmaremassociated mwithmcellularmcommunication.
NURSINGTB.COM

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




mTest Bank for Understanding Pathophysiology (6
m m m m m




th Ed)-Test Bank (complete questions & answers)
m m m m m m




REF:m p.m11




NURSINGTB.COM