Understanding Pathophysiology 7th edition by Huether, McCance Test Bank
Latest Updated Examination Study Guide 2022
Test bank For Huether and McCances Understanding Pathophys
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iology, Canadian Edition 2nd Edition by Kelly Power-
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Kean, Stephanie Zettel, Mohamed Toufic El-
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Hussein, Sue E. Huether, Kathryn L. McCance |Chapter 1-42 |
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Understandingz Pathophysiologyz 7thz editionz byz Huether,z McCancez Testz Bank
Chapterz1.zCellularzBiology
MULTIPLEzCHOICE
1. Azstudentziszobservingzazcellzunderzthezmicroscope.zItziszobservedztozhavezsupercoiledzDNAz
withzhistones.zWhichzofzthezfollowingzwouldzalsozbezobservedzbyzthezstudent?
a. Azsinglezcircularzchromosome
b. Aznucleus
c. Free-floatingznuclearzmaterial
d. Nozorganelles
ANS:zB
Thezcellzdescribedziszazeukaryoticzcell,zsozitzhaszhistoneszandzazsupercoiledzDNAzwithinzitszn
ucleus;zthus,ztheznucleuszshouldzbezobserved.
Azsinglezcircularzchromosomeziszcharacteristiczofzprokaryoticzcells,zwhichzdoznotzhavezhistones.
Free-
floatingznuclearzmaterialzdescribeszazprokaryoticzcell,zwhichzwouldznotzhavezazdistinctznucleus.
Eukaryoticzcellszhavezmembranezboundedzcellularzcomponentszcalledzorganelles.zNozorganellesz
describeszazprokaryoticzcell.
,Understanding Pathophysiology 7th edition by Huether, McCance Test Bank
Latest Updated Examination Study Guide 2022
2. Aznurseziszinstructingzthezstaffzaboutzcellularzfunctions.zWhichzcellularzfunctionzisztheznursez
describingzwhenzanzisolatedzcellzabsorbszoxygenzandzuseszitztoztransformznutrientsztozenergy?
a. Metaboliczabsorption
b. Communication
c. Secretion
d. Respiration
,Understanding Pathophysiology 7th edition by Huether, McCance Test Bank
Latest Updated Examination Study Guide 2022
ANS:zD
Thezabilityzofzthezcellztozabsorbzoxygenzrefersztozthezcellszfunctionzofzrespiration.
Thezabilityzofzthezcellztozfunctionzwithinzazsocietyzofzcellszrefersztozitszfunctionzofzc
ommunication.
Thezabilityzofzthezcellztoztakezinznutrientszrefersztozthezcellszfunctionzofzmetaboliczabsorption.
Thezabilityzofzthezcellztozsynthesizeznewzsubstanceszandzsecretezthesezelsewherezrefersztozthezcellszf
unctionzofzsecretion.
3. AzeukaryoticzcellziszundergoingzDNAzreplication.zInzwhichzregionzofzthezcellzwouldzmostzofzt
hezgeneticzinformationzbezcontained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS:zC
Thezregionzofzthezcellzthatzcontainszgeneticzmaterial,zincludingzazlargezamountzofzribonucleicza
cid,zmostzofzthezDNA,zandzDNA-bindingzproteins,zisztheznucleolus.
Thezmitochondriaziszthezsitezofzcellularzrespiration.
Thezribosomeszarezinvolvedzinzmanufacturingzofzproteinszwithinzthezcell.
Theznucleuszcontainsztheznucleolus,zandzitzisztheznucleoluszthatzcontainszgeneticzmaterial.
4. Thezfluidzmosaiczmodelzforzbiologiczmembraneszdescribeszmembranezbehavior.zAccordingztozt
hiszmodel,zwhichzofzthezfollowingzfloatzsinglyzorzaszaggregateszinzthezfluidzlipidzbilayer?
a. Peripheralzmembranezproteins
b. Integralzmembranezproteins
, Understanding Pathophysiology 7th edition by Huether, McCance Test Bank
Latest Updated Examination Study Guide 2022
c. Glycoproteins
d. Cellzadhesionzmolecules
ANS:zB
Integralzmembranezproteinszfloatzfreelyzinzthezfluidzlipidzbilayer.
Peripheralzmembranezproteinszareznotzembeddedzinzthezlayer,zbutzresidezatzthezsurface.z
Glycoproteinszactzaszcellzsurfacezmarkers.
Cellzadhesionzmoleculeszarezonzthezoutsidezofzthezmembranezandzallowzcellsztozhookztogether.
5. Whichzofzthezfollowingzcanzbindztozplasmazmembranezreceptors?
a. Oxygen
b. Ribosomes
c. Amphipathiczlipids
d. Ligands
ANS:zD
Ligandszarezspecificzmoleculeszthatzcanzbindzwithzreceptorszonzthezcellzmembrane.z
Oxygenzmoveszbyzdiffusion;zitzdoesznotzbindztozreceptors.
Ribosomeszmakezproteinszandzareznotzinvolvedzinzbinding.z
Amphipathiczlipidszarezazportionzofzthezcellzmembrane.
6. Aznurseziszreviewingzazreportzfromzazpatientzwithzmetastaticzcancer.zWhatzfindingzwouldzs
upportzthezdiagnosiszofzmetastaticzcancer?zAlterationszinzextracellularzmatrixzthatzinclude:
a. Decreasedzfibronectin
b. Increasedzcollagen
c. Decreasedzelastin