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

Understanding Pathophysiology 7th edition by Huether, McCance Test Bank

Chapterwd1.wdCellularwdBiology

MULTIPLEwdCHOICE

1. Awdstudentwdiswdobservingwdawdcellwdunderwdthewdmicroscope.wdItwdiswdobservedwdtowdhave
wdsupercoiledwdDNAwdwithwdhistones.wdWhichwdofwdthewdfollowingwdwouldwdalsowdbewdobse

rvedwdbywdthewdstudent?

a. Awdsinglewdcircularwdchromosome
b. Awdnucleus
c. Free-floatingwdnuclearwdmaterial
d. Nowdorganelles


ANS:wdB

Thewdcellwddescribedwdiswdawdeukaryoticwdcell,wdsowditwdhaswdhistoneswdandwdawdsupercoiledwdD
NAwdwithinwditswdnucleus;wdthus,wdthewdnucleuswdshouldwdbewdobserved.

Awdsinglewdcircularwdchromosomewdiswdcharacteristicwdofwdprokaryoticwdcells,wdwhichwddowdnotwdha
vewdhistones.

Free-
floatingwdnuclearwdmaterialwddescribeswdawdprokaryoticwdcell,wdwhichwdwouldwdnotwdhavewdawdd
istinctwdnucleus.

Eukaryoticwdcellswdhavewdmembranewdboundedwdcellularwdcomponentswdcalledwdorganelles.wdN
owdorganelleswddescribeswdawdprokaryoticwdcell.

2. Awdnursewdiswdinstructingwdthewdstaffwdaboutwdcellularwdfunctions.wdWhichwdcellularwdfunct
ionwdiswdthewdnursewddescribingwdwhenwdanwdisolatedwdcellwdabsorbswdoxygenwdandwduseswdit
wdtowdtransformwdnutrientswdtowdenergy?


a. Metabolicwdabsorption
b. Communication
c. Secretion

,d. Respiration

,ANS:wdD

Thewdabilitywdofwdthewdcellwdtowdabsorbwdoxygenwdreferswdtowdthewdcellswdfunctionwdofwdrespiration.

Thewdabilitywdofwdthewdcellwdtowdfunctionwdwithinwdawdsocietywdofwdcellswdreferswdtowditswdfunct
ionwdofwdcommunication.

Thewdabilitywdofwdthewdcellwdtowdtakewdinwdnutrientswdreferswdtowdthewdcellswdfunctionwdofwdmetaboli
cwdabsorption.

Thewdabilitywdofwdthewdcellwdtowdsynthesizewdnewwdsubstanceswdandwdsecretewdthesewdelsewherewdref
erswdtowdthewdcellswdfunctionwdofwdsecretion.

3. AwdeukaryoticwdcellwdiswdundergoingwdDNAwdreplication.wdInwdwhichwdregionwdofwdthewdce
llwdwouldwdmostwdofwdthewdgeneticwdinformationwdbewdcontained?

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


ANS:wdC

Thewdregionwdofwdthewdcellwdthatwdcontainswdgeneticwdmaterial,wdincludingwdawdlargewdamountw
dofwdribonucleicwdacid,wdmostwdofwdthewdDNA,wdandwdDNA-

bindingwdproteins,wdiswdthewdnucleolus.

Thewdmitochondriawdiswdthewdsitewdofwdcellularwdrespiration.

Thewdribosomeswdarewdinvolvedwdinwdmanufacturingwdofwdproteinswdwithinwdthewdcell.

Thewdnucleuswdcontainswdthewdnucleolus,wdandwditwdiswdthewdnucleoluswdthatwdcontainswdgeneticwdma
terial.

4. Thewdfluidwdmosaicwdmodelwdforwdbiologicwdmembraneswddescribeswdmembranewdbehavior.w
dAccordingwdtowdthiswdmodel,wdwhichwdofwdthewdfollowingwdfloatwdsinglywdorwdaswdaggregates

wdinwdthewdfluidwdlipidwdbilayer?


a. Peripheralwdmembranewdproteins

, b. Integralwdmembranewdproteins