Test bank for Understanding Pathophysiology 7th Edition Test Bank questions and answers | LATEST

, Understanding Pathophysiology 7th Edition Test Bank
DR DR DR DR DR



questions and answers
DR DR DR




Chapter DR1. DRCellular DRBiology

MULTIPLE DRCHOICE

1. A DRstudent DRis DRobserving DRa DRcell DRunder DRthe DRmicroscope. DRIt DRis DRobserved DRto DRhave
supercoiled DRDNA DRwith DRhistones. DRWhich DRof DRthe DRfollowing DRwould DRalso DRbe DRobserved
DR


DR by DRthe DRstudent?

a. A DRsingle DRcircular DRchromosome
b. A DRnucleus
c. Free-floating DRnuclear DRmaterial
d. No DRorganelles


ANS: DRB

The DRcell DRdescribed DRis DRa DReukaryotic DRcell, DRso DRit DRhas DRhistones DRand DRa DRsupercoiled DRDNA
within DRits DRnucleus; DRthus, DRthe DRnucleus DRshould DRbe DRobserved.
DR




A DRsingle DRcircular DRchromosome DRis DRcharacteristic DRof DRprokaryotic DRcells, DRwhich DRdo DRnot DRhave
DRhistones.




Free-floating DRnuclear DRmaterial DRdescribes DRa DRprokaryotic DRcell, DRwhich DRwould DRnot DRhave DRa
distinct DRnucleus.
DR




Eukaryotic DRcells DRhave DRmembrane DRbounded DRcellular DRcomponents DRcalled DRorganelles. DRNo
organelles DRdescribes DRa DRprokaryotic DRcell.
DR




2. A DRnurse DRis DRinstructing DRthe DRstaff DRabout DRcellular DRfunctions. DRWhich DRcellular DRfunction
is DRthe DRnurse DRdescribing DRwhen DRan DRisolated DRcell DRabsorbs DRoxygen DRand DRuses DRit DRto
DR


DR transform DRnutrients DRto DRenergy?

a. Metabolic DRabsorption
b. Communication
c. Secretion
d. Respiration

,ANS: DRD

The DRability DRof DRthe DRcell DRto DRabsorb DRoxygen DRrefers DRto DRthe DRcells DRfunction DRof DRrespiration.

The DRability DRof DRthe DRcell DRto DRfunction DRwithin DRa DRsociety DRof DRcells DRrefers DRto DRits DRfunction
of DRcommunication.
DR




The DRability DRof DRthe DRcell DRto DRtake DRin DRnutrients DRrefers DRto DRthe DRcells DRfunction DRof DRmetabolic
DRabsorption.




The DRability DRof DRthe DRcell DRto DRsynthesize DRnew DRsubstances DRand DRsecrete DRthese DRelsewhere
DR refers DRto DRthe DRcells DRfunction DRof DRsecretion.

3. A DReukaryotic DRcell DRis DRundergoing DRDNA DRreplication. DRIn DRwhich DRregion DRof DRthe DRcell
would DRmost DRof DRthe DRgenetic DRinformation DRbe DRcontained?
DR




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


ANS: DRC

The DRregion DRof DRthe DRcell DRthat DRcontains DRgenetic DRmaterial, DRincluding DRa DRlarge DRamount DRof
ribonucleic DRacid, DRmost DRof DRthe DRDNA, DRand DRDNA-binding DRproteins, DRis DRthe DRnucleolus.
DR




The DRmitochondria DRis DRthe DRsite DRof DRcellular DRrespiration.

The DRribosomes DRare DRinvolved DRin DRmanufacturing DRof DRproteins DRwithin DRthe DRcell.

The DRnucleus DRcontains DRthe DRnucleolus, DRand DRit DRis DRthe DRnucleolus DRthat DRcontains DRgenetic
DRmaterial.




4. The DRfluid DRmosaic DRmodel DRfor DRbiologic DRmembranes DRdescribes DRmembrane DRbehavior.
According DRto DRthis DRmodel, DRwhich DRof DRthe DRfollowing DRfloat DRsingly DRor DRas DRaggregates DRin
DR


DR the DRfluid DRlipid DRbilayer?

a. Peripheral DRmembrane DRproteins
b. Integral DRmembrane DRproteins

, c. Glycoproteins
d. Cell DRadhesion DRmolecules


ANS: DRB

Integral DRmembrane DRproteins DRfloat DRfreely DRin DRthe DRfluid DRlipid DRbilayer.

Peripheral DRmembrane DRproteins DRare DRnot DRembedded DRin DRthe DRlayer, DRbut DRreside DRat DRthe

surface. DRGlycoproteins DRact DRas DRcell DRsurface DRmarkers.
DR




Cell DRadhesion DRmolecules DRare DRon DRthe DRoutside DRof DRthe DRmembrane DRand DRallow DRcells DRto DRhook
DRtogether.




5. Which DRof DRthe DRfollowing DRcan DRbind DRto DRplasma DRmembrane DRreceptors?

a. Oxygen
b. Ribosomes
c. Amphipathic DRlipids
d. Ligands


ANS: DRD

Ligands DRare DRspecific DRmolecules DRthat DRcan DRbind DRwith DRreceptors DRon DRthe DRcell

membrane. DROxygen DRmoves DRby DRdiffusion; DRit DRdoes DRnot DRbind DRto DRreceptors.
DR




Ribosomes DRmake DRproteins DRand DRare DRnot DRinvolved DRin DRbinding.

DR Amphipathic DRlipids DRare DRa DRportion DRof DRthe DRcell DRmembrane.

6. A DRnurse DRis DRreviewing DRa DRreport DRfrom DRa DRpatient DRwith DRmetastatic DRcancer. DRWhat
DR finding DRwould DRsupport DRthe DRdiagnosis DRof DRmetastatic DRcancer? DRAlterations DRin
extracellular DRmatrix DRthat DRinclude:
DR




a. Decreased DRfibronectin
b. Increased DRcollagen
c. Decreased DRelastin