Test Bank Understanding Pathophysiology 6th Edition All Chapters (1-42) | A+ ULTIMATE GUIE

UNDERSTANDING PATHOPHYSIOLOGY p p




6th EDITION HUETHER
p
p p




CHAPTER 1-42 TEST BANK p p p




Chapterp01:pCellularpBiology
Huetherp&pMcCance:pUnderstandingpPathophysiology,p6thpEdition




MULTIPLEpCHOICE


1. Apstudentpispobservingpapcellpunderpthepmicroscope.pItpispobservedptophavepsuperco
iledpDNAwithphistones.pWhichpofpthepfollowingpwouldpalsopbepobservedpbypthepstu
dent?
a. Apsinglepcircularpchromosome
b. Apnucleus
c. Free-floatingpnuclearpmaterial
d. Noporganelles

ANS:p B
Thepcellpdescribedpispapeukaryoticpcell,psopitphasphistonespandpapsupercoiledpDNAp
withinpitsnucleus;pthus,pthepnucleuspshouldpbepobserved.pApsinglepcircularpchrom
osomepcalledpapprokaryotepcontainspfree-
floatingpnuclearpmaterialpbutphaspnoporganelles.


REF:p p.p2


2. Apnursepispinstructingpthepstaffpaboutpcellularpfunctions.pWhichpcellularpfunctionpisp
thepnursepdescribingpwhenpanpisolatedpcellpabsorbspoxygenpandpusespitptoptransformp
nutrientsptopenergy?

,a. Metabolicpabsorption
b. Communication
c. Secretion
d. Respiration

ANS:p D
Thepcell’spabilityptopabsorbpoxygenpispreferredptopasprespirationpwhilepitspcommuni
cationpabilityinvolvespmaintenancepofpapsteadypdynamicpstate,pmetabolicpabsorptio
npprovidespnutrition,pandpsecretionpallowspforpthepsynthesizingpofpnewpsubstances.


REF:p p.p2

,3. ApeukaryoticpcellpispundergoingpDNApreplication.pInpwhichpregionpofpthepcellpwouldp
mostpofthepgeneticpinformationpbepcontained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. NucleuspCytoplasm

ANS:p C
Thepregionpofpthepcellpthatpcontainspgeneticpmaterial,pincludingpaplargepamountpofprib
onucleicacid,pmostpofpthepDNA,pandpDNA-
bindingpproteins,pispthepnucleolus,pwhichpisplocatedpwithinthepcell’spnucleus.pMitocho
ndriapispassociatedpwithpcellularprespiration,pwhilepribosomesparepinvolvedpwithpprot
einpmanufacturing.pCytoplasmpispapfluidpfillingpthatpispapcomponentpofpthep cell.


REF:p p.p2

, 4. Whichpofpthepfollowingpcanpremovepproteinspattachedptopthepcell’spbilayerpbyp
dissolvingpthelayerpitself?
a. Peripheralpmembranepproteins
b. Integralpmembranepproteins
c. Glycoproteins
d. Cellpadhesionpmolecules

ANS:p B
Proteinspdirectlypattachedptopthepmembranepbilayerpcanpbepremovedpbypthepactionpofp
integralmembranepproteinspthatpdissolvepthepbilayer.pPeripheralpmembranepproteinsp
residepatpthepsurfacepwhilepcellpadhesionpmoleculespareponpthepoutsidepofpthepmembr
ane.pGlycoproteinpmarkspcellspandpdoespnotp float.


REF:p p.p7


5. Whichpofpthepfollowingpcanpbindptopplasmapmembranepreceptors?
a. Oxygen
b. Ribosomes
c. Amphipathicplipids
d. Ligands

ANS:p D
Ligandspareptheponlypspecificpmoleculespthatpcanpbindpwithpreceptorsponpthepcellpmembran
e.


REF:p p.p9


6. Apnursepispreviewingpapreportpfrompappatientpwithpmetastaticpcancer.pWhatpalter
nationpinptheextracellularpmatrixpwouldpsupportpthepdiagnosispofpmetastaticpcanc
er?
a. Decreasedpfibronectin
b. Increasedpcollagen
c. Decreasedpelastin
d. Increasedpglycoproteins

ANS:p A
Onlypapreducedpamountpofpfibronectinpispfoundpinpsomeptypespofpcancerouspcells,pallowingt
hemptoptravelporpmetastasize.