UNDERSTANDING PATHOPHYSIOLOGY u u
6th EDITION HUETHER
u
u u
CHAPTER 1-42 TEST BANK u u u
Chapteru01:uCellularuBiology
Huetheru&uMcCance:uUnderstandinguPathophysiology,u6thuEdition
MULTIPLEuCHOICE
1. Austudentuisuobservinguaucelluunderutheumicroscope.uItuisuobservedutouhaveusuperco
ileduDNAwithuhistones.uWhichuofutheufollowinguwouldualsoubeuobservedubyutheustu
dent?
a. Ausingleucircularuchromosome
b. Aunucleus
c. Free-floatingunuclearumaterial
d. Nouorganelles
ANS:u B
Theucelludescribeduisuaueukaryoticucell,usouituhasuhistonesuanduausupercoileduDNAu
withinuitsnucleus;uthus,utheunucleusushouldubeuobserved.uAusingleucircularuchrom
osomeucalleduauprokaryoteucontainsufree-
floatingunuclearumaterialubutuhasunouorganelles.
REF:u p.u2
2. Aunurseuisuinstructingutheustaffuaboutucellularufunctions.uWhichucellularufunctionuisu
theunurseudescribinguwhenuanuisolateducelluabsorbsuoxygenuanduusesuitutoutransformu
nutrientsutouenergy?
,a. Metabolicuabsorption
b. Communication
c. Secretion
d. Respiration
ANS:u D
Theucell’suabilityutouabsorbuoxygenuisureferredutouasurespirationuwhileuitsucommuni
cationuabilityinvolvesumaintenanceuofuausteadyudynamicustate,umetabolicuabsorptio
nuprovidesunutrition,uandusecretionuallowsuforutheusynthesizinguofunewusubstances.
REF:u p.u2
,3. AueukaryoticucelluisuundergoinguDNAureplication.uInuwhichuregionuofutheucelluwouldu
mostuoftheugeneticuinformationubeucontained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. NucleusuCytoplasm
ANS:u C
Theuregionuofutheucelluthatucontainsugeneticumaterial,uincludinguaulargeuamountuofurib
onucleicacid,umostuofutheuDNA,uanduDNA-
bindinguproteins,uisutheunucleolus,uwhichuisulocateduwithintheucell’sunucleus.uMitoch
ondriauisuassociateduwithucellularurespiration,uwhileuribosomesuareuinvolveduwithupro
teinumanufacturing.uCytoplasmuisuaufluidufillinguthatuisuaucomponentuofutheu cell.
REF:u p.u2
, 4. Whichuofutheufollowingucanuremoveuproteinsuattachedutoutheucell’subilayerubyu
dissolvinguthelayeruitself?
a. Peripheralumembraneuproteins
b. Integralumembraneuproteins
c. Glycoproteins
d. Celluadhesionumolecules
ANS:u B
Proteinsudirectlyuattachedutoutheumembraneubilayerucanubeuremovedubyutheuactionuofu
integralmembraneuproteinsuthatudissolveutheubilayer.uPeripheralumembraneuproteinsu
resideuatutheusurfaceuwhileucelluadhesionumoleculesuareuonutheuoutsideuofutheumembr
ane.uGlycoproteinumarksucellsuandudoesunotu float.
REF:u p.u7
5. Whichuofutheufollowingucanubindutouplasmaumembraneureceptors?
a. Oxygen
b. Ribosomes
c. Amphipathiculipids
d. Ligands
ANS:u D
Ligandsuareutheuonlyuspecificumoleculesuthatucanubinduwithureceptorsuonutheucellumembran
e.
REF:u p.u9
6. Aunurseuisureviewinguaureportufromuaupatientuwithumetastaticucancer.uWhatualter
nationuinutheextracellularumatrixuwouldusupportutheudiagnosisuofumetastaticucanc
er?
a. Decreasedufibronectin
b. Increaseducollagen
c. Decreaseduelastin
d. Increaseduglycoproteins
ANS:u A
Onlyuaureduceduamountuofufibronectinuisufounduinusomeutypesuofucancerousucells,uallowingt
hemutoutraveluorumetastasize.
6th EDITION HUETHER
u
u u
CHAPTER 1-42 TEST BANK u u u
Chapteru01:uCellularuBiology
Huetheru&uMcCance:uUnderstandinguPathophysiology,u6thuEdition
MULTIPLEuCHOICE
1. Austudentuisuobservinguaucelluunderutheumicroscope.uItuisuobservedutouhaveusuperco
ileduDNAwithuhistones.uWhichuofutheufollowinguwouldualsoubeuobservedubyutheustu
dent?
a. Ausingleucircularuchromosome
b. Aunucleus
c. Free-floatingunuclearumaterial
d. Nouorganelles
ANS:u B
Theucelludescribeduisuaueukaryoticucell,usouituhasuhistonesuanduausupercoileduDNAu
withinuitsnucleus;uthus,utheunucleusushouldubeuobserved.uAusingleucircularuchrom
osomeucalleduauprokaryoteucontainsufree-
floatingunuclearumaterialubutuhasunouorganelles.
REF:u p.u2
2. Aunurseuisuinstructingutheustaffuaboutucellularufunctions.uWhichucellularufunctionuisu
theunurseudescribinguwhenuanuisolateducelluabsorbsuoxygenuanduusesuitutoutransformu
nutrientsutouenergy?
,a. Metabolicuabsorption
b. Communication
c. Secretion
d. Respiration
ANS:u D
Theucell’suabilityutouabsorbuoxygenuisureferredutouasurespirationuwhileuitsucommuni
cationuabilityinvolvesumaintenanceuofuausteadyudynamicustate,umetabolicuabsorptio
nuprovidesunutrition,uandusecretionuallowsuforutheusynthesizinguofunewusubstances.
REF:u p.u2
,3. AueukaryoticucelluisuundergoinguDNAureplication.uInuwhichuregionuofutheucelluwouldu
mostuoftheugeneticuinformationubeucontained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. NucleusuCytoplasm
ANS:u C
Theuregionuofutheucelluthatucontainsugeneticumaterial,uincludinguaulargeuamountuofurib
onucleicacid,umostuofutheuDNA,uanduDNA-
bindinguproteins,uisutheunucleolus,uwhichuisulocateduwithintheucell’sunucleus.uMitoch
ondriauisuassociateduwithucellularurespiration,uwhileuribosomesuareuinvolveduwithupro
teinumanufacturing.uCytoplasmuisuaufluidufillinguthatuisuaucomponentuofutheu cell.
REF:u p.u2
, 4. Whichuofutheufollowingucanuremoveuproteinsuattachedutoutheucell’subilayerubyu
dissolvinguthelayeruitself?
a. Peripheralumembraneuproteins
b. Integralumembraneuproteins
c. Glycoproteins
d. Celluadhesionumolecules
ANS:u B
Proteinsudirectlyuattachedutoutheumembraneubilayerucanubeuremovedubyutheuactionuofu
integralmembraneuproteinsuthatudissolveutheubilayer.uPeripheralumembraneuproteinsu
resideuatutheusurfaceuwhileucelluadhesionumoleculesuareuonutheuoutsideuofutheumembr
ane.uGlycoproteinumarksucellsuandudoesunotu float.
REF:u p.u7
5. Whichuofutheufollowingucanubindutouplasmaumembraneureceptors?
a. Oxygen
b. Ribosomes
c. Amphipathiculipids
d. Ligands
ANS:u D
Ligandsuareutheuonlyuspecificumoleculesuthatucanubinduwithureceptorsuonutheucellumembran
e.
REF:u p.u9
6. Aunurseuisureviewinguaureportufromuaupatientuwithumetastaticucancer.uWhatualter
nationuinutheextracellularumatrixuwouldusupportutheudiagnosisuofumetastaticucanc
er?
a. Decreasedufibronectin
b. Increaseducollagen
c. Decreaseduelastin
d. Increaseduglycoproteins
ANS:u A
Onlyuaureduceduamountuofufibronectinuisufounduinusomeutypesuofucancerousucells,uallowingt
hemutoutraveluorumetastasize.
