Understanding Pathophysiology 7th Edition Test Bank
ve ve ve ve ve
Chapter ve1. veCellular veBiology
MULTIPLE veCHOICE
1. A vestudent veis veobserving vea vecell veunder vethe vemicroscope. veIt veis veobserved veto vehave
supercoiled veDNA vewith vehistones. veWhich veof vethe vefollowing vewould vealso vebe veobserved veby
ve
ve the vestudent?
a. A vesingle vecircular vechromosome
b. A venucleus
c. Free-floating venuclear vematerial
d. No veorganelles
ANS: veB
The vecell vedescribed veis vea veeukaryotic vecell, veso veit vehas vehistones veand vea vesupercoiled veDNA vewithin
its venucleus; vethus, vethe venucleus veshould vebe veobserved.
ve
A vesingle vecircular vechromosome veis vecharacteristic veof veprokaryotic vecells, vewhich vedo venot vehave
vehistones.
Free-floating venuclear vematerial vedescribes vea veprokaryotic vecell, vewhich vewould venot vehave vea vedistinct
ve nucleus.
Eukaryotic vecells vehave vemembrane vebounded vecellular vecomponents vecalled veorganelles. veNo
organelles vedescribes vea veprokaryotic vecell.
ve
2. A venurse veis veinstructing vethe vestaff veabout vecellular vefunctions. veWhich vecellular vefunction veis
the venurse vedescribing vewhen vean veisolated vecell veabsorbs veoxygen veand veuses veit veto vetransform
ve
ve nutrients veto veenergy?
a. Metabolic veabsorption
b. Communication
c. Secretion
d. Respiration
,ANS: veD
The veability veof vethe vecell veto veabsorb veoxygen verefers veto vethe vecells vefunction veof verespiration.
The veability veof vethe vecell veto vefunction vewithin vea vesociety veof vecells verefers veto veits vefunction veof
ve communication.
The veability veof vethe vecell veto vetake vein venutrients verefers veto vethe vecells vefunction veof vemetabolic
veabsorption.
The veability veof vethe vecell veto vesynthesize venew vesubstances veand vesecrete vethese veelsewhere verefers veto
the vecells vefunction veof vesecretion.
ve
3. A veeukaryotic vecell veis veundergoing veDNA vereplication. veIn vewhich veregion veof vethe vecell vewould
most veof vethe vegenetic veinformation vebe vecontained?
ve
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS: veC
The veregion veof vethe vecell vethat vecontains vegenetic vematerial, veincluding vea velarge veamount veof
ribonucleic veacid, vemost veof vethe veDNA, veand veDNA-binding veproteins, veis vethe venucleolus.
ve
The vemitochondria veis vethe vesite veof vecellular verespiration.
The veribosomes veare veinvolved vein vemanufacturing veof veproteins vewithin vethe vecell.
The venucleus vecontains vethe venucleolus, veand veit veis vethe venucleolus vethat vecontains vegenetic vematerial.
4. The vefluid vemosaic vemodel vefor vebiologic vemembranes vedescribes vemembrane vebehavior.
According veto vethis vemodel, vewhich veof vethe vefollowing vefloat vesingly veor veas veaggregates vein vethe
ve
ve fluid velipid vebilayer?
a. Peripheral vemembrane veproteins
b. Integral vemembrane veproteins
, c. Glycoproteins
d. Cell veadhesion vemolecules
ANS: veB
Integral vemembrane veproteins vefloat vefreely vein vethe vefluid velipid vebilayer.
Peripheral vemembrane veproteins veare venot veembedded vein vethe velayer, vebut vereside veat vethe vesurface.
ve Glycoproteins veact veas vecell vesurface vemarkers.
Cell veadhesion vemolecules veare veon vethe veoutside veof vethe vemembrane veand veallow vecells veto vehook
vetogether.
5. Which veof vethe vefollowing vecan vebind veto veplasma vemembrane vereceptors?
a. Oxygen
b. Ribosomes
c. Amphipathic velipids
d. Ligands
ANS: veD
Ligands veare vespecific vemolecules vethat vecan vebind vewith vereceptors veon vethe vecell vemembrane.
ve Oxygen vemoves veby vediffusion; veit vedoes venot vebind veto vereceptors.
Ribosomes vemake veproteins veand veare venot veinvolved vein
binding. veAmphipathic velipids veare vea veportion veof vethe vecell
ve
ve membrane.
6. A venurse veis vereviewing vea vereport vefrom vea vepatient vewith vemetastatic vecancer. veWhat vefinding
would vesupport vethe vediagnosis veof vemetastatic vecancer? veAlterations vein veextracellular vematrix
ve
that veinclude:
ve
a. Decreased vefibronectin
b. Increased vecollagen
, c. Decreased veelastin
ve ve ve ve ve
Chapter ve1. veCellular veBiology
MULTIPLE veCHOICE
1. A vestudent veis veobserving vea vecell veunder vethe vemicroscope. veIt veis veobserved veto vehave
supercoiled veDNA vewith vehistones. veWhich veof vethe vefollowing vewould vealso vebe veobserved veby
ve
ve the vestudent?
a. A vesingle vecircular vechromosome
b. A venucleus
c. Free-floating venuclear vematerial
d. No veorganelles
ANS: veB
The vecell vedescribed veis vea veeukaryotic vecell, veso veit vehas vehistones veand vea vesupercoiled veDNA vewithin
its venucleus; vethus, vethe venucleus veshould vebe veobserved.
ve
A vesingle vecircular vechromosome veis vecharacteristic veof veprokaryotic vecells, vewhich vedo venot vehave
vehistones.
Free-floating venuclear vematerial vedescribes vea veprokaryotic vecell, vewhich vewould venot vehave vea vedistinct
ve nucleus.
Eukaryotic vecells vehave vemembrane vebounded vecellular vecomponents vecalled veorganelles. veNo
organelles vedescribes vea veprokaryotic vecell.
ve
2. A venurse veis veinstructing vethe vestaff veabout vecellular vefunctions. veWhich vecellular vefunction veis
the venurse vedescribing vewhen vean veisolated vecell veabsorbs veoxygen veand veuses veit veto vetransform
ve
ve nutrients veto veenergy?
a. Metabolic veabsorption
b. Communication
c. Secretion
d. Respiration
,ANS: veD
The veability veof vethe vecell veto veabsorb veoxygen verefers veto vethe vecells vefunction veof verespiration.
The veability veof vethe vecell veto vefunction vewithin vea vesociety veof vecells verefers veto veits vefunction veof
ve communication.
The veability veof vethe vecell veto vetake vein venutrients verefers veto vethe vecells vefunction veof vemetabolic
veabsorption.
The veability veof vethe vecell veto vesynthesize venew vesubstances veand vesecrete vethese veelsewhere verefers veto
the vecells vefunction veof vesecretion.
ve
3. A veeukaryotic vecell veis veundergoing veDNA vereplication. veIn vewhich veregion veof vethe vecell vewould
most veof vethe vegenetic veinformation vebe vecontained?
ve
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS: veC
The veregion veof vethe vecell vethat vecontains vegenetic vematerial, veincluding vea velarge veamount veof
ribonucleic veacid, vemost veof vethe veDNA, veand veDNA-binding veproteins, veis vethe venucleolus.
ve
The vemitochondria veis vethe vesite veof vecellular verespiration.
The veribosomes veare veinvolved vein vemanufacturing veof veproteins vewithin vethe vecell.
The venucleus vecontains vethe venucleolus, veand veit veis vethe venucleolus vethat vecontains vegenetic vematerial.
4. The vefluid vemosaic vemodel vefor vebiologic vemembranes vedescribes vemembrane vebehavior.
According veto vethis vemodel, vewhich veof vethe vefollowing vefloat vesingly veor veas veaggregates vein vethe
ve
ve fluid velipid vebilayer?
a. Peripheral vemembrane veproteins
b. Integral vemembrane veproteins
, c. Glycoproteins
d. Cell veadhesion vemolecules
ANS: veB
Integral vemembrane veproteins vefloat vefreely vein vethe vefluid velipid vebilayer.
Peripheral vemembrane veproteins veare venot veembedded vein vethe velayer, vebut vereside veat vethe vesurface.
ve Glycoproteins veact veas vecell vesurface vemarkers.
Cell veadhesion vemolecules veare veon vethe veoutside veof vethe vemembrane veand veallow vecells veto vehook
vetogether.
5. Which veof vethe vefollowing vecan vebind veto veplasma vemembrane vereceptors?
a. Oxygen
b. Ribosomes
c. Amphipathic velipids
d. Ligands
ANS: veD
Ligands veare vespecific vemolecules vethat vecan vebind vewith vereceptors veon vethe vecell vemembrane.
ve Oxygen vemoves veby vediffusion; veit vedoes venot vebind veto vereceptors.
Ribosomes vemake veproteins veand veare venot veinvolved vein
binding. veAmphipathic velipids veare vea veportion veof vethe vecell
ve
ve membrane.
6. A venurse veis vereviewing vea vereport vefrom vea vepatient vewith vemetastatic vecancer. veWhat vefinding
would vesupport vethe vediagnosis veof vemetastatic vecancer? veAlterations vein veextracellular vematrix
ve
that veinclude:
ve
a. Decreased vefibronectin
b. Increased vecollagen
, c. Decreased veelastin
