, Understanding Pathophysiology8th Edition Test Bank
UI UI UI UI
ChapterUI1.UICellularUIBiology
MULTIPLEUICHOICE
1. AUIstudentUIisUIobservingUIaUIcellUIunderUItheUImicroscope.UIItUIisUIobservedUItoUIhaveUIsupercoiled
UI DNAUIwithUIhistones.UIWhichUIofUItheUIfollowingUIwouldUIalsoUIbeUIobservedUIbyUItheUIstudent?
a. AUIsingleUIcircularUIchromosome
b. AUInucleus
c. Free-floatingUInuclearUImaterial
d. NoUIorganelles
ANS:UIB
TheUIcellUIdescribedUIisUIaUIeukaryoticUIcell,UIsoUIitUIhasUIhistonesUIandUIaUIsupercoiledUIDNAUIwithinUIitsU
I nucleus;UIthus,UItheUInucleusUIshouldUIbeUIobserved.
AUIsingleUIcircularUIchromosomeUIisUIcharacteristicUIofUIprokaryoticUIcells,UIwhichUIdoUInotUIhaveUIhisto
nes.
Free-
floatingUInuclearUImaterialUIdescribesUIaUIprokaryoticUIcell,UIwhichUIwouldUInotUIhaveUIaUIdistinctUInucle
us.
EukaryoticUIcellsUIhaveUImembraneUIboundedUIcellularUIcomponentsUIcalledUIorganelles.UINoUIorganell
esUIdescribesUIaUIprokaryoticUIcell.
2. AUInurseUIisUIinstructingUItheUIstaffUIaboutUIcellularUIfunctions.UIWhichUIcellularUIfunctionUIisUItheU
nurseUIdescribingUIwhenUIanUIisolatedUIcellUIabsorbsUIoxygenUIandUIusesUIitUItoUItransformUInutrient
I
sUItoUIenergy?
a. MetabolicUIabsorption
b. Communication
c. Secretion
d. Respiration
,ANS:UID
TheUIabilityUIofUItheUIcellUItoUIabsorbUIoxygenUIrefersUItoUItheUIcellsUIfunctionUIofUIrespiration.
TheUIabilityUIofUItheUIcellUItoUIfunctionUIwithinUIaUIsocietyUIofUIcellsUIrefersUItoUIitsUIfunctionUIofUIcomm
unication.
TheUIabilityUIofUItheUIcellUItoUItakeUIinUInutrientsUIrefersUItoUItheUIcellsUIfunctionUIofUImetabolicUIabsorpti
on.
TheUIabilityUIofUItheUIcellUItoUIsynthesizeUInewUIsubstancesUIandUIsecreteUItheseUIelsewhereUIrefersUItoUIth
eUIcellsUIfunctionUIofUIsecretion.
3. AUIeukaryoticUIcellUIisUIundergoingUIDNAUIreplication.UIInUIwhichUIregionUIofUItheUIcellUIwouldUI
mostUIofUItheUIgeneticUIinformationUIbeUIcontained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS:UIC
TheUIregionUIofUItheUIcellUIthatUIcontainsUIgeneticUImaterial,UIincludingUIaUIlargeUIamountUIofUIribonuc
leicUIacid,UImostUIofUItheUIDNA,UIandUIDNA-bindingUIproteins,UIisUItheUInucleolus.
TheUImitochondriaUIisUItheUIsiteUIofUIcellularUIrespiration.
TheUIribosomesUIareUIinvolvedUIinUImanufacturingUIofUIproteinsUIwithinUItheUIcell.
TheUInucleusUIcontainsUItheUInucleolus,UIandUIitUIisUItheUInucleolusUIthatUIcontainsUIgeneticUImaterial.
4. TheUIfluidUImosaicUImodelUIforUIbiologicUImembranesUIdescribesUImembraneUIbehavior.UIAccordi
ngUItoUIthisUImodel,UIwhichUIofUItheUIfollowingUIfloatUIsinglyUIorUIasUIaggregatesUIinUItheUIfluidUIlipidUIb
ilayer?
a. PeripheralUImembraneUIproteins
b. IntegralUImembraneUIproteins
, c. Glycoproteins
d. CellUIadhesionUImolecules
ANS:UIB
IntegralUImembraneUIproteinsUIfloatUIfreelyUIinUItheUIfluidUIlipidUIbilayer.
PeripheralUImembraneUIproteinsUIareUInotUIembeddedUIinUItheUIlayer,UIbutUIresideUIatUItheUIsurface.UIGlyc
oproteinsUIactUIasUIcellUIsurfaceUImarkers.
CellUIadhesionUImoleculesUIareUIonUItheUIoutsideUIofUItheUImembraneUIandUIallowUIcellsUItoUIhookUItoget
her.
5. WhichUIofUItheUIfollowingUIcanUIbindUItoUIplasmaUImembraneUIreceptors?
a. Oxygen
b. Ribosomes
c. AmphipathicUIlipids
d. Ligands
ANS:UID
LigandsUIareUIspecificUImoleculesUIthatUIcanUIbindUIwithUIreceptorsUIonUItheUIcellUImembrane.UI
OxygenUImovesUIbyUIdiffusion;UIitUIdoesUInotUIbindUItoUIreceptors.
RibosomesUImakeUIproteinsUIandUIareUInotUIinvolvedUIinUIbindi
ng.UIAmphipathicUIlipidsUIareUIaUIportionUIofUItheUIcellUImemb
rane.
6. AUInurseUIisUIreviewingUIaUIreportUIfromUIaUIpatientUIwithUImetastaticUIcancer.UIWhatUIfindingUI
wouldUIsupportUItheUIdiagnosisUIofUImetastaticUIcancer?UIAlterationsUIinUIextracellularUImatrixUIt
hatUIinclude:
a. DecreasedUIfibronectin
b. IncreasedUIcollagen
UI UI UI UI
ChapterUI1.UICellularUIBiology
MULTIPLEUICHOICE
1. AUIstudentUIisUIobservingUIaUIcellUIunderUItheUImicroscope.UIItUIisUIobservedUItoUIhaveUIsupercoiled
UI DNAUIwithUIhistones.UIWhichUIofUItheUIfollowingUIwouldUIalsoUIbeUIobservedUIbyUItheUIstudent?
a. AUIsingleUIcircularUIchromosome
b. AUInucleus
c. Free-floatingUInuclearUImaterial
d. NoUIorganelles
ANS:UIB
TheUIcellUIdescribedUIisUIaUIeukaryoticUIcell,UIsoUIitUIhasUIhistonesUIandUIaUIsupercoiledUIDNAUIwithinUIitsU
I nucleus;UIthus,UItheUInucleusUIshouldUIbeUIobserved.
AUIsingleUIcircularUIchromosomeUIisUIcharacteristicUIofUIprokaryoticUIcells,UIwhichUIdoUInotUIhaveUIhisto
nes.
Free-
floatingUInuclearUImaterialUIdescribesUIaUIprokaryoticUIcell,UIwhichUIwouldUInotUIhaveUIaUIdistinctUInucle
us.
EukaryoticUIcellsUIhaveUImembraneUIboundedUIcellularUIcomponentsUIcalledUIorganelles.UINoUIorganell
esUIdescribesUIaUIprokaryoticUIcell.
2. AUInurseUIisUIinstructingUItheUIstaffUIaboutUIcellularUIfunctions.UIWhichUIcellularUIfunctionUIisUItheU
nurseUIdescribingUIwhenUIanUIisolatedUIcellUIabsorbsUIoxygenUIandUIusesUIitUItoUItransformUInutrient
I
sUItoUIenergy?
a. MetabolicUIabsorption
b. Communication
c. Secretion
d. Respiration
,ANS:UID
TheUIabilityUIofUItheUIcellUItoUIabsorbUIoxygenUIrefersUItoUItheUIcellsUIfunctionUIofUIrespiration.
TheUIabilityUIofUItheUIcellUItoUIfunctionUIwithinUIaUIsocietyUIofUIcellsUIrefersUItoUIitsUIfunctionUIofUIcomm
unication.
TheUIabilityUIofUItheUIcellUItoUItakeUIinUInutrientsUIrefersUItoUItheUIcellsUIfunctionUIofUImetabolicUIabsorpti
on.
TheUIabilityUIofUItheUIcellUItoUIsynthesizeUInewUIsubstancesUIandUIsecreteUItheseUIelsewhereUIrefersUItoUIth
eUIcellsUIfunctionUIofUIsecretion.
3. AUIeukaryoticUIcellUIisUIundergoingUIDNAUIreplication.UIInUIwhichUIregionUIofUItheUIcellUIwouldUI
mostUIofUItheUIgeneticUIinformationUIbeUIcontained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS:UIC
TheUIregionUIofUItheUIcellUIthatUIcontainsUIgeneticUImaterial,UIincludingUIaUIlargeUIamountUIofUIribonuc
leicUIacid,UImostUIofUItheUIDNA,UIandUIDNA-bindingUIproteins,UIisUItheUInucleolus.
TheUImitochondriaUIisUItheUIsiteUIofUIcellularUIrespiration.
TheUIribosomesUIareUIinvolvedUIinUImanufacturingUIofUIproteinsUIwithinUItheUIcell.
TheUInucleusUIcontainsUItheUInucleolus,UIandUIitUIisUItheUInucleolusUIthatUIcontainsUIgeneticUImaterial.
4. TheUIfluidUImosaicUImodelUIforUIbiologicUImembranesUIdescribesUImembraneUIbehavior.UIAccordi
ngUItoUIthisUImodel,UIwhichUIofUItheUIfollowingUIfloatUIsinglyUIorUIasUIaggregatesUIinUItheUIfluidUIlipidUIb
ilayer?
a. PeripheralUImembraneUIproteins
b. IntegralUImembraneUIproteins
, c. Glycoproteins
d. CellUIadhesionUImolecules
ANS:UIB
IntegralUImembraneUIproteinsUIfloatUIfreelyUIinUItheUIfluidUIlipidUIbilayer.
PeripheralUImembraneUIproteinsUIareUInotUIembeddedUIinUItheUIlayer,UIbutUIresideUIatUItheUIsurface.UIGlyc
oproteinsUIactUIasUIcellUIsurfaceUImarkers.
CellUIadhesionUImoleculesUIareUIonUItheUIoutsideUIofUItheUImembraneUIandUIallowUIcellsUItoUIhookUItoget
her.
5. WhichUIofUItheUIfollowingUIcanUIbindUItoUIplasmaUImembraneUIreceptors?
a. Oxygen
b. Ribosomes
c. AmphipathicUIlipids
d. Ligands
ANS:UID
LigandsUIareUIspecificUImoleculesUIthatUIcanUIbindUIwithUIreceptorsUIonUItheUIcellUImembrane.UI
OxygenUImovesUIbyUIdiffusion;UIitUIdoesUInotUIbindUItoUIreceptors.
RibosomesUImakeUIproteinsUIandUIareUInotUIinvolvedUIinUIbindi
ng.UIAmphipathicUIlipidsUIareUIaUIportionUIofUItheUIcellUImemb
rane.
6. AUInurseUIisUIreviewingUIaUIreportUIfromUIaUIpatientUIwithUImetastaticUIcancer.UIWhatUIfindingUI
wouldUIsupportUItheUIdiagnosisUIofUImetastaticUIcancer?UIAlterationsUIinUIextracellularUImatrixUIt
hatUIinclude:
a. DecreasedUIfibronectin
b. IncreasedUIcollagen