Understanding Pathophysiology 7th Edition Test Bank
gh gh gh gh gh
Chapter gh1. ghCellular ghBiology
MULTIPLE ghCHOICE
1. A ghstudent ghis ghobserving gha ghcell ghunder ghthe ghmicroscope. ghIt ghis ghobserved ghto ghhave
ghsupercoiled ghDNA ghwith ghhistones. ghWhich ghof ghthe ghfollowing ghwould ghalso ghbe ghobserved ghby
gh the ghstudent?
a. A ghsingle ghcircular ghchromosome
b. A ghnucleus
c. Free-floating ghnuclear ghmaterial
d. No ghorganelles
ANS: ghB
The ghcell ghdescribed ghis gha gheukaryotic ghcell, ghso ghit ghhas ghhistones ghand gha ghsupercoiled ghDNA ghwithin
ghits ghnucleus; ghthus, ghthe ghnucleus ghshould ghbe ghobserved.
A ghsingle ghcircular ghchromosome ghis ghcharacteristic ghof ghprokaryotic ghcells, ghwhich ghdo ghnot ghhave
ghhistones.
Free-floating ghnuclear ghmaterial ghdescribes gha ghprokaryotic ghcell, ghwhich ghwould ghnot ghhave gha
distinct ghnucleus.
gh
Eukaryotic ghcells ghhave ghmembrane ghbounded ghcellular ghcomponents ghcalled ghorganelles. ghNo
organelles ghdescribes gha ghprokaryotic ghcell.
gh
2. A ghnurse ghis ghinstructing ghthe ghstaff ghabout ghcellular ghfunctions. ghWhich ghcellular ghfunction ghis
ghthe ghnurse ghdescribing ghwhen ghan ghisolated ghcell ghabsorbs ghoxygen ghand ghuses ghit ghto ghtransform
gh nutrients ghto ghenergy?
a. Metabolic ghabsorption
b. Communication
c. Secretion
d. Respiration
,ANS: ghD
The ghability ghof ghthe ghcell ghto ghabsorb ghoxygen ghrefers ghto ghthe ghcells ghfunction ghof ghrespiration.
The ghability ghof ghthe ghcell ghto ghfunction ghwithin gha ghsociety ghof ghcells ghrefers ghto ghits ghfunction ghof
gh communication.
The ghability ghof ghthe ghcell ghto ghtake ghin ghnutrients ghrefers ghto ghthe ghcells ghfunction ghof ghmetabolic
ghabsorption.
The ghability ghof ghthe ghcell ghto ghsynthesize ghnew ghsubstances ghand ghsecrete ghthese ghelsewhere ghrefers ghto
ghthe ghcells ghfunction ghof ghsecretion.
3. A gheukaryotic ghcell ghis ghundergoing ghDNA ghreplication. ghIn ghwhich ghregion ghof ghthe ghcell ghwould
ghmost ghof ghthe ghgenetic ghinformation ghbe ghcontained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS: ghC
The ghregion ghof ghthe ghcell ghthat ghcontains ghgenetic ghmaterial, ghincluding gha ghlarge ghamount ghof
ghribonucleic ghacid, ghmost ghof ghthe ghDNA, ghand ghDNA-binding ghproteins, ghis ghthe ghnucleolus.
The ghmitochondria ghis ghthe ghsite ghof ghcellular ghrespiration.
The ghribosomes ghare ghinvolved ghin ghmanufacturing ghof ghproteins ghwithin ghthe ghcell.
The ghnucleus ghcontains ghthe ghnucleolus, ghand ghit ghis ghthe ghnucleolus ghthat ghcontains ghgenetic ghmaterial.
4. The ghfluid ghmosaic ghmodel ghfor ghbiologic ghmembranes ghdescribes ghmembrane ghbehavior.
According ghto ghthis ghmodel, ghwhich ghof ghthe ghfollowing ghfloat ghsingly ghor ghas ghaggregates ghin ghthe
gh
gh fluid ghlipid ghbilayer?
a. Peripheral ghmembrane ghproteins
b. Integral ghmembrane ghproteins
, c. Glycoproteins
d. Cell ghadhesion ghmolecules
ANS: ghB
Integral ghmembrane ghproteins ghfloat ghfreely ghin ghthe ghfluid ghlipid ghbilayer.
Peripheral ghmembrane ghproteins ghare ghnot ghembedded ghin ghthe ghlayer, ghbut ghreside ghat ghthe ghsurface.
gh Glycoproteins ghact ghas ghcell ghsurface ghmarkers.
Cell ghadhesion ghmolecules ghare ghon ghthe ghoutside ghof ghthe ghmembrane ghand ghallow ghcells ghto ghhook
ghtogether.
5. Which ghof ghthe ghfollowing ghcan ghbind ghto ghplasma ghmembrane ghreceptors?
a. Oxygen
b. Ribosomes
c. Amphipathic ghlipids
d. Ligands
ANS: ghD
Ligands ghare ghspecific ghmolecules ghthat ghcan ghbind ghwith ghreceptors ghon ghthe ghcell
membrane. ghOxygen ghmoves ghby ghdiffusion; ghit ghdoes ghnot ghbind ghto ghreceptors.
gh
Ribosomes ghmake ghproteins ghand ghare ghnot ghinvolved ghin
binding. ghAmphipathic ghlipids ghare gha ghportion ghof ghthe ghcell
gh
gh membrane.
6. A ghnurse ghis ghreviewing gha ghreport ghfrom gha ghpatient ghwith ghmetastatic ghcancer. ghWhat
ghfinding ghwould ghsupport ghthe ghdiagnosis ghof ghmetastatic ghcancer? ghAlterations ghin
extracellular ghmatrix ghthat ghinclude:
gh
a. Decreased ghfibronectin
b. Increased ghcollagen
, c. Decreased ghelastin
gh gh gh gh gh
Chapter gh1. ghCellular ghBiology
MULTIPLE ghCHOICE
1. A ghstudent ghis ghobserving gha ghcell ghunder ghthe ghmicroscope. ghIt ghis ghobserved ghto ghhave
ghsupercoiled ghDNA ghwith ghhistones. ghWhich ghof ghthe ghfollowing ghwould ghalso ghbe ghobserved ghby
gh the ghstudent?
a. A ghsingle ghcircular ghchromosome
b. A ghnucleus
c. Free-floating ghnuclear ghmaterial
d. No ghorganelles
ANS: ghB
The ghcell ghdescribed ghis gha gheukaryotic ghcell, ghso ghit ghhas ghhistones ghand gha ghsupercoiled ghDNA ghwithin
ghits ghnucleus; ghthus, ghthe ghnucleus ghshould ghbe ghobserved.
A ghsingle ghcircular ghchromosome ghis ghcharacteristic ghof ghprokaryotic ghcells, ghwhich ghdo ghnot ghhave
ghhistones.
Free-floating ghnuclear ghmaterial ghdescribes gha ghprokaryotic ghcell, ghwhich ghwould ghnot ghhave gha
distinct ghnucleus.
gh
Eukaryotic ghcells ghhave ghmembrane ghbounded ghcellular ghcomponents ghcalled ghorganelles. ghNo
organelles ghdescribes gha ghprokaryotic ghcell.
gh
2. A ghnurse ghis ghinstructing ghthe ghstaff ghabout ghcellular ghfunctions. ghWhich ghcellular ghfunction ghis
ghthe ghnurse ghdescribing ghwhen ghan ghisolated ghcell ghabsorbs ghoxygen ghand ghuses ghit ghto ghtransform
gh nutrients ghto ghenergy?
a. Metabolic ghabsorption
b. Communication
c. Secretion
d. Respiration
,ANS: ghD
The ghability ghof ghthe ghcell ghto ghabsorb ghoxygen ghrefers ghto ghthe ghcells ghfunction ghof ghrespiration.
The ghability ghof ghthe ghcell ghto ghfunction ghwithin gha ghsociety ghof ghcells ghrefers ghto ghits ghfunction ghof
gh communication.
The ghability ghof ghthe ghcell ghto ghtake ghin ghnutrients ghrefers ghto ghthe ghcells ghfunction ghof ghmetabolic
ghabsorption.
The ghability ghof ghthe ghcell ghto ghsynthesize ghnew ghsubstances ghand ghsecrete ghthese ghelsewhere ghrefers ghto
ghthe ghcells ghfunction ghof ghsecretion.
3. A gheukaryotic ghcell ghis ghundergoing ghDNA ghreplication. ghIn ghwhich ghregion ghof ghthe ghcell ghwould
ghmost ghof ghthe ghgenetic ghinformation ghbe ghcontained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS: ghC
The ghregion ghof ghthe ghcell ghthat ghcontains ghgenetic ghmaterial, ghincluding gha ghlarge ghamount ghof
ghribonucleic ghacid, ghmost ghof ghthe ghDNA, ghand ghDNA-binding ghproteins, ghis ghthe ghnucleolus.
The ghmitochondria ghis ghthe ghsite ghof ghcellular ghrespiration.
The ghribosomes ghare ghinvolved ghin ghmanufacturing ghof ghproteins ghwithin ghthe ghcell.
The ghnucleus ghcontains ghthe ghnucleolus, ghand ghit ghis ghthe ghnucleolus ghthat ghcontains ghgenetic ghmaterial.
4. The ghfluid ghmosaic ghmodel ghfor ghbiologic ghmembranes ghdescribes ghmembrane ghbehavior.
According ghto ghthis ghmodel, ghwhich ghof ghthe ghfollowing ghfloat ghsingly ghor ghas ghaggregates ghin ghthe
gh
gh fluid ghlipid ghbilayer?
a. Peripheral ghmembrane ghproteins
b. Integral ghmembrane ghproteins
, c. Glycoproteins
d. Cell ghadhesion ghmolecules
ANS: ghB
Integral ghmembrane ghproteins ghfloat ghfreely ghin ghthe ghfluid ghlipid ghbilayer.
Peripheral ghmembrane ghproteins ghare ghnot ghembedded ghin ghthe ghlayer, ghbut ghreside ghat ghthe ghsurface.
gh Glycoproteins ghact ghas ghcell ghsurface ghmarkers.
Cell ghadhesion ghmolecules ghare ghon ghthe ghoutside ghof ghthe ghmembrane ghand ghallow ghcells ghto ghhook
ghtogether.
5. Which ghof ghthe ghfollowing ghcan ghbind ghto ghplasma ghmembrane ghreceptors?
a. Oxygen
b. Ribosomes
c. Amphipathic ghlipids
d. Ligands
ANS: ghD
Ligands ghare ghspecific ghmolecules ghthat ghcan ghbind ghwith ghreceptors ghon ghthe ghcell
membrane. ghOxygen ghmoves ghby ghdiffusion; ghit ghdoes ghnot ghbind ghto ghreceptors.
gh
Ribosomes ghmake ghproteins ghand ghare ghnot ghinvolved ghin
binding. ghAmphipathic ghlipids ghare gha ghportion ghof ghthe ghcell
gh
gh membrane.
6. A ghnurse ghis ghreviewing gha ghreport ghfrom gha ghpatient ghwith ghmetastatic ghcancer. ghWhat
ghfinding ghwould ghsupport ghthe ghdiagnosis ghof ghmetastatic ghcancer? ghAlterations ghin
extracellular ghmatrix ghthat ghinclude:
gh
a. Decreased ghfibronectin
b. Increased ghcollagen
, c. Decreased ghelastin
