Understanding Pathophysiology 7th edition by Huether, McCance Test Bank
Latest Updated Examination Study Guide 2022
Understanding1 0 Pathophysiology1 0 7th1 0 edition1 0 by1 0 Huether,1 0 McCance1 0 Test1 0
Bank
Chapter101.10Cellular10Biology
MULTIPLE10CHOICE
1. A10student10is10observing10a10cell10under10the10microscope.10It10is10observed10to10have10sup
ercoiled10DNA10with10histones.10Which10of10the10following10would10also10be10observed10by1
0the10student?
a. A10single10circular10chromosome
b. A10nucleus
c. Free-floating10nuclear10material
d. No10organelles
ANS:10B
The10cell10described10is10a10eukaryotic10cell,10so10it10has10histones10and10a10supercoiled10DNA10
within10its10nucleus;10thus,10the10nucleus10should10be10observed.
A10single10circular10chromosome10is10characteristic10of10prokaryotic10cells,10which10do10not10have10h
istones.
Free-
floating10nuclear10material10describes10a10prokaryotic10cell,10which10would10not10have10a10distin
ct10nucleus.
Eukaryotic10cells10have10membrane10bounded10cellular10components10called10organelles.10No10o
rganelles10describes10a10prokaryotic10cell.
2. A10nurse10is10instructing10the10staff10about10cellular10functions.10Which10cellular10function1
0is10the10nurse10describing10when10an10isolated10cell10absorbs10oxygen10and10uses10it10to10tran
sform10nutrients10to10energy?
,a. Metabolic10absorption
b. Communication
c. Secretion
d. Respiration
,ANS:10D
The10ability10of10the10cell10to10absorb10oxygen10refers10to10the10cells10function10of10respiration.
The10ability10of10the10cell10to10function10within10a10society10of10cells10refers10to10its10function10
of10communication.
The10ability10of10the10cell10to10take10in10nutrients10refers10to10the10cells10function10of10metabolic10abs
orption.
The10ability10of10the10cell10to10synthesize10new10substances10and10secrete10these10elsewhere10refers10t
o10the10cells10function10of10secretion.
3. A10eukaryotic10cell10is10undergoing10DNA10replication.10In10which10region10of10the10cell10w
ould10most10of10the10genetic10information10be10contained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS:10C
The10region10of10the10cell10that10contains10genetic10material,10including10a10large10amount10of10r
ibonucleic10acid,10most10of10the10DNA,10and10DNA-binding10proteins,10is10the10nucleolus.
The10mitochondria10is10the10site10of10cellular10respiration.
The10ribosomes10are10involved10in10manufacturing10of10proteins10within10the10cell.
The10nucleus10contains10the10nucleolus,10and10it10is10the10nucleolus10that10contains10genetic10material
.
4. The10fluid10mosaic10model10for10biologic10membranes10describes10membrane10behavior.10Ac
cording10to10this10model,10which10of10the10following10float10singly10or10as10aggregates10in10the1
0fluid10lipid10bilayer?
a. Peripheral10membrane10proteins
b. Integral10membrane10proteins
, c. Glycoproteins
d. Cell10adhesion10molecules
ANS:10B
Integral10membrane10proteins10float10freely10in10the10fluid10lipid10bilayer.
Peripheral10membrane10proteins10are10not10embedded10in10the10layer,10but10reside10at10the10surf
ace.10Glycoproteins10act10as10cell10surface10markers.
Cell10adhesion10molecules10are10on10the10outside10of10the10membrane10and10allow10cells10to10hook10t
ogether.
5. Which10of10the10following10can10bind10to10plasma10membrane10receptors?
a. Oxygen
b. Ribosomes
c. Amphipathic10lipids
d. Ligands
ANS:10D
Ligands10are10specific10molecules10that10can10bind10with10receptors10on10the10cell10mem
brane.10Oxygen10moves10by10diffusion;10it10does10not10bind10to10receptors.
Ribosomes10make10proteins10and10are10not10involved10in10
binding.10Amphipathic10lipids10are10a10portion10of10the10c
ell10membrane.
6. A10nurse10is10reviewing10a10report10from10a10patient10with10metastatic10cancer.10What10fi
nding10would10support10the10diagnosis10of10metastatic10cancer?10Alterations10in10extracellu
lar10matrix10that10include:
a. Decreased10fibronectin
b. Increased10collagen
Latest Updated Examination Study Guide 2022
Understanding1 0 Pathophysiology1 0 7th1 0 edition1 0 by1 0 Huether,1 0 McCance1 0 Test1 0
Bank
Chapter101.10Cellular10Biology
MULTIPLE10CHOICE
1. A10student10is10observing10a10cell10under10the10microscope.10It10is10observed10to10have10sup
ercoiled10DNA10with10histones.10Which10of10the10following10would10also10be10observed10by1
0the10student?
a. A10single10circular10chromosome
b. A10nucleus
c. Free-floating10nuclear10material
d. No10organelles
ANS:10B
The10cell10described10is10a10eukaryotic10cell,10so10it10has10histones10and10a10supercoiled10DNA10
within10its10nucleus;10thus,10the10nucleus10should10be10observed.
A10single10circular10chromosome10is10characteristic10of10prokaryotic10cells,10which10do10not10have10h
istones.
Free-
floating10nuclear10material10describes10a10prokaryotic10cell,10which10would10not10have10a10distin
ct10nucleus.
Eukaryotic10cells10have10membrane10bounded10cellular10components10called10organelles.10No10o
rganelles10describes10a10prokaryotic10cell.
2. A10nurse10is10instructing10the10staff10about10cellular10functions.10Which10cellular10function1
0is10the10nurse10describing10when10an10isolated10cell10absorbs10oxygen10and10uses10it10to10tran
sform10nutrients10to10energy?
,a. Metabolic10absorption
b. Communication
c. Secretion
d. Respiration
,ANS:10D
The10ability10of10the10cell10to10absorb10oxygen10refers10to10the10cells10function10of10respiration.
The10ability10of10the10cell10to10function10within10a10society10of10cells10refers10to10its10function10
of10communication.
The10ability10of10the10cell10to10take10in10nutrients10refers10to10the10cells10function10of10metabolic10abs
orption.
The10ability10of10the10cell10to10synthesize10new10substances10and10secrete10these10elsewhere10refers10t
o10the10cells10function10of10secretion.
3. A10eukaryotic10cell10is10undergoing10DNA10replication.10In10which10region10of10the10cell10w
ould10most10of10the10genetic10information10be10contained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS:10C
The10region10of10the10cell10that10contains10genetic10material,10including10a10large10amount10of10r
ibonucleic10acid,10most10of10the10DNA,10and10DNA-binding10proteins,10is10the10nucleolus.
The10mitochondria10is10the10site10of10cellular10respiration.
The10ribosomes10are10involved10in10manufacturing10of10proteins10within10the10cell.
The10nucleus10contains10the10nucleolus,10and10it10is10the10nucleolus10that10contains10genetic10material
.
4. The10fluid10mosaic10model10for10biologic10membranes10describes10membrane10behavior.10Ac
cording10to10this10model,10which10of10the10following10float10singly10or10as10aggregates10in10the1
0fluid10lipid10bilayer?
a. Peripheral10membrane10proteins
b. Integral10membrane10proteins
, c. Glycoproteins
d. Cell10adhesion10molecules
ANS:10B
Integral10membrane10proteins10float10freely10in10the10fluid10lipid10bilayer.
Peripheral10membrane10proteins10are10not10embedded10in10the10layer,10but10reside10at10the10surf
ace.10Glycoproteins10act10as10cell10surface10markers.
Cell10adhesion10molecules10are10on10the10outside10of10the10membrane10and10allow10cells10to10hook10t
ogether.
5. Which10of10the10following10can10bind10to10plasma10membrane10receptors?
a. Oxygen
b. Ribosomes
c. Amphipathic10lipids
d. Ligands
ANS:10D
Ligands10are10specific10molecules10that10can10bind10with10receptors10on10the10cell10mem
brane.10Oxygen10moves10by10diffusion;10it10does10not10bind10to10receptors.
Ribosomes10make10proteins10and10are10not10involved10in10
binding.10Amphipathic10lipids10are10a10portion10of10the10c
ell10membrane.
6. A10nurse10is10reviewing10a10report10from10a10patient10with10metastatic10cancer.10What10fi
nding10would10support10the10diagnosis10of10metastatic10cancer?10Alterations10in10extracellu
lar10matrix10that10include:
a. Decreased10fibronectin
b. Increased10collagen
