Understanding Pathophysiology 7th edition by Huether, McCance Test Bank Latest Updated Examination Study Guide 2022

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