Understanding Pathophysiology 7th edition by Huether, McCance Test Bank
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TEST BANK FOR HUETHER AND MCCANCES
UNDERSTANDING PATHOPHYSIOLOGY, CANADIAN
EDITION 2ND EDITION BY KELLY POWER-KEAN,
STEPHANIE ZETTEL, MOHAMED TOUFIC EL-HUSSEIN,
SUE E. HUETHER, KATHRYN L. MCCANCE |CHAPTER 1-
42 |
Understanding0 Pathophysiology0 7th0 edition0 by0 Huether,0 McCance0 Test0 Bank
Chapter01.0Cellular0Biology
MULTIPLE0CHOICE
1. A0student0is0observing0a0cell0under0the0microscope.0It0is0observed0to0have0supercoiled0DNA0
with0histones.0Which0of0the0following0would0also0be0observed0by0the0student?
a. A0single0circular0chromosome
b. A0nucleus
c. Free-floating0nuclear0material
d. No0organelles
ANS:0B
The0cell0described0is0a0eukaryotic0cell,0so0it0has0histones0and0a0supercoiled0DNA0within0its0
nucleus;0thus,0the0nucleus0should0be0observed.
A0single0circular0chromosome0is0characteristic0of0prokaryotic0cells,0which0do0not0have0histones.
Free-
floating0nuclear0material0describes0a0prokaryotic0cell,0which0would0not0have0a0distinct0nucleus.
Eukaryotic0cells0have0membrane0bounded0cellular0components0called0organelles.0No0organelles0
,Understanding Pathophysiology 7th edition by Huether, McCance Test Bank
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Latest Updated Examination Study Guide 2022
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describes0a0prokaryotic0cell.
2. A0nurse0is0instructing0the0staff0about0cellular0functions.0Which0cellular0function0is0the0nurse0
describing0when0an0isolated0cell0absorbs0oxygen0and0uses0it0to0transform0nutrients0to0energy?
a. Metabolic0absorption
b. Communication
c. Secretion
d. Respiration
,Understanding Pathophysiology 7th edition by Huether, McCance Test Bank
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ANS:0D
The0ability0of0the0cell0to0absorb0oxygen0refers0to0the0cells0function0of0respiration.
The0ability0of0the0cell0to0function0within0a0society0of0cells0refers0to0its0function0of0
communication.
The0ability0of0the0cell0to0take0in0nutrients0refers0to0the0cells0function0of0metabolic0absorption.
The0ability0of0the0cell0to0synthesize0new0substances0and0secrete0these0elsewhere0refers0to0the0cells0
function0of0secretion.
3. A0eukaryotic0cell0is0undergoing0DNA0replication.0In0which0region0of0the0cell0would0most0of0
the0genetic0information0be0contained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS:0C
The0region0of0the0cell0that0contains0genetic0material,0including0a0large0amount0of0ribonucleic0
acid,0most0of0the0DNA,0and0DNA-binding0proteins,0is0the0nucleolus.
The0mitochondria0is0the0site0of0cellular0respiration.
The0ribosomes0are0involved0in0manufacturing0of0proteins0within0the0cell.
The0nucleus0contains0the0nucleolus,0and0it0is0the0nucleolus0that0contains0genetic0material.
4. The0fluid0mosaic0model0for0biologic0membranes0describes0membrane0behavior.0According0to0
this0model,0which0of0the0following0float0singly0or0as0aggregates0in0the0fluid0lipid0bilayer?
a. Peripheral0membrane0proteins
b. Integral0membrane0proteins
, Understanding Pathophysiology 7th edition by Huether, McCance Test Bank
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c. Glycoproteins
d. Cell0adhesion0molecules
ANS:0B
Integral0membrane0proteins0float0freely0in0the0fluid0lipid0bilayer.
Peripheral0membrane0proteins0are0not0embedded0in0the0layer,0but0reside0at0the0surface.0
Glycoproteins0act0as0cell0surface0markers.
Cell0adhesion0molecules0are0on0the0outside0of0the0membrane0and0allow0cells0to0hook0together.
5. Which0of0the0following0can0bind0to0plasma0membrane0receptors?
a. Oxygen
b. Ribosomes
c. Amphipathic0lipids
d. Ligands
ANS:0D
Ligands0are0specific0molecules0that0can0bind0with0receptors0on0the0cell0membrane.0
Oxygen0moves0by0diffusion;0it0does0not0bind0to0receptors.
Ribosomes0make0proteins0and0are0not0involved0in0binding.0
Amphipathic0lipids0are0a0portion0of0the0cell0membrane.
6. A0nurse0is0reviewing0a0report0from0a0patient0with0metastatic0cancer.0What0finding0would0
support0the0diagnosis0of0metastatic0cancer?0Alterations0in0extracellular0matrix0that0include:
a. Decreased0fibronectin
b. Increased0collagen
c. Decreased0elastin
