Test Bank for Understanding Pathophysiology (6th Ed)-Test Bank (complete questions & answers)

, UNDERSTANDING PATHOPHYSIOLOGY (r




6th EDITION H
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CHAPTER 1-42 TEST BANK (r (r (r




Chapter s s 01: s s Cellular s s Biology
Huether & s s s s McCance: s s Understanding s s Pathophysiology, s s 6th Edition
s s




MULTIPLE s s CHOICE


1. A s s student s s is s s observing s s a s s cell s s under s s the s s microscope. s s It
s s is s s observed s s to havesupercoiled DNAwith histones. Which of the
ss ss ss ss ss ss




ss following would also be observed bythe student?
ss ss ss ss s s s s



a. A s s single circular ss s s chromosome
b. A s s nucleus
c. Free-floating nuclear material ss ss



d. No organelles ss




ANS: s s B
The s s cell s s described s s is s s a s s eukaryotic s s cell, s s so s s it s s has
s s histones s s and s s a supercoiled DNA within itsnucleus; thus, the nucleus
ss r ss ss ss ss ss




ss should be observed. ss ss s s A single circular chromosome called a prokaryote
ss ss ss ss ss ss




ss contains free-floating nuclear material but hasno organelles.
ss ss ss s s s s s s




REF: p. ss s s 2


2. A nurse is instructing the staff about cellular functions. Which cellular
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ss function is the nurse describing when an isolated cell absorbs
s s s s s s s s s s ss s s s s s s




s s oxygen and uses it to transformnutrients to energy?
ss r ss ss s s ss ss

,a. Metabolic absorption s s



b. Communication
c. Secretion
d. Respiration

ANS: s s D
The s s cell’s s s ability s s to s s absorb s s oxygen s s is s s referred s s to s s as
s s respiration s s while itscommunication abilityinvolves maintenance of a
ss ss ss ss ss




ss steady dynamic state,metabolic(ra
ss ss r ssr s s bsorption provides nutrition, and
ss ss ss




secretion allows for the synthesizing of new substances.
ss ss ss ss ss s s s s s s




REF: p. ss s s 2

, 3. A eukaryotic cell is undergoing DNA
s s s s s s s s s s s s replication. In which region
s s s s s s




s s of the cell w o u l d rm
s s ss ss r ssr ssr ost ofthe genetic information be contained?
s s ss s s ss ss



a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus Cytoplasm ss




ANS: s s C
The s s region s s of s s the s s cell s s that s s contains s s genetic s s material,
s s including s s a s s large amount of ribonucleicacid, most of the DNA,
ss ss ss ss ss ss ss s s and
DNA-binding
ss s s proteins, s s is the nucleolus, which is located withinthe
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s s cell’s nucleus. Mitochondria is
s s s s s s s s associatedwith cellular respiration,ss ss




ss while ribosomes are involved with protein manufacturing. Cytoplasm isa
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ss fluid filling that is a component of the cell.
s s ss ss s s ss s s ss s s




REF: p. ss s s 2