Test Bank for McCance & Huether’s Pathophysiology, 9th Edition by Julia Rogers
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Course
Pathophysiology
Institution
Pathophysiology
Test Bank for McCance & Huether’s Pathophysiology, 9th Edition 9e by Julia Rogers. ISBN-13: 9875
Full Chapters test bank included - Chap 1 to 49 (Complete Chapters)
PART ONE: Central Concepts of Pathophysiology: Cells and Tissues
UNIT I The Cell
1 Cellular Biology
2 Altered Cellular and ...
1.Which statement best describes the cellular function of metabolic
absorption?
a. Cells can produce proteins.
b. Cells can secrete digestive enzymes.
c. Cells can take in and use nutrients.
d. Cells can synthesize fats.
ANS: c
In metabolic absorption, all cells take in and use nutrients and other
substances from their surroundings. The remaining options are not
inclusive in their descriptions of cellular metabolic absorption.
PTS: 1
DIF: Cognitive Level: Remembering
Where is most of a cell's genetic information, including RNA and
2.
DNA, contained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Lysosome
ANS: c
The nucleus contains the nucleolus, a small dense structure composed
largely of RNA, most of the cellular DNA, and the DNA-binding
proteins, such as the histones, which regulate its activity. The
mitochondria are responsible for cellular respiration and energy
production. Ribosomes' chief function is to provide sites for cellular
protein synthesis. Lysosomes function as the intracellular digestive
system.
PTS: 1
DIF: Cognitive Level: Remembering
, 3.Which component of the cell produces hydrogen peroxide (H2O2) by
using oxygen to remove hydrogen atoms from specific substrates in an
oxidative reaction?
a. Lysosomes
b. Peroxisomes
c. Ribosomes
d. Endosome
ANS: b
Peroxisomes are so named because they usually contain enzymes that
use oxygen to remove hydrogen atoms from specific substrates in an
oxidative reaction that produces H2O2, which is a powerful oxidant and
potentially destructive if it accumulates or escapes from peroxisomes.
Ribosomes are RNA-protein complexes (nucleoproteins) that are
synthesized in the nucleolus and secreted into the cytoplasm through
pores in the nuclear envelope called nuclear pore complexes. Lysosomes
are saclike structures that originate from the Golgi complex and contain
more than 40 digestive enzymes called hydrolases, which catalyze bonds
in proteins, lipids, nucleic acids, and carbohydrates. An endosome is a
vesical that has been pinched off from the cellular membrane.
PTS: 1
DIF: Cognitive Level: Remembering
4. Which cell component is capable of cellular autodigestion when it is
released during cell injury?
a. Ribosome
b. Golgi complex
c. Smooth endoplasmic reticulum
d. Lysosomes
ANS: d
The lysosomal membrane acts as a protective shield between the
powerful digestive enzymes within the lysosome and the cytoplasm,
preventing their leakage into the cytoplasmic matrix. Disruption of the
membrane by various treatments or cellular injury leads to a release of
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