TEST BANK FOR UNDERSTANDING PATHOPHYSIOLOGY 7th Edition Huether Mc CaneTEST BANK FOR UNDERSTANDING PATHOPHYSIOLOGY 7th Edition Huether Mc CaneTEST BANK FOR UNDERSTANDING PATHOPHYSIOLOGY 7th Edition Huether Mc CaneTEST BANK FOR UNDERSTANDING PATHOPHYSIOLOGY 7th Edition Huether Mc CaneTEST BANK FOR U...
Understanding Pathophysiology 7th Edition Test Bank
Understanding Pathophysiology 7th Edition Test Bank
,Understanding Pathophysiology 7th Edition Test Bank
Understanding Pathophysiology 7th Edition Test Bank
Chapter 1. Cellular Biology
MULTIPLE CHOICE
1. In cellular metabolism, each enzyme has a high affinity for a:
a. Solute
b. Substrate
c. Receptor
d. Ribosome
ANS: B
Each enzyme has a high affinity for a substrate, a specific substance converted to a product of the
reaction.
Solutes are small particles that pass through the cell membrane.
A receptor is a site on the cell wall that allows transport into the cell.
Ribosomes are located inside the cell and are not related to the work of enzymes.
Understanding Pathophysiology 7th Edition Test Bank
,Understanding Pathophysiology 7th Edition Test Bank
2. An athlete runs a marathon, after which his muscles feel fatigued and unable to contract. The
athlete asks the nurse why this happened. How should the nurse respond? A deficiency in
can cause impaired muscle contraction.
a. GTP
b. AMP
c. ATP
d. GMP
ANS: C
The cell uses ATP for muscle contraction. when it is deficient, impaired muscle contraction
results.
GTP is involved in cell signaling, not muscle contraction.
AMP is not involved in muscle contraction.
GMP is not involved in muscle contraction.
3. Which phase of catabolism produces the most ATP?
a. Digestion
b. Glycolysis
c. Oxidation
d. Citric acid cycle
ANS: D
Most of the ATP is generated during the citric acid cycle.
Larger molecules are broken down into smaller units during digestion; no ATP is produced
during this cycle.
Understanding Pathophysiology 7th Edition Test Bank
, Understanding Pathophysiology 7th Edition Test Bank
During glycolysis, two molecules of ATP are produced from each glucose molecule, but the
most ATP is produced during the citric acid cycle.
Oxidation is part of the glycolysis process and ATP is produced, but more ATP is produced
during the citric acid cycle.
4. A nurse is teaching the staff about the three phases of cellular catabolism. Which of the
following should the nurse include?
a. Digestion, glycolysis and oxidation, and the citric acid cycle
b. Diffusion, osmosis, and mediated transport
c. S phase, G phase, and M phase
d. Metabolic absorption, respiration, and excretion
ANS: A
Digestion, glycolysis and oxidation, and the citric acid cycle are the three phases of cellular
catabolism.
Diffusion, osmosis, and mediated transport are parts of the movement of fluids in and out of
cells.
The S, G, and M phases are phases of cellular division, not catabolism.
Metabolic absorption, respiration, and excretion are functions of the cell.
5. A runner has depleted all the oxygen available for muscle energy. Which of the following
will facilitate his continued muscle performance?
a. Electron-transport chain
b. Aerobic glycolysis
c. Anaerobic glycolysis
d. Oxidative phosphorylation
ANS: C
Understanding Pathophysiology 7th Edition Test Bank
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