Test Bank For Guyton and Hall Textbook of Medical Physiology 14th Edition by Guyton Hall, Michael Hall. Isbn. 9780323640039.
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Course
Physiology
Institution
Physiology
Test Bank Guyton and Hall Textbook of Medical Physiology 14th Edition by Guyton Hall, Michael Hall. Isbn. 9780323640039.
Textbook of Medical Physiology 14e Test Bank. Guyton and Hall 14e test bank.
Contents:-=Unit I. Introduction to Physiology: The Cell and General Physiology
Chapter 1. Function...
TEST BANK Guyton and Hall Textbook of Medical Physiology 14th Edition
Chapter 01: Functional Organization of the Human Body and Control of the
“Internal Environment”
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 1. Which of the following statements about homeostasis is incorrect?
a. It refers to the maintenance of a stable internal environment for the body.
b. Homeostatic mechanisms do not operate in diseases.
c. Homeostasis requires integrated actions of the cells, tissues, organs, and multiple
nervous, hormonal, and local control systems.
d. Homeostatic compensations that begin after a major environmental challenge may
contribute to abnormalities of body function.
____ 2. What is the most abundant type of cell in the human body?
a. Neuron
b. Epithelial cell
c. Red blood cell
d. White blood cell
e. Vascular smooth muscle cell
f. Skeletal muscle cell
____ 3. The most abundant substance in the human body and the approximate percentage of that substance
in the body is which of the following?
a. Protein, 30%
b. Protein, 60%
c. Water, 30%
d. Water, 60%
e. Carbohydrate, 30%
f. Carbohydrate, 60%
____ 4. If the feedback gain of a control system is 2.0, this means that the system is
a. a negative feedback system capable of correcting 1/2 of the initial disturbance to
the system.
b. a negative feedback system capable of correcting 2/3 of the initial disturbance to
the system.
c. a negative feedback system capable of correcting 3/4 of the initial disturbance to
the system.
d. a positive feedback system capable of correcting 1/2 of the initial disturbance to
the system.
e. a positive feedback system capable of correcting 2/3 of the initial disturbance to
the system.
f. a positive feedback system capable of correcting 3/4 of the initial disturbance to
the system.
____ 5. Which of the following substances has the highest extracellular fluid to intracellular fluid
concentration ratio for most mammalian cells?
, a. Sodium ions
b. Potassium ions
c. Carbon dioxide
d. Glucose
e. Protein
____ 6. Exchange of substances between the cardiovascular system and the interstitial fluid occurs mainly in
which of the following?
a. Arteries
b. Arterioles
c. Capillaries
d. Venules
e. Veins
____ 7. What is the approximate distance from the capillaries to most cells of the body?
a. Less than 50 angstroms
b. Less than 50 microns
c. Less than 50 millimeters
d. Less than 100 angstroms
e. Less than 100 microns
f. Less than 100 millimeters
____ 8. When a person is at rest, how much time is required for the blood in the circulation to traverse the
entire circulatory circuit?
a. 1 second
b. 1 minute
c. 3 minutes
d. 4 minutes
e. 5 minutes
____ 9. The type of control system that can sometimes cause instability and vicious cycles is called
a. negative feedback.
b. feed-forward control.
c. positive feedback.
d. adaptive feedback.
e. delayed negative feedback.
____ 10. Which of the following is an example of positive feedback in the body?
a. Return of blood pressure toward normal after a hemorrhage
b. Generation of action potentials in nerves
c. Increased respiration rate caused by accumulation of carbon dioxide in the blood
d. Decreased sympathetic nervous system activity that occurs in response to increased
blood pressure
____ 11. Which of the following is an example of a “feed-forward” control system?
a. The arterial baroreceptor system
b. The progressive nature of uterine contractions during childbirth
c. Control of skeletal muscle movements by the brain
, d. Generation of an action potential
____ 12. Which of the following is an example of negative feedback?
Example 1: Arterial baroreceptor control of blood pressure
Example 2: Excitation of the respiratory center by increased blood carbon dioxide concentration
Example 3: Hemorrhagic shock caused by severe blood loss
a. Example 1 only
b. Example 2 only
c. Example 3 only
d. Examples 1 and 2, but not 3
e. Examples 1, 2, and 3
, Answer Section
MULTIPLE CHOICE
1. ANS: B
2. ANS: C
3. ANS: D
4. ANS: B
5. ANS: A
6. ANS: C
7. ANS: A
8. ANS: B
9. ANS: C
10. ANS: B
11. ANS: C
12. ANS: D
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