TEST BANK FOR Guyton and Hall Textbook of Medical Physiology (Guyton Physiology) 14th Edition by John E. Hall, Michael E. Hall ISBN: 9780323597128 || Complete Guide A+

TEST BANK
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TEST BANK

,John E. Hall : Guyton and Hall Textbook of Medical Physiology (Guyton Physiology) 14th
Edition


Chapter 01: Functional Organization of the Human Body and Control of the
―Internal Environment

MULTIPLE CHOICE

1. Which of the following statements about homeostasis is incorrect?
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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
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nervous, hormonal, and local control systems.
d. Homeostatic compensations that begin after a major environmental challenge may
contribute to abnormalities of body function.
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ANS: B

2. What is the most abundant type of cell in the human body?
a. Neuron
b. Epithelial cell
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c. Red blood cell
d. White blood cell
e. Vascular smooth muscle cell
f. Skeletal muscle cell

ANS: C
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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%
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d. Water, 60%
e. Carbohydrate, 30%
f. Carbohydrate, 60%

ANS: D

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.

ANS: B

5. Which of the following substances has the highest extracellular fluid to intracellular fluid
concentration ratio for most mammalian cells?
a. Sodium ions
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b. Potassium ions
c. Carbon dioxide
d. Glucose
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e. Protein

ANS: A
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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
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d. Venules
e. Veins

ANS: C

7. What is the approximate distance from the capillaries to most cells of the body?
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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
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ANS: A

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

ANS: B

, 9. The type of control system that can sometimes cause instability and vicious cycles is
called



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