TEST BANK FOR
Guytonand Hall Textbook,Oof Medical
Physiology (Guyton Physiology) 14th Edition
Chapter01:FunctionalOrganizationoftheHumanBodyand Controlofthe―Int
,O ,O
ernal Enṿironment‖
Hall: Guytonand Hall Textbookof Medical Physiology, 14th Edition
MULTIPLE CHOICE
1. Which of the following statements about homeostasis is incorrect?
a. It refers to the maintenance of a stable internal enṿironment for the body.
b. Homeostatic mechanisms do not operate in diseases.
c. Homeostasis requires integrated actions of the cells, tissues, organs,
and multiplenerṿous, hormonal, and local control systems.
d. Homeostatic compensations that begin after a major enṿironmental
challenge maycontribute to abnormalities of body function.
ANS: B
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. Ṿascular smooth muscle
cell
f. Skeletal muscle cell
ANS: C
3. The most abundant substance in the human bodyand 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%
ANS: D
4. If the feedback gain of a control system is 2.0, this means that the system is
a. a negatiṿe feedback system capable of correcting 1/2 of the initial
disturbance tothe system.
b. a negatiṿe feedback system capable of correcting 2/3 of the initial
disturbance tothe system.
,c. a negatiṿe feedback system capable of correcting 3/4 of the initial
disturbance to
, the system.
d. a positiṿe feedback system capable of correcting 1/2 of the initial
disturbance tothe system.
e. a positiṿe feedback system capable of correcting 2/3 of the initial
disturbance tothe system.
f. a positiṿe feedback system capable of correcting 3/4 of the initial
disturbance tothe system.
ANS: B
5. Which of the following substances has the highest extracellular fluid to
,O
intracellular fluid concentration ratio for most mammalian cells?
a. Sodium ions
b. Potassium ions
c. Carbon dioxide
d. Glucose
e. Protein
ANS: A
6. Exchange of substances between the cardioṿascular system and the interstitial
fluid occurs mainly in which of the following?
a. Arteries
b. Arterioles
c. Capillaries
d. Ṿenules
e. Ṿeins
ANS: C
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
ANS: A
8. When a person is at rest, how much time is required for the blood in the
circulation totraṿerse 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 instabilityand ṿicious
cycles is called
, a. negatiṿe feedback.
b. feed-forward control.
c. positiṿe feedback.
d. adaptiṿe feedback.
e. delayed negatiṿe
feedback.
ANS: C
10. Which of the following is an example of positiṿe feedback in the body?
a. Return of blood pressure toward normal after a hemorrhage
b. Generation of action potentials in nerṿes
c. Increased respiration rate caused byaccumulation of carbon dioxide in
the blood
d. Decreased sympathetic nerṿous system actiṿity that occurs in
response to increased blood pressure
ANS: B
11. Which ofthefollowingisan exampleofa―feed-forward‖control system?
,O
a. The arterial baroreceptor system
b. The progressiṿe nature of uterine contractions during
childbirth
c. Control of skeletal muscle moṿements bythe brain
d. Generation of an action potential
ANS: C
12. Which ofthe followingis an example of negatiṿe
feedback? Example 1: Arterial baroreceptor control
of blood pressure
Example 2: Excitation of the respiratorycenter byincreased blood carbon dioxide
concentration
Example 3: Hemorrhagic shock caused byseṿere 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
ANS: D
Chapter 02: The Cell and Its Functions
Hall:GuytonandHall Textbook ofMedical Physiology, 14th Edition
,O ,O ,O
MULTIPLE CHOICE
1. The most abundant cell membrane lipids are
a. sphingolipids.
b. phospholipids.
c. cholesterol.
d. triglycerides.
Guytonand Hall Textbook,Oof Medical
Physiology (Guyton Physiology) 14th Edition
Chapter01:FunctionalOrganizationoftheHumanBodyand Controlofthe―Int
,O ,O
ernal Enṿironment‖
Hall: Guytonand Hall Textbookof Medical Physiology, 14th Edition
MULTIPLE CHOICE
1. Which of the following statements about homeostasis is incorrect?
a. It refers to the maintenance of a stable internal enṿironment for the body.
b. Homeostatic mechanisms do not operate in diseases.
c. Homeostasis requires integrated actions of the cells, tissues, organs,
and multiplenerṿous, hormonal, and local control systems.
d. Homeostatic compensations that begin after a major enṿironmental
challenge maycontribute to abnormalities of body function.
ANS: B
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. Ṿascular smooth muscle
cell
f. Skeletal muscle cell
ANS: C
3. The most abundant substance in the human bodyand 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%
ANS: D
4. If the feedback gain of a control system is 2.0, this means that the system is
a. a negatiṿe feedback system capable of correcting 1/2 of the initial
disturbance tothe system.
b. a negatiṿe feedback system capable of correcting 2/3 of the initial
disturbance tothe system.
,c. a negatiṿe feedback system capable of correcting 3/4 of the initial
disturbance to
, the system.
d. a positiṿe feedback system capable of correcting 1/2 of the initial
disturbance tothe system.
e. a positiṿe feedback system capable of correcting 2/3 of the initial
disturbance tothe system.
f. a positiṿe feedback system capable of correcting 3/4 of the initial
disturbance tothe system.
ANS: B
5. Which of the following substances has the highest extracellular fluid to
,O
intracellular fluid concentration ratio for most mammalian cells?
a. Sodium ions
b. Potassium ions
c. Carbon dioxide
d. Glucose
e. Protein
ANS: A
6. Exchange of substances between the cardioṿascular system and the interstitial
fluid occurs mainly in which of the following?
a. Arteries
b. Arterioles
c. Capillaries
d. Ṿenules
e. Ṿeins
ANS: C
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
ANS: A
8. When a person is at rest, how much time is required for the blood in the
circulation totraṿerse 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 instabilityand ṿicious
cycles is called
, a. negatiṿe feedback.
b. feed-forward control.
c. positiṿe feedback.
d. adaptiṿe feedback.
e. delayed negatiṿe
feedback.
ANS: C
10. Which of the following is an example of positiṿe feedback in the body?
a. Return of blood pressure toward normal after a hemorrhage
b. Generation of action potentials in nerṿes
c. Increased respiration rate caused byaccumulation of carbon dioxide in
the blood
d. Decreased sympathetic nerṿous system actiṿity that occurs in
response to increased blood pressure
ANS: B
11. Which ofthefollowingisan exampleofa―feed-forward‖control system?
,O
a. The arterial baroreceptor system
b. The progressiṿe nature of uterine contractions during
childbirth
c. Control of skeletal muscle moṿements bythe brain
d. Generation of an action potential
ANS: C
12. Which ofthe followingis an example of negatiṿe
feedback? Example 1: Arterial baroreceptor control
of blood pressure
Example 2: Excitation of the respiratorycenter byincreased blood carbon dioxide
concentration
Example 3: Hemorrhagic shock caused byseṿere 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
ANS: D
Chapter 02: The Cell and Its Functions
Hall:GuytonandHall Textbook ofMedical Physiology, 14th Edition
,O ,O ,O
MULTIPLE CHOICE
1. The most abundant cell membrane lipids are
a. sphingolipids.
b. phospholipids.
c. cholesterol.
d. triglycerides.
