Introduction to Behavioral Neuroscience
OpenStax
Chapter 16: Neurobiology of Homeostasis
Multiple Choice
1. All of the following behaviors help maintain homeostasis, except:
A. Shivering on a cold day
B. Drinking water when thirsty
C. Eating when hungry
D. Sprinting in a race*
Bloom’s Level 2. Understanding
2. If we use a laptop computer cooling system as an example of a homeostatic loop, which of
the following would represent the effector?
A. Internal thermometer
B. Central processing unit
C. Internal fan*
D. Hot air
Bloom’s Level 2. Understanding
3. The medullary respiratory control center (MRCC) regulates respiratory rate by releasing
neurotransmitter onto specialized effector neurons in which region?
A. spinal cord*
B. brainstem
C. cerebellum
D. diaphragm
Bloom’s Level 1. Remembering
4. When blood oxygenation levels increase, what happens to action potential firing in
medullary respiratory control center (MRCC) neurons?
A. The frequency of bursts of action potentials increases*
B. The amplitude of bursts of action potentials increases
C. Bursting activity becomes irregular
D. Bursting activity remains constant
Blooms’ Level 2. Understanding
1
, Introduction to Behavioral Neuroscience
OpenStax
5. Endothermic animals, including mammals, birds, and some fish, derive heat primarily by
which means?
A. shivering
B. metabolism*
C. running
D. sunlight
Blooms’ Level 1. Remembering
6. What is the role of acetylcholine on heart rate?
A. Acetylcholine released onto the heart increases heart rate
B. Acetylcholine released onto the heart decreases heart rate*
C. Acetylcholine released onto the heart has no effect on heart rate
D. Acetylcholine released onto the heart decreases the intensity of heart contractions
Bloom’s Level 1. Remembering
7. In response to hypertonic conditions, the SFO and OVLT activate effector systems to
increase the amount of within the blood.
A. salt
B. glucose
C. water*
D. acid
Bloom’s Level 2. Understanding
8. Why do foods containing chili peppers cause the sensation of heat?
A. TRPM8 ion channels open
B. They increase sympathetic tone
C. They activate TRPV1 ion channels*
D. They activate POA neurons
Blooms’ Level 1. Remembering
9. If a cell is surrounded by a hypertonic solution, what will happen to the cell?
A. It will swell
B. It will remain unchanged
C. It will shrink**
D. It will release ADH
2
OpenStax
Chapter 16: Neurobiology of Homeostasis
Multiple Choice
1. All of the following behaviors help maintain homeostasis, except:
A. Shivering on a cold day
B. Drinking water when thirsty
C. Eating when hungry
D. Sprinting in a race*
Bloom’s Level 2. Understanding
2. If we use a laptop computer cooling system as an example of a homeostatic loop, which of
the following would represent the effector?
A. Internal thermometer
B. Central processing unit
C. Internal fan*
D. Hot air
Bloom’s Level 2. Understanding
3. The medullary respiratory control center (MRCC) regulates respiratory rate by releasing
neurotransmitter onto specialized effector neurons in which region?
A. spinal cord*
B. brainstem
C. cerebellum
D. diaphragm
Bloom’s Level 1. Remembering
4. When blood oxygenation levels increase, what happens to action potential firing in
medullary respiratory control center (MRCC) neurons?
A. The frequency of bursts of action potentials increases*
B. The amplitude of bursts of action potentials increases
C. Bursting activity becomes irregular
D. Bursting activity remains constant
Blooms’ Level 2. Understanding
1
, Introduction to Behavioral Neuroscience
OpenStax
5. Endothermic animals, including mammals, birds, and some fish, derive heat primarily by
which means?
A. shivering
B. metabolism*
C. running
D. sunlight
Blooms’ Level 1. Remembering
6. What is the role of acetylcholine on heart rate?
A. Acetylcholine released onto the heart increases heart rate
B. Acetylcholine released onto the heart decreases heart rate*
C. Acetylcholine released onto the heart has no effect on heart rate
D. Acetylcholine released onto the heart decreases the intensity of heart contractions
Bloom’s Level 1. Remembering
7. In response to hypertonic conditions, the SFO and OVLT activate effector systems to
increase the amount of within the blood.
A. salt
B. glucose
C. water*
D. acid
Bloom’s Level 2. Understanding
8. Why do foods containing chili peppers cause the sensation of heat?
A. TRPM8 ion channels open
B. They increase sympathetic tone
C. They activate TRPV1 ion channels*
D. They activate POA neurons
Blooms’ Level 1. Remembering
9. If a cell is surrounded by a hypertonic solution, what will happen to the cell?
A. It will swell
B. It will remain unchanged
C. It will shrink**
D. It will release ADH
2
