SCIN 132 INTRO TO ANATOMY AND PHYSIOLOGY
MIDTERM – REAL QUESTIONS, GRADED A+
VERIFIED AND ANSWERS (2024/2025)
Part 1 of 8 - 9.0/ 18.0 Points
Question 1 of 32
How did increasing the stimulus voltage in the simulation affect the action
potential? 3.0/ 3.0 Points
A. no change to the action potential
B. a decrease in the rate of propagation of the action potential
C. an increase in the rate of propagation of the action potential
D. an increase in the size of the action potential
Answer is A
Feedback: Correct!
Question 2 of 32
The channels that provide for the movement of potassium in the resting neuron
are . 0.0/ 3.0 Points
,A. voltage gated
B. chemically gated
C. leakage and chemically gated
D. leakage
Answer is A
Feedback: Learning Objective: Describe the cellular transport mechanisms
responsible for establishing the resting membrane potential.
Question 3 of 32
The period of time when the neuron is totally insensitive to further stimulation
and cannot generate another action potential is
3.0/ 3.0 Points
A. repolarization
B. absolute refractory period
C. membrane potential
D. relative refractory period
Answer is B
, Feedback: Correct!
Question 4 of 32
What is the major cation found inside the the typical nerve cell at rest? 3.0/
3.0 Points
A. sodium
B. acetylcholine
C. chloride
D. potassium
Answer is D
Feedback: Correct!
Question 5 of 32
During the absolute refractory period, a neuron would need to be depolarized by
mV before another action potential could be generated.
3.0/ 3.0 Points
MIDTERM – REAL QUESTIONS, GRADED A+
VERIFIED AND ANSWERS (2024/2025)
Part 1 of 8 - 9.0/ 18.0 Points
Question 1 of 32
How did increasing the stimulus voltage in the simulation affect the action
potential? 3.0/ 3.0 Points
A. no change to the action potential
B. a decrease in the rate of propagation of the action potential
C. an increase in the rate of propagation of the action potential
D. an increase in the size of the action potential
Answer is A
Feedback: Correct!
Question 2 of 32
The channels that provide for the movement of potassium in the resting neuron
are . 0.0/ 3.0 Points
,A. voltage gated
B. chemically gated
C. leakage and chemically gated
D. leakage
Answer is A
Feedback: Learning Objective: Describe the cellular transport mechanisms
responsible for establishing the resting membrane potential.
Question 3 of 32
The period of time when the neuron is totally insensitive to further stimulation
and cannot generate another action potential is
3.0/ 3.0 Points
A. repolarization
B. absolute refractory period
C. membrane potential
D. relative refractory period
Answer is B
, Feedback: Correct!
Question 4 of 32
What is the major cation found inside the the typical nerve cell at rest? 3.0/
3.0 Points
A. sodium
B. acetylcholine
C. chloride
D. potassium
Answer is D
Feedback: Correct!
Question 5 of 32
During the absolute refractory period, a neuron would need to be depolarized by
mV before another action potential could be generated.
3.0/ 3.0 Points
