Multiple Choice
Opening of the inactivation gate of the Na channel
A) Causes the upstroke of the action potential
B) Occurs during depolarization to threshold
C) Occurs after repolarization of the membrane
D) Is blocked by tetrodotoxin
E) Is blocked by TEA
Correct Answer:

Verified
Correct Answer:
Verified
Q5: Depolarization refers to<br>A) Making the membrane potential
Q6: The first step in the nerve action
Q7: Suppose that after an action potential we
Q8: The time after an excitation during which
Q9: “Latency” refers to the<br>A) Delay between increase
Q11: In most cells, Increasing g<sub>K</sub> would cause<br>A)
Q12: A cell has a resting membrane potential
Q13: Repolarization of the nerve during the action
Q14: In most cells, Increasing g<sub>Na</sub> would cause<br>A)
Q15: In the Hodgkin-Huxley explanation of the action