Which of the following is true about threshold for an action ...

[KWilfred]

Which of the following is true about threshold for an action potential?
 A) It is more positive than the resting membrane potential.
  B) Voltage-gated potassium channels begin to close.
  C) Voltage-gated potassium channels begin to open.
  D) The membrane begins to hyperpolarize.
  E) Threshold for a typical neuron is approximately -30 mV.

Question 2

A threshold stimulus is the
 A) depolarization necessary to cause an action potential.
  B) peak of an action potential.
  C) hyperpolarization of an axon.
  D) resting membrane potential.
  E) electrical current that crosses the synaptic cleft.

[BUTTHOL369]

Answer to Question 1

A

Answer to Question 2

A

[KWilfred]

YES! Correct, THANKS for helping me on my review

[epscape]

Thanks for the timely response, appreciate it