Essay
Explain why the voltage-gated Na? channels can close while the cell is depolarized even though the depolarization was the initial stimulus for the channel opening.Include a discussion on refractory periods and explain why action potentials travel in only one direction.
Correct Answer:
Verified
The channels have two gates: activation ...View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Correct Answer:
Verified
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q71: The two types of electrical signals in
Q72: At a(n)_ synapse, a neurotransmitter is released
Q73: The tip of an embryonic nerve cell's
Q74: Why are mitochondria necessary at axon terminals?
Q77: Polio is an uncommon disease in most
Q78: Your study partner in your physiology class
Q79: The sodium-potassium exchange pump<br>A) must re-establish ion
Q80: Explain the differences in axon regeneration in
Q81: The all-or-none principle states that<br>A) all stimuli
Q140: Match the neuroglial cell with its function.<br>-ependymal