Which of the following statements regarding action potentials is false? Na+ channel inactivation is due to a voltage-dependent block of the channel pore. Once Na+ channels enter the inactivated state, the only way to remove the inactivation is by repolarizing them (bring the neuron back to rest). Voltage-gated Na+ and K+ channels begin to open at the same time when the membrane is depolarized. The probability that voltage-gated Na+ channels will open is increased when the membrane depolarizes.
Which of the following statements regarding action potentials is false? Na+ channel inactivation is due to a voltage-dependent block of the channel pore. Once Na+ channels enter the inactivated state, the only way to remove the inactivation is by repolarizing them (bring the neuron back to rest). Voltage-gated Na+ and K+ channels begin to open at the same time when the membrane is depolarized. The probability that voltage-gated Na+ channels will open is increased when the membrane depolarizes.
Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter4: Principles Of Neural And Hormonal Communication
Section: Chapter Questions
Problem 17RE
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![Which of the following statements regarding action potentials is false?
Na+ channel inactivation is due to a voltage-dependent block of the channel pore.
Once Na+ channels enter the inactivated state, the only way to remove the inactivation is
by repolarizing them (bring the neuron back to rest).
Voltage-gated Na+ and K+ channels begin to open at the same time when the membrane is
depolarized.
The probability that voltage-gated Na+ channels will open is increased when the
membrane depolarizes.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbd1e3813-29ee-4559-9532-7c63fe4cc8e7%2F0a790400-d7ac-4973-9652-1fdfc303daf4%2Fx4no1f9_processed.png&w=3840&q=75)
Transcribed Image Text:Which of the following statements regarding action potentials is false?
Na+ channel inactivation is due to a voltage-dependent block of the channel pore.
Once Na+ channels enter the inactivated state, the only way to remove the inactivation is
by repolarizing them (bring the neuron back to rest).
Voltage-gated Na+ and K+ channels begin to open at the same time when the membrane is
depolarized.
The probability that voltage-gated Na+ channels will open is increased when the
membrane depolarizes.
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