The absolute refractory period of an action potential is due to _______________?

A. Inactivation of Na+ k+ ATPase

B. Depletion of intracellular Na+

C. Insufficient neurotransmitter

D. Voltage inactivation of the Na+ channel

Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.

Discuss the answer or suggest a sourced correction
Thank you for contributing.
Your comment was submitted and will appear after editorial review.

Your email is used only for moderation and is never displayed. Spam, copied material and fabricated endorsements are rejected.