Muscles & Neuromuscular Junction (NMJ)

The absolute refractory period of an action potential is due to ____

  • A. Insufficient neurotransmitter
  • B. Depletion of intracellular Na+
  • C. Inactivation of Na+ k+ ATPase
  • D. Voltage inactivation of the Na+ channel
Answer: Option D.
Explanation: 

No answer description available for this question

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