The hyperpolarization phase of the action potential is due to?
ANSWER: (B) Prolonged opening of voltage-gated K+ channelsREF: Guyton's physiology 12th ed page 61, BRS physiology 4th ed page 11See Physiology 2013 Session 2 for "IONIC BASIS OF NERVE ACTION POTENTIAL"
Opening of voltage-gated Cl- channels
Prolonged opening of voltage-gated K+ channels
Closure of resting Na-t- channels
Closure of Cl- channels
Membrane Potentials and Action Potentials