問題詳情
55.tThe action potential depolarizes the cell membrane and transiently bring the membrane potential above 0 mV, then rapidly repolarizes with an undershoot, yet the membrane potential eventually returns to the resting membrane potential at ~ -70 mV. Which ion channel mediates the rapid repolarization?
(A)tCa2+ channel
(B)Na+channel
(C)tK+channel
(D)tATP diannel
(E)tAll of the above
參考答案
答案：C
統計：A:0,B:0,C:3,D:0,E:0
難度：計算中