【Bryan】評論
Phenytoin 具有增加鈉離子管道不反應期(inactivated state)的藥理作用Hydantoins slow the synaptic transmission by blocking sodium channels from recovering from the inactivated state, and inhibits neurons from firing. This stops the repeated excitation of cells that results in seizures.
【Celeste】評論
(B)Phenytoin藉由抑制鈉離子 流入神經元進而阻斷產生刺激的動作電位及穩定神經細胞;
【硯】評論
(B) Phenytoin 具有延長鈉離子管道不反應期(inactivated state)的藥理作用
【莉鯊】評論
class IB:阻斷鈉離子通道,使傳導下降 → 延長鈉離子管道不反應期縮短心室的ADP(動作電位)、EPS(不反應期)但心室若缺血,IB反而增加EPS
【借居的阿麗埃蒂】評論
(D)仔細看的話應該也錯:不具有抑制回收的作用參考這題:D是Vigabatrin