主要使窦房结、房室结的自律性降低，传导速度减慢，ERP延长的药_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题 A1型题

主要使窦房结、房室结的自律性降低，传导速度减慢，ERP延长的药物是()

A.利多卡因

B.美西律

C.苯妥英钠

D.胺碘酮

E.维拉帕米

答案

参考答案：E

选择题

—My teacher told me never to go to school again.

—Sorry to hear that.But were you often late for class?

—___________.

A．I was too late to study

B．Well,I’m afraid I often were 

C．I did enjoy myself

D．I have no idea

单项选择题

1，1，2，6，( )

A．21

B．22

C．23

D．24