对变异型心绞痛最有效的药物是
A.奎尼丁B.利多卡因C.普萘洛尔D.维拉帕米E.阿托品
参考答案:A
Thinking that her daughter was doing homework, the mother left the room, _____ .
A.quickly and gentle
B.quick and gentle
C.quickly and gently
D.quick and gently
对于预防“碘过敏反应”的发生,无帮助的措施是()
A.检查前做碘过敏实验
B.选用非离子型造影剂
C.选用高渗造影剂
D.减少造影剂用量
E.高危患者避免使用含碘造影剂