【单选题】【消耗次数：1】
下列对抗心律失常药描述错误的是
①
奎尼丁是钠通道阻滞药
②
胺碘酮是广谱抗心律失常药
③
维拉帕米是室性心动过速首选药
④
利多卡因只能对抗室性心律失常
⑤
苯妥英钠既抗心律失常又可以治疗癫痫大发作
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相关题目
【单选题】
下列对抗心律失常药描述错误的是
①
奎尼丁是选择性钙通道阻滞药
②
胺碘酮是广谱抗心律失常药
③
维拉帕米是阵发性室上性心动过速首选药
④
利多卡因只能对抗室性心律失常
⑤
苯妥英钠既抗心律失常又可以治疗癫痫大发作
【单选题】
下列对抗心律失常药描述错误的是
①
奎尼丁是Ⅰa类抗心律失常药
②
胺碘酮是广谱抗心律失常药
③
维拉帕米是阵发性室上性心动过速首选药
④
利多卡因既是抗心律失常药又是常用的局麻药
⑤
苯妥英钠既是抗心律失常药又是癫痫小发作的首选药
【单选题】
维拉帕米抗心律失常的机制是
①
负性肌力作用 ，负性频率作用，负性传导作用
②
负性肌力作用 ，负性频率作用，延长有效不应期
③
降低自律性，减慢传导速度，延长有效不应期
④
降低自律性，加快传导速度，延长有效不应期
⑤
降低自律性，减慢传导速度，缩短有效不应期
随机题目
【单选题】
5.Sometimes animals can _______ the coming disaster, so they can protect themselves.
①
imagine
②
taste
③
sense
④
ignore
【单选题】
13.Oil floats if you ______it on water.
①
will pour
②
are going to pour
③
pour
④
poured
【单选题】
22. When a fire ______ at the National Exhibition in London, at least ten priceless paintings were completely destroyed.
①
broke off
②
broke out
③
broke down
④
broke up
【单选题】
23. Realizing that he hadnt enough money and ______ to borrow from his father, he decided to sell his watch.
①
not wanted
②
not to want
③
not wanting
④
. wanting not
【单选题】
20.The girl’s voice was so low that we could ________ hear her.
①
seldom
②
almost
③
only
④
hardly
【单选题】
7.When we go abroad we are always being ______ around like a group of mentally disabled people.
①
guided
②
.ushered
③
introduced
④
displayed
【单选题】
9. All correspondence ______ to the editor should be sent by airmail.
①
addressed
②
sent
③
signaled
④
went
【单选题】
11.Since family ______children’s character, he encouraged parents to teach children reading.
①
formed
②
shaped
③
built
④
made
【单选题】
17. It was the headmaster _____ gave us the leave to go to the concert.
①
who
②
whom
③
that
④
which