【单选题】【消耗次数：1】
对于序贯应用CPR-电除颤-CPR-肾上腺素治疗无效的室颤或无脉性室速患者应首选（ ）
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相关题目
【单选题】
对肾上腺素和去甲肾上腺素的描述，错误的是
①
肾上腺素使皮肤、肾脏、胃肠等内脏血管收缩
②
去甲肾上腺素引起骼肌、肝、冠脉血管舒张
③
去甲肾上腺素引起皮肤、肾脏、胃肠等内脏血管收缩
④
肾上腺素的主要作用是加强心脏活动，对血管阻力影响较小
⑤
肾上腺素引起骼肌、肝、冠脉血管舒张
【单选题】
肾上腺素和去甲肾上腺素对心血管的效应是（）
①
两者的升压效应相同
②
两者引起的心率变化相同
③
小剂量的肾上腺素使骨骼肌微动脉舒张
④
去甲肾上腺素使胃肠道微动脉舒张
⑤
在完整机体中，注射去甲肾上腺素后引起血压升高，心率加快
随机题目
【单选题】
21.Children used to be quiet. Nowadays they seem to be much ____________.
①
more noisy
②
noisy
【单选题】
30. I prefer __________ to ___________.
①
to drive; be driven
②
to drive; rather than being driven
③
driving; being driven
④
being driven; drive
【单选题】
15.Let me know if you hear any _____ news.
①
farther
②
further
③
far
④
. the further
【单选题】
20. He has received many presents from admirers, from the_____ to the valueless..
①
precious
②
expensive
③
priceless
④
cheap
【单选题】
8.We have very much ______ your prompt attention to our request.
①
enjoyed
②
appreciated
③
liked
④
. reduced
【单选题】
17.Her_____ body language spoke much louder than her actual words.
①
graceful
②
. grateful
③
gracious
④
grand
【单选题】
16.Tom and Jerry both gave good reports, but Tom’s was_____.
①
best
②
the best
③
better
④
the better
【单选题】
18.Hers is _____ as yours.
①
report as good
②
a such good report
③
as good a report
④
so good report
【单选题】
6. What really ______ is that the teacher should be responsible for his students.
①
happens
②
cares
③
minds
④
matters