[单选题]下列哪种静脉麻醉药最易引起喉痉挛()
正确答案 :B
硫喷妥钠
[单选题]属尿道结石的临床表现为()。
正确答案 :B
突发性尿线变细,排尿费力,呈点滴状,尿流中断
[单选题]As the plunger moves up, the ports are closed and the fuel () and delivered to the injector nozzle at very high pressure.
正确答案 :C
is pressurized
[单选题]药典中规定关木通的常用剂量为()。
正确答案 :C
3-6g
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