下颌升支内侧隆突阻滞麻醉后,病人出现张口困难,发热可能是()
A.血肿所致
B.操纵不当感染所致
C.正刺入下齿槽神经干
D.注射过快
E.注射针未抵骨面进入腮腺内
参考答案:B
-So hot in the classroom. Would you mind___ _the windows?
-OK. I’ll do it right now. [ ]
A. not closing
B. not opening
C.closing
D.opening
下列哪种药物的中间代谢产物能透过血-脑脊液屏障并产生麻醉作用()
A.依托咪酯
B.硫喷妥钠
C.芬太尼
D.羟丁酸钠
E.丙泊酚