下列肌松药哪项不适于产科麻醉（）
A.琥珀胆碱
B.阿曲库铵
C.维库溴铵
D.筒箭毒碱
E.加拉碘铵
参考答案：E
21．Some cars are equipped with GPS for people easily to find the _________ of their destination．
A．location
B．place
C．area
D．position
简述腰神经通道的构成及其影像学意义
