【简答题】Every vessel that is to keep out of the way of another vessel must take positive early action to comply with this obligation and must ______.A. avoid crossing ahead of the other vesselB. avoid passin...
【判断题】传导麻醉可选用2%利多卡因或2~5%普鲁卡因。
【简答题】用局麻药阻滞周围神经末梢或神经干(节丛)的冲动传导,产生一个局限性麻醉区,称为局部麻醉。可供临床使用的局麻药品很多。 局麻药按照其化学结构可以分为酯类和酰胺类,下列选项中,属于酯类的是()。 A.利多卡因 B.布比卡因 C.丁卡因 D.苯妥英钠 E.辛可卡因 普鲁卡因局部浸润麻醉一次成人限量是()。 A.0.75g B.l.0g C.1.5g D.2.0g E.3.0g 下列选项中,属于引起局麻药...
【单选题】We must abandon vessel after explosion
A.
The vessel will be abandoned after collision
B.
The vessel will be abandoned after piracy
C.
The vessel will be abandoned after armed attack
D.
The vessel will be abandoned after explosion