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【单选题】
常规布局的飞机，机翼升力对飞机重心的力矩常为使飞机机头的__________力矩。(重心在主机翼升力作用点前，尾翼为了平衡下压，常规布局小于鸭式布局的原因)A.
上仰
B.
下俯
C.
偏转
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反馈参考答案：
举一反三
【多选题】止血时注意事项:( )
A.
不可过紧也不可过松,最多绕五圈,以出血停止为宜。
B.
止血带最好用有弹性的橡胶管,紧急情况下可以使用铁丝、电线等代做止血带。
C.
上好止血带,在上面做明显的标记,写明上止血带的时间,每30~50分钟放松一次止血带,每次2~5分钟,此时用局部压迫法止血。再次结扎止血带的部位应上下稍加移动,减少皮肤损伤。
D.
松止血带时应注意观察出血情况,如出血不多,可改用其他方法止血,以免压迫血管时间过长,造成肢体坏死。止血后必须尽快送医院作进一步处理。
【单选题】Deep palmar arch
A.
is formed by the anastomosis of the terminal part of the radial artery with deep branch of the ulnar artery
B.
is formed by the anastomosis of the terminal part of the ulnar artery with deep branch of the radial artery
C.
lies superficial to the tendons of flexor muscles
D.
lies superficial to the lumbricales
【单选题】The deep palmar arch is formed by ------
A.
the ends of radial artery and the deep palmar branch of ulnar artery
B.
the ends of radial artery and the deep palmar branch of axillary artery
C.
the ends of ulnar artery and the deep palmar branch of radial artery
D.
the ends of ulnar artery and the deep palmar branch of axillary artery
E.
None of above is the right answer
【单选题】The deep branch of radialnerve goes to the back of the forearm through
A.
coracobrachialis
B.
Supinator
C.
triangular space
D.
quadrangular space
【单选题】The nerve accompanying the deep palmar arch is
A.
the recurrent branch of median nerve
B.
the superficial branch of radial nerve
C.
the common interosseous nerve
D.
the deep branch of ulnar nerve
【简答题】带毛的整张狐皮,未经加工
【单选题】Deep palmar arch
A.
is formed by the anastomosis of the terminal part of the radial artery with deep branch of the ulnar atery
B.
is formed by the anastomosis of the terminal part of the ulnar artery with deep branch of the radial artery
C.
lies superficial to the tendons of flexor muscles
D.
lies superficial to the lumbricales
E.
gives off three common palmar digital ateries
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