关于膀胱三角的描述，正确的有（ ）

多项选择题属于腹膜内位器官的有（）

A．胃
B．回肠
C．升结肠
D．子宫
E．肾

多项选择题可使肩关节外展的肌是（）

A．三角肌
B．冈上肌
C．冈下肌
D．大圆肌
E．小圆肌

多项选择题开口于中鼻道的鼻旁窦有（ ）

单项选择题Which of the following nerves supplies the biceps brachii ( )

单项选择题Which of the following nerves arises from the pons ( )

单项选择题Which of the following is NOT considered as part of the alimentary system ( )

单项选择题The decussation of pyramid lies in ( )

单项选择题The facial artery arises from ( )

单项选择题The maxillary nerve leaves the skull through ( )