单项选择题

The following structure is located in the carotid sheath （）.

A．sympathetic trunk
B．vertebral artery
C．glossopharyngeal n.
D．internal jugular vein
E．external jugular vein

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热门试题

单项选择题

The following nerves which should be avoided to be injured when we want to ligate （结扎）inferior thyroid a （）.

A．the trunk of vagus
B．inferior laryngeal nerve
C．the lateral branch of superior laryngeal nerve
D．the trunk of sympathetic n.
E．recurrent laryngeal nerve

单项选择题

The trigone of bladder lies （）.

A．in internal surface of fundus of bladder
B．below apex of urinary bladder
C．in the body of bladder
D．below neck of bladder
E．in base of prostate