The structure superficial to the sternocleidomastoid is
A. External jugular vein
B. Carotid sheath
C. Sympathetic trunk in the neck
D. Common carotid artery
E. Ansa cervicalis(颈襻)
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The space lies between pretracheal layer and cervical part of trachea is
A. Superastenal space
B. Pretracheal space
C. Parapharyngeal space
D. Prevertebral space
E. Retropharyngeal space(咽后间隙)
The muscle forms the border both carotid triangle and submandibular triangle is
A. Stylohyoid
B. Digastric
C. Geniohyoid
D. Omohyoid
E. Mylohyoid
One of the motor components of the cervical plexus, the ansa cervicalis, innervates all of the following muscles except the
A. Omohyoid
B. Sternohyoid
C. Sternothyroid
D. Thyrohyoid
E. None of above.
患者左侧颈部淋巴结结核,在胸锁乳突肌中线切口自肌后缘向深部清除淋巴结,术后出现左肩不能抬举,手术中损伤的结构是
A. 颈丛神经根
B. 臂丛
C. 副神经
D. 迷走神经
E. 膈神经