The structure can not be found in carotid sheath is
A. Common carotid artery
B. Internal jugular vein
C. Internal carotid artery
D. Vagus nerve
E. Cervical portion of sympathetic trunk
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The common carotid artery bifurcate into external and internal carotid artery at the level of
A. Hyoid bone
B. Superior border of thyroid cartilage
Cricoid cartilage
D. Inferior border of mandible
E. Transverse process of the 6th cervical vertebra
The lymph nodes lie at the junction of posterior belly of digastric muscle and internal jugular vein are
A. Juguloomohyoid lymph node(颈内静脉肩胛舌骨肌淋巴结)
B. Jugulodigastric lymph node(角淋巴结)
C. Virchow lymph node
D. Supraclavicular lymph node
E. Lateral cervical lymph node
The platysma is innervated by
A. Cervical branch of facial nerve
B. Lesser occipital nerve
C. Great auricular nerve
D. Transverse nerve of neck
E. Supraclavicular nerve
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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