Head And Neck

Question 1

Brachiocephalic vein

Answer 1

Union of subclavian and internal jugular vein
Enters thorax anteriorly alongside trachea

Question 2

Common carotid artery

Answer 2

Arises on left from aortic arch and right from Brachiocephalic artery then ascends into neck

Question 3

External carotid artery

Answer 3

Heavily branched, dividing at level of neck of the mandible

Question 4

Superior thyroid

Answer 4

Inclines downwards and forwards from external carotid, to supply thyroid gland and larynx