Root of Neck

Question 1

boundaries of the neck

Answer 1

anterior - manubrium and superior border of clavicle
posterior - T1
inferior - superior thoracic aperture

Question 2

subclavian artery

Answer 2

lies below clavicle
blood supply to upper extremities and head/neck

Question 3

branches of subclavian artery

Answer 3

vertebral, thyrocervical trunk, internal thoracic artery, costocervical trunk

Question 4

brachiocephalic vein branches

Answer 4

IJV and subclavian vein

Question 5

sympathetic trunk

Answer 5

preganglionic sympathetic fibres
posterior to ICA and CCA

Question 6

sympathetic trunk / cervical ganglia supplies….

Answer 6

regulates sympathetic innervation of eyelids, eyes, lacrimal glands, carotid body, salivary glands, sweat glands

Question 7

Horner’s Syndrome

Answer 7

damage to cervical sympathetic trunk
caused by blockage or damage to sympathetic nerves that lead to eyes

Question 8

Horner’s syndrome symptoms

Answer 8

constriction of pupil
drooping of superior eyelid
vasodilation and absence of sweating

Question 9

blockage of cervical sympathetic trunk could be because of

Answer 9

pancoast tumours - apex of the lung

Question 10

prevertebral muscles in the root of the neck

Answer 10

anterior, middle and posterior scalene