anterior triangle

Question 1

what is found in the carotid triangle

Answer 1

thyroid gland, larynx, pharynx, carotid sheath

branches of the cervical plexus, superior roots of ansa cervicalis, deep cervical lymph nodes, parts of cn 11 and 12

Question 2

what is the ansa cervicalis

Answer 2

loop of nerves made up of c1, 2 and 3

Question 3

what structure is most medial in the carotid sheath

Answer 3

carotid artery

Question 4

what structure is most lateral in the carotid sheath

Answer 4

internal jugular vein

Question 5

what structure is most posterior in the carotid sheath

Answer 5

vagus nerve

Question 6

where does the carotid sheath run between

Answer 6

foramen of carotid canal to the aortic arch

Question 7

what 3 triangles can the anterior triangle be divided into

Answer 7

submental triangle
carotid triangle
muscular triangle

Question 8

what is the carotid sinus

Answer 8

enlargement at the bifurcation of the common carotid containing baroreceptors

monitors stretch/ BP,

Question 9

what is the innervation of the carotid sinus

Answer 9

glossopharyngeal nerve (cn 9) via carotid sinus nerve 
and vagus back to the tractus solitarius 

travels to the cardioregulatory centre and vasomotor centre in the medulla

Question 10

slide 8

Answer 10

s