Export Neck Innervation and Blood Supply 1

Question 1

CN IX branches in what muscles triangles?

Answer 1

submandibular and carotid

Question 2

CN IX provides brachial motor innervation to what muscle?

Answer 2

Stylopharyngeus

Question 3

CN IX provides visceral sensory from

Answer 3

Pharynx, Carotid sinus, Carotid body

Question 4

Carotid sinus is a baroreceptor that regulates

Answer 4

blood pressure

Question 5

Carotid body is a chemoreceptor that regulates

Answer 5

heart rate and respiration

Question 6

Vagus nerve travels through what muscle triangle?

Answer 6

submandibular and carotid

Question 7

Vagus nerve has 3 branches, what are they?

Answer 7

Pharyngeal, superior laryngeal, recurrent laryngeal

Question 8

The superior laryngeal nerve has 2 branches, what are they?

Answer 8

internal, external laryngeal

Question 9

Internal laryngeal provides general sensory to what

Answer 9

larynx

Question 10

External laryngeal provides branchial motor to what

Answer 10

1 muscle

Question 11

Recurrent laryngeal nerve provides what kind of innervation to other muscles?

Answer 11

branchial motor

Question 12

Left recurrent laryngeal nerve loops under what

Answer 12

arch of aorta

Question 13

Right recurrent laryngeal nerve loops under what

Answer 13

subclavian artery

Question 14

Both the left and right recurrent laryngeal nerves ascend to what

Answer 14

larynx

Question 15

CN XI provides branchial motor innervation to what?

Answer 15

Sternocleidomastoid, trapezius

Question 16

CN IX descends behind what muscle?

Answer 16

posterior belly of digastric

Question 17

CN IX passes through what muscle 2 muscles triangles?

Answer 17

anterior triangle to then loop up into submandibular triangle

Question 18

Post ganglionic sympathetic fibers leave the ganglia via cervical spinal nerves via

Answer 18

grey communicating branches

Question 19

Post ganglionic sympathetic fibers leave the ganglia via thoracic viscera via

Answer 19

cardiopulmonary splanchnic nerves

Question 20

Post ganglionic sympathetic fibers leave the ganglia via what? to reach the head and viscera of the neck.

Answer 20

branches to ride on arteries