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Flashcards in Export Neck Innervation and Blood Supply 1 Deck (20):
1

CN IX branches in what muscles triangles?

submandibular and carotid

2

CN IX provides brachial motor innervation to what muscle?

Stylopharyngeus

3

CN IX provides visceral sensory from

Pharynx, Carotid sinus, Carotid body

4

Carotid sinus is a baroreceptor that regulates

blood pressure

5

Carotid body is a chemoreceptor that regulates

heart rate and respiration

6

Vagus nerve travels through what muscle triangle?

submandibular and carotid

7

Vagus nerve has 3 branches, what are they?

Pharyngeal, superior laryngeal, recurrent laryngeal

8

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

internal, external laryngeal

9

Internal laryngeal provides general sensory to what

larynx

10

External laryngeal provides branchial motor to what

1 muscle

11

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

branchial motor

12

Left recurrent laryngeal nerve loops under what

arch of aorta

13

Right recurrent laryngeal nerve loops under what

subclavian artery

14

Both the left and right recurrent laryngeal nerves ascend to what

larynx

15

CN XI provides branchial motor innervation to what?

Sternocleidomastoid, trapezius

16

CN IX descends behind what muscle?

posterior belly of digastric

17

CN IX passes through what muscle 2 muscles triangles?

anterior triangle to then loop up into submandibular triangle

18

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

grey communicating branches

19

Post ganglionic sympathetic fibers leave the ganglia via thoracic viscera via

cardiopulmonary splanchnic nerves

20

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

branches to ride on arteries