Export Neck Innervation and Blood Supply 1 Flashcards Preview

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

CN IX branches in what muscles triangles?

A

submandibular and carotid

2
Q

CN IX provides brachial motor innervation to what muscle?

A

Stylopharyngeus

3
Q

CN IX provides visceral sensory from

A

Pharynx, Carotid sinus, Carotid body

4
Q

Carotid sinus is a baroreceptor that regulates

A

blood pressure

5
Q

Carotid body is a chemoreceptor that regulates

A

heart rate and respiration

6
Q

Vagus nerve travels through what muscle triangle?

A

submandibular and carotid

7
Q

Vagus nerve has 3 branches, what are they?

A

Pharyngeal, superior laryngeal, recurrent laryngeal

8
Q

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

A

internal, external laryngeal

9
Q

Internal laryngeal provides general sensory to what

A

larynx

10
Q

External laryngeal provides branchial motor to what

A

1 muscle

11
Q

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

A

branchial motor

12
Q

Left recurrent laryngeal nerve loops under what

A

arch of aorta

13
Q

Right recurrent laryngeal nerve loops under what

A

subclavian artery

14
Q

Both the left and right recurrent laryngeal nerves ascend to what

A

larynx

15
Q

CN XI provides branchial motor innervation to what?

A

Sternocleidomastoid, trapezius

16
Q

CN IX descends behind what muscle?

A

posterior belly of digastric

17
Q

CN IX passes through what muscle 2 muscles triangles?

A

anterior triangle to then loop up into submandibular triangle

18
Q

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

A

grey communicating branches

19
Q

Post ganglionic sympathetic fibers leave the ganglia via thoracic viscera via

A

cardiopulmonary splanchnic nerves

20
Q

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

A

branches to ride on arteries