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Thought, Sense and Movement > Neck and Pharynx > Flashcards

Flashcards in Neck and Pharynx Deck (28)
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1
Q

What structures run within the carotid sheath?

A

Internal jugular vein
Common carotid artery
Vagus nerve CN X

2
Q

Name the posterior part of pre-tracheal fascia?

A

Buccopharyngeal fascia

3
Q

Name the boundaries of the posterior triangle of the neck?

A

Posterior sternocleidomastoid
Middle 1/3 of clavicle
Anterior trapezius

4
Q

Where does CN XI - accessory nerve exit the cranium?

A

Jugular foreman

5
Q

What muscles does CN XI - accessory nerve supply motor innervation to?

A

Trapezius

Sternocleidomastoid

6
Q

Between which muscles are the roots of the brachial plexus found?

A

Anterior scalenous

Middle scalenous

7
Q

Which nerve travels obliquely over anterior scalenous?

A

Phrenic nerve

8
Q

Name the boundaries that make up the anterior triangle of the neck?

A

Middle line
Anterior sternocleidomastoid
Mandible

9
Q

Name the four supra-hyoid muscles?

A

Mylohyoid
Geniohyoid
Stylohyoid
Digastric - Anterior belly + Posterior belly

10
Q

What is the nerve innervation of mylohyoid?

A

Posterior branch of V3

11
Q

What is the nerve innervation of geniohyoid?

A

C1

12
Q

What is the nerve innervation of stylohyoid?

A

CN VII - Facial

13
Q

What is the nerve innervation of the anterior and posterior bellies of digastric?

A
Anterior belly (mandible) - V3
Posterior belly (mastoid) - CN VII - facial
14
Q

Name the four infra-hyoid (strap) muscles?

A

Omohyoid
Sternohyoid
Sternothyroid
Thyrohyoid

15
Q

Which of the four infra-hyoid muscles is not innervated by the Ansa cervicalis and what is its innervation?

A

Thyrhyoid

C1

16
Q

The submandibular gland wraps around which muscle?

A

Mylohyoid

17
Q

The submandibular duct loops around which nerve?

A

Lingual nerve - branch of posterior V3

18
Q

Which vertebral level does the bifurcation of the common carotid artery occur?

A

C3

19
Q

In relation to the common carotid, where is the internal jugular vein located?

A

Normally anterior and lateral to the CCA

20
Q

What two muscles are supplied with motor innervation by C1?

A

Geniohyoid (suprahyoid muscle)

Thyrohyoid (infrahyoid muscle)

21
Q

C1 hitches a lift on which nerve?

A

CN XII - Hypoglossus

22
Q

Where does CN X - Vagus exit the cranium?

A

Jugular foreman

23
Q

Describe how CN X - Vagus is sensory to the larynx?

A

Reccurant laryngeal branch is sensory to the infragotic cavity
External superior laryngeal branch is sensory to the supraglotic cavity and epiglottis

24
Q

Describe the sensory distribution of CN IX - glossopharyngeal?

A

Posterior 1/3 of the tongue
Pharynx
Inner surface of the tympanic membrane

25
Q

Which muscle receives motor innervation from CN IX - glossopharyngeal?

A

Stylopharyngeus

26
Q

CN XII - Hypoglossus is motor to all the extrinsic muscles of the tongue except, and what is its innervation?

A

Palatoglossus - CN - X

27
Q

Which three muscles elevate the pharynx, and what is their motor innervation?

A

Stylopharygeus - CN IX - glossopharygeal
Palatopharyngeus - CN X - vagus
Salpingopharyngeus - CN X - vagus

28
Q

Which of the three constrictor muscles is attached to the pterygomandibular raphe?

A

Superior constrictor