Cervical Angiology and Neurology

Question 1

Where does common carotid a. originate on the left and right?

Answer 1

Left: aorta
Right: brachiocephalic trunk

Question 2

What is housed in the carotid sheath?

Answer 2

Common carotid a., internal jugular v., vagus n.

Question 3

What does the posterior auricular a. supply? (4)

Answer 3

Parotid gland
Facial n.
Temporal bone
Auricular scalp

Question 4

Ascending palatine a. supplies: (1)

Answer 4

Soft palate

Question 5

Which artery supplies the submandibular gland?

Answer 5

Submental a.

Question 6

What does the ascending pharyngeal a. supply? (4)

Answer 6

Pharynx
Anterior vertebral ms.
Middle ear
Cranial meninges

Question 7

What does the vertebral a. and the deep cervical a. supply? (1)

Answer 7

Lateral and posterior neck ms.

Question 8

Carotid sinus hypersensitivity syndrome

Answer 8

The carotid sinus can be hypersensitive to pressure which can lead to reduced HR and can cause someone to faint.

Question 9

Which nerves do the carotid bodies relay info to adjust HR, RR and BP?

Answer 9

CN IX

CN X

Question 10

The facial v. can drain into which veins?

Answer 10

Anterior jugular v.

Internal jugular v.

Question 11

The retromandibular v. can drain in which veins?

Answer 11

Internal jugular v.
Communicating branch —> anterior jugular v.

Question 12

Posterior auricular v. drains into:

Answer 12

External jugular v.

Question 13

The communicating branch goes between which veins?

Answer 13

Retromandibular v. and anterior jugular v.

Question 14

Where is the site for central line placement usually?

Answer 14

Subclavian v.

Question 15

The external jugular venous pressure can approximate what?

Answer 15

It is internal barometer that can be used as a tool to dx HF, SVC obstructuction, etc.

Question 16

Superficial lymph nodes drains into:

Answer 16

Deep inferior cervical LNs

Question 17

Deep cervical LNs drain into:

Answer 17

Jugular lymphatic trunk

Question 18

What does the right lymphatic duct drain?

Where does it empty?

Answer 18

ON THE RIGHT
Drains the jugular lymphatic trunk and subclavian trunk.
Empties into venous circulation where subclavian and internal jugular vs. unite.

Question 19

What does the thoracic duct drain?

Where does it empty?

Answer 19

ON THE LEFT
Drains the jugular lymphatic trunk and subclavian trunk.
Empties into venous circulation where subclavian and internal jugular vs. unite.

Question 20

Tonsils (3)

Answer 20

Lingual tonsils
Palatine tonsils
Pharyngeal tonsils (AKA adenoids)

Question 21

What structures are in danger with a Tonsillectomy of the Palatine Tonsils? (3)

Answer 21

Tonsillar a.
CN IX
Internal carotid a.

Question 22

What are tonsilloliths?

Answer 22

Tonsils stones. Calcifications that form in crypts of palatine tonsils.

Question 23

What are the roots of the cervical plexus?

Answer 23

C1-C4/5

Question 24

Root of lesser occipital n.

Answer 24

C2

Question 25

Roots of great auricular n.

Answer 25

C2-C3

Question 26

Roots of supraclavicular ns.

Answer 26

C3-C4

Question 27

Roots of ansa cervicalis
Superior root
Inferior roots

Answer 27

C1-C3
Sup - C1 (travels w/ CN IX)
Inf - C2-C3

Question 28

PSNS nerves in the cervical region (6)

Answer 28

From vagus n.

Pharyngeal branch
Superior laryngeal n.
Recurrent laryngeal n.
N. to the carotid body
Superior cardiac branch
Middle cardiac branch