Anatomy/Physiology

Question 1

What are the boundaries of the anterior triangle in the neck?

Answer 1

Anterior: Midline
Posterior: Anterior border of sternocleidomastoid
Superior: Mandible

Question 2

What are the boundaries of the posterior triangle in the neck?

Answer 2

Anterior: Posterior border of sternocleidomastoid
Posterior: Anterior border of trapezius
Superior: Clavicle

Question 3

What are the four layers of fascia within the neck?

Answer 3

Pre-tracheal
Pre-vertebral
Deep cervical
Carotid sheath

Question 4

Anterior triangle contents?

Answer 4

Arteries: Common carotid, internal carotid, external carotid, facial
Veins: Internal jugular, facial
Nerves: Hypoglossal, vagus, accessory, laryngeal
Nodes: Submandibular, submental

Question 5

Posterior triangle contents?

Answer 5

Arteries: Occipital
Veins: External jugular
Nerves: Accessory, cervical plexus
Nodes:

Question 6

What vertebral level does the common carotid divide?

Answer 6

C4

Question 7

What artery is the only artery to branch in the neck?

Answer 7

External carotid

Question 8

What are the branches of the external carotid?

Answer 8

Superior thyroid
Ascending pharyngeal
Lingual
Occipital
Facial
Posterior auricular
Maxillary
Superficial temporal