Neck

Question 1

4 compartments of the neck

Answer 1

Visceral (1)

Vertebral (1)

Vascular (2)

Question 2

what are the hyoid bones

Answer 2

Suprahyoid (4)

Infrahyoid

Question 3

what are the suprahyoid muscles

Answer 3

Digastric (anterior belly [V3]): Lower mandible, raises hyoid

Digastric (posterior belly [VII]): Pulls hyoid up and back

Stylohyoid [VII]: Pulls hyoid back

Mylohyoid [V3]: Elevate hyoid

Geniohyoid [C1 branch via hypoglossal]: Pulls hyoid forward - when mandible fixed, Pulls mandible down - when hyoid fixed

Question 4

what are the infrahyoid muscles

SOTS

Answer 4

Sternohyoid [C1-3, via ansa cervicalis]: Depress hyoid after swallowing

Omohyoid [C1-3, via ansa cervicalis]: Depresses and fixes hyoid

Thyrohyoid [C1, via hypoglossal]: Depresses and fixes hyoid raises larynx during
swallow.

Sternothyroid

Question 5

arterial supply of the neck

Answer 5

Question 6

venous drainage of the neck

Answer 6

external jugular
anterior jugular
internal jugular