Vascular System

Question 0

What are the 8 branches of the external carotid artery

Answer 0

Facial-anterior
Superior thyroid - anterior
Lingual - anterior
Ascending pharyngeal -medial
Occipital -posterior
Posterior auricular- posterior
Maxillary - terminal
Superficial temporal -terminal

Question 1

What major arteries supplies the head and neck?

Answer 1

Common carotid

Subclavian artery

Question 2

What 2 nerves supply the face?

Answer 2

Facial artery

Maxillary artery

Question 3

What is the union of the maxillary vein and superficial temporal vein ?

Answer 3

Retro mandibular vein

Question 4

Where does the anterior division drain into?

Answer 4

Internal jugular vein

Question 5

What vein drains the teeth?

Answer 5

Internal and external jugular veins via the split in the retro mandibular vein

Question 6

What is the pterygoid plexus?

Answer 6

A collection of anastomosing vessels around the pterygoid muscles and in the infratemporal fossa

Question 7

Where is the pterygoid plexus located?

Answer 7

Around the pterygoid muscles and surrounding the maxillary artery on each side of the face in the infratemporal fossa

Question 8

What is the pterygoid plexus clinical significance ?

Answer 8

If its punctured during PSA block it can cause the infection to travel to cavernous sinus where it can cause thrombosis which results in Death because it goes to the brain