Arteries of the Head

Question 1

Blood supply to the head is provided by the _____ and _____

Answer 1

common carotid & vertebral arteries

Question 2

Blood supply to the brain is provided by the _____ & ______

Answer 2

vertebral a. and internal carotid a.

Question 3

Branches of the common carotid a.

Answer 3

cranial thyroid a., internal carotid a., external carotid a.

Question 4

The internal carotid a. enters the ______, courses through the _____ and exits and loops back into the carotid foramen before it joins the arterial circle at the base of the brain

Answer 4

• tympano-occipital fissure

- carotid canal

Question 5

Branches of the External Carotid Artery

Answer 5

• Occipital a.
• Ascending pharyngeal a.
• Cranial laryngeal a.
• Lingual a.
• Facial a.
• Caudal auricular a.
• Superficial temporal a.
• Maxillary a.

Question 6

Enlargement or swelling at base of internal carotid a.

Answer 6

carotid sinus

Question 7

Blood supply to the external ear is derived from br. of the

Answer 7

caudal auricular a.

Question 8

Pinna blood supply

Answer 8

• lateral auricular br.
• intermediate auricular br.
• medial auricular br.

Question 9

Ear canal blood supply

Answer 9

deep auricular a.

Question 10

Clinical relevance to ear blood supply

Answer 10

• aural hematomas
• total ear canal ablation
• ear canal resection

Question 11

After giving off the superficial temporal a., the external carotid a. continues as the ____

Answer 11

maxillary a.

Question 12

The inferior alveolar a. and n. enter the ____ to supply the dental alveoli of the lower arcade of teeth

Answer 12

mandibular foramen

Question 13

The ____ is the first branch of the maxillary a. after its emergence from the rostral alar foramen

Answer 13

external opthalmic a.