Exam 3: vessels and nerves of the head

Question 1

Blood supply to the head is provided by the ____ and ___ aa.

Answer 1

common carotid and vertebral

Question 2

Blood supply to the canine brain is via the ___ and ____ aa.

Answer 2

vertebral and internal carotid

Question 3

What are the 3 br. of the common carotid a.?

Answer 3

1. Cranial thyroid a. (not resp. for)
2. Internal carotid a.
3. External carotid a.

Question 4

Which br. of the common carotid extends to the carotid sinus/body?

Answer 4

Internal carotid a.

Question 5

The internal carotid a. enters the ____ fissure and courses through the ____ canal, then exits and loops back intor the _____ before it joinst the arterial circle at the base of the brain.

Answer 5

1. Tympano-occipital fissure
2. Carotid canal
3. carotid foramen/foramen lacerum

Question 6

What are the 8 branches of the external carotid a.

Answer 6

1. occipital a.
2. Ascending pharyngeal a. (NR)
3. Cranial laryngeal a. (NR)
4. Lingual a.
5. Facial
6. Caudal auricular a.
7. Superficial temporal a.
8. Maxillary a.