Arteries of the Head and Neck (Q3,P5)

Question 1

Right Common Carotid

Answer 1

Right Common Carotid branches from the brachiocephalic trunk

Question 2

Left Common Carotid

Answer 2

Left Common Carotid is the 2nd branch of the aortic arch

Question 3

Anatomical Guide for the Common Carotids

Answer 3

Along the medial border of the SCM. In the groove between the lateral border of the trachea and medial border of the SCM

Question 4

Anatomical Limits for the Right Carotid

Answer 4

Begins at a point behind the sternoclavicular articulation and extends to the level of the superior border of the thyroid cartilage.

Question 5

Anatomical Limits for the Left Carotid

Answer 5

Begins at the level of the 2nd costal cartilage at the highest point of the arch of the aorta, and extends to the level of the superior border of the thyroid cartilage.
- The left common carotid is smaller and deeper.

Question 6

Linear Guide for the Common Carotids

Answer 6

A line drawn from the sternoclavicular articulation to the anterior surface of the lobe of the ear.

Question 7

Branches of the Common Carotids

Answer 7

External and Internal Carotid Arteries

Question 8

Eight Branches of the External Carotids Artery

Answer 8

• Facial Artery
• Posterior Auricular Artery
• Ascending Pharyngeal Artery
• Superficial Temporal Artery – terminal branch
• Maxillary Artery (external facial artery) – terminal branch
• Superior Thyroid Artery
• Lingual Artery
• Occipital Artery

Question 9

Four Branches of the Internal Carotid Artery

Answer 9

• Ophthalmic Artery
• Anterior Cerebral Artery
• Middle Cerebral Artery
• Posterior Communicating Artery

Question 10

Cerebral Arterial Circle/Circle of Willis

Answer 10

• Cerebral Anastomoses
• Unites the brain’s anterior and posterior blood supplies provided by the internal carotid and vertebral arteries

Question 11

Nine Arteries of the Circle of WIllis

Answer 11

• Right and Left Internal Carotid Arteries (2)
• Anterior Communicating Artery (1)
• Right and Left Anterior Cerebral Arteries (2)
• Right and Left Posterior Cerebral Arteries (2)
• Right and Left Posterior Communicating Arteries (2)