W1: S6 - Neurovascular Structures in the Neck

Question 1

Where does arterial blood to the head and neck come from?

Answer 1

The CCA

Question 2

Which artery is the CCA a branch of on the right hand side?

Answer 2

Brachiocephalic Artery

Question 3

What artery is the CCA a branch of on the left?

Answer 3

Aortic Arch

Question 4

In what structure does the CCA run in the neck and what else runs in this structure?

Answer 4

• Carotid sheath
  
  • IJV
  • Vagus

Question 5

At what vertebral level does the CCA divide into the ICA and ECA?

Answer 5

Upper body of thyroid cartilage @ C4

Question 6

Which branch of the CCA gives off branches in the neck?

Answer 6

ECA

Question 7

What are the 2 terminal branches of the ECA and where do they form?

Answer 7

• Superficial temporal
• Maxillary

Form in the parotid gland

Question 8

Where is the branch of the superior thyroid artery?

Answer 8

Just after the the bifurcation of the CCA

Question 9

Where does the EJV run in relation to the SCM?

Answer 9

Superficial

Question 10

Which vein does the EJV drain into?

Answer 10

Subclavian

Question 11

Where does the vagus lie in relation to the vascular structures in the carotid sheath?

Answer 11

Posterior

Question 12

Where does the phrenic nerve lie in relation to the carotid sheath?

Answer 12

Lateral

Question 13

Why is the IJV used for central lines?

Answer 13

Runs directly into brachiocephalic