Neurovascular Structures in the Neck

Question 1

which artery is the common carotid artery a branch of on the right and left side?

Answer 1

right > brachiocephalic trunk
left > arch of aorta

Question 2

which structures are in the carotid sheath?

Answer 2

common carotid artery
internal jugular vein
vagus

Question 3

at which vertebral level and in relation to the cartilaginous structures in the neck does the CCA bifurcate?

Answer 3

at the level of the thyroid cartilage C4

Question 4

does the ECA or ICA give off branches in the neck?

Answer 4

ECA yes

Question 5

in the neck, is the ECA or ICA most lateral?

Answer 5

internal carotid artery is most lateral

Question 6

label this

Answer 6

Question 7

what are the two terminal branches of the ECA (given off in the face) and within which glandular structure are they given off?

Answer 7

ends with the parotid gland by dividing into the superficial temporal and maxillary artery

Question 8

where does the internal jugular vein arise and emerge from?

Answer 8

arises from jugular venous sinus (which drains the brain) and emerges from the jugular foramen.

Question 9

which vein of the upper limb does the IJV merge with?

Answer 9

combines with subclavian vein

Question 10

in relation to the SCM, does the EJV run superficial or deep?

Answer 10

superficially and obliquely

Question 11

which vein does the EJV drain into?

Answer 11

subclavian vein

Question 12

where does the vagus nerve lie in relation to the vascular contents of the carotid sheath?

Answer 12

posterior

Question 13

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

Answer 13

posterior to carotid sheath in the anterior surface of the anterior scalene muscle