2.2 Blood vessels

Question 1

compare where the L & R common carotids and subclavian arteries come from

Answer 1

L- aorta
R- brachiocephalic trunk

Question 2

importance of carotid triangle

Answer 2

-carotid sinus massage
-central pulse
-atheroscelrosis
-access for vagus nerve
-central line access
-contains IJV

Question 3

amaurosis fugax

Answer 3

transient loss of vision due to atherosclerosis of carotid artery causing embolus

Question 4

carotid endarterectomy

Answer 4

incision into carotid to remove atherosclerotic plaque, reduces stroke risk

Question 5

temporal arteritis

Answer 5

superficial temporal artery

-frequent severe headaches
-scalp tenderness over temple
-jaw pain when eating/talking
-visual changes

Question 6

key branches of maxillary artery, and their roles

Answer 6

-middle meningeal artery (dura mater)
-sphenopalatine artery (nose bleeds)

Question 7

how does middle meningeal artery enter the skull?

Answer 7

deep to zygomatic arch, enters via foramen spinosum

Question 8

what make up retromandibular vein?

Answer 8

superficial temporal vein and occipital vein

Question 9

why IJV not EJV for JVP?

Answer 9

doesn’t branch in the neck so more accurate BP of superior vena cava and right atrium
also EJV is valved