misc. neuro objectives

Question 0

2. what is the vessels does the anterior communicating artery connect?

Answer 0

-the 2 anterior cerebral arteries

Question 1

1. what are the 2 blood vessels that arise from the top?

Answer 1

1. anterior cerebral arteries

Question 2

3. what are the 2 branches heading straight out to the side?

Answer 2

the middle cerebral arteries

Question 3

4. what vessels feed the front (top) of the circle of willis

Answer 3

-internal carotid arteries

Question 4

1. what vessels do the posterior communicating arteries connect?
2. why do you sometimes forget where the posterior comunicating arteries are located?

Answer 4

1. posterior communicating arteries connect the middle cerebral arteries to the posterior cerebral arteries
2. because they are actually lateral and anterior to the posterior cerebral arteries

Question 5

which arteries are at the base of the circle of willis (after the posterior communicating arteries)?

Answer 5

the posterior cerebral arteries

Question 6

what artery services the posterior circulation of the circle of willis?

Answer 6

the basilar artery connects the vertebral arteries to the back of the brain

Question 7

what artery is a branch of the vertebral artery that services the brain?

Answer 7

posterior inferior cerebellar artery

Question 8

what contributes to the anterior circulation of the circle of willis?

Answer 8

carotid arteries

Question 9

what arteries form the posterior circulation of the circle of willis?

Answer 9

vertebral arteries

Question 10

what are the potential problems with aneurysm repair?

Answer 10

1. VAE
2. vasospasm
3. rupture of aneurysm
4. arrhythmias

Question 11

what are the risks of carotid endarterectomy?

Answer 11

1. brady arrhythmias
2. asystole
   3.

Question 12

what issues occur with chronic hypertensive patients and brain injury?

Answer 12

impairement of autoregulation may cause vessels to remain maximally dilated (vasomotor paralysis) leaving the capillary bed succeptible to hypertensive insults and ischemia