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Spinal Anatomy Exam 2 > vertebral artery > Flashcards

Flashcards in vertebral artery Deck (11):
1

the vertebral artery on which side is typically larger?

left vertebral artery

2

what is the gender bias regarding size of the vertebral artery?

men have larger vertebral arteries than women

3

what was the name of the physical exam used to determine vertebral artery patency?

vertebrobasilar artery insufficiency test

4

what side artery was tested during the course of the vertebrobasilar artery insufficiency exam?

ipsilateral artery on the side of rotation

5

what are the symptoms of failure of the vertebral artery to compensate during the vertebrobasilar artery insufficiency exam?

dizziness, vertigo, nausea are common complaints

6

the vertebral artery is typically a branch of which artery?

subclavian artery

7

at what location will the vertebral artery form its first compensatory loop?

atlanto-axial interspace

8

at what location will the vertebral artery form its second compensatory loop?

atlanto-occipital interspace

9

at what segments will the vertebral artery be firmly attached to the transverse foramen?

both C1 and C2

10

what is the purpose of the vertebral artery loop between C2, C1, and occiput?

the increased length will accommodate the greater rotation at these locations

11

what artery is formed by the union of the right and left vertebral arteries?

basilar artery