Regions of the Vertebral Column: Cervical Region (Vertebral Artery) Flashcards Preview

Spinal Anatomy > Regions of the Vertebral Column: Cervical Region (Vertebral Artery) > Flashcards

Flashcards in Regions of the Vertebral Column: Cervical Region (Vertebral Artery) Deck (13):
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 thanwomen

3

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

The vertebrobasilar artery insufficiency test

4

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

The 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

Typically, at what vertebral level will the vertebral artery first become located in the transverse foramen?

C6

8

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

The atlanto-axial interspace

9

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

The atlanto-occipital interspace

10

At what segments will the vertebral artery be firmly attached tot eh transverse foramen?

Both C1 and C2

11

What is the purpose of the vertebral artery loops between C2, C1, and occiput?

The increased length will accommodate the greater rotation at these locations

12

What happens to the vertebral artery as it enters the vertebral foramen of C1?

The adventitia of the artery blends with the dura mater and arachnoid mater; as a result the artery lies in the subarachnoid space

13

What happens to the vertebral artery after it enters the subarachnoid space at tC1?

The veretebral artery ascends along the medulla oblongata to the pontine-medullary junction where the right and left arteries unite to form the basilar artery

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