cerebrovascular: anatomy

Where does the right common carotid artery originate?

• Directly off the arch

• Brachiocephalic artery

• Subclavian artery

• Vertebral artery

Where do the vertebral arteries originate?

• At the brachiocephalic artery

• At the subclavian arteries

• At the circle of Willis

• At the external carotid artery

What percentage of CCA blood goes to the ICA?

• 50%

• 60%

• 70%

• 80%

the ICA terminates at circle of willis when it bifurcates into ____ and ____

• ACA

• MCA

• vertebral

• CCA

the left CCA originates directly off _____

• brachiocephalic a.

• arch

• PCA

• circle of willis

The CCA bifurcates into the

• ICA

• ECA

• superior thyroid artery

• vertebral

• PCA

put these in order with how the vascular process goes

• vertebral artery

• PCA

• subclavian artery

• basilar artery

The ECA gives off how many branches to feed the face, neck, and scalp?

• 8 branches

• 6 branches

• 10 branches

• 12 branches

What is the first branch of the ICA at the syphon, which is intracranial?

• Superior thyroid artery

• Ophthalmic artery

• Basilar artery

• Subclavian artery

The vertebral arteries unite to form which artery?

• Basilar artery

• Carotid artery

• Subclavian artery

• Cerebral artery