Vertebral Artery/Misc Cervical Questions Flashcards
The vertebral artery on which side is typically larger?
left vertebral artery
What is the gender bias regarding size of the vertebral artery?
men have larger vertebral arteries than women
What was the name of the physical exam used to determine vertebral artery patency?
the vertebrobasilar artery insufficiency test
Which side arty was tested during the course of the vertebrobasilar artery insufficiency test?
the ipsilateral artery on the side of rotation
What are the sypmtoms of failure of the vertebral artery to compensate during the verebrobasilar artery insufficiency exam?
dizziness, vertigo, nausea are common complaints
The vertebral aretery is typically a branch of which artery?
subclavian artery
At what location will the vertebral artery form its first compensatory loop?
the atlanto-axial interspace
At what location will the vertebral artery form its second compensatory loop?
the atlanto-occipital interspace
At what segments will the vertebral artery be firmly attached to the transverse foramen?
both C1 and C2
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
What artery is formed by the union of the right and left vertebral arteries?
the basilar artery
What forms the anterior boundary for the C2 nerve exit from the spinal canal?
inferior articular process of C1, superior articular process of C2, capsular ligament
What forms the posterior boundary for the C2 nerve exit from the spinal canal?
the posterior arch of C1, lamina of C2 and posterior atlanto-axial ligament
What forms the anterior boundary for the C3-C7 nerve exit from the spinal canal?
the vertebral bodies, intervertebral disc, posterior longitudinal ligament, uncinate process, lateral groove
What are the superior articular facet orientations for the cervical vertebrae?
C1 is backward, upward, medial (BUM), C2 is backward, upward, lateral (BUL), C3-C7 is backward, downward, medial (ForMeD)
