W22-L4: Circulation of CNS

Question 1

What artery does the vertebral come off?

Answer 1

Subclavian artery

Question 2

What territory does the MCA cover?

Answer 2

Lateral surface of brain, include parts of all 4 lobes and insula

Question 3

What part of motor and sensory cortex does the MCA not cover?

Answer 3

Lower limb

Question 4

What does the opthalmic artery supply?

Answer 4

top of nasal cavity and frontal scalp

Question 5

What does the anterior choroidal supply?

Answer 5

Structures in the deep lateral hemispheres eg optic tract, lateral ventricles, hippocampus

Question 6

From caudal to rostral what is are the cerebellar arteries?

Answer 6

Posterior Inferior
Anterior Inferior
Superior

Question 7

What supplies the medulla?

Answer 7

Posterior Inferior Cerebellar artery, Anterior spinal and vertebral artery

Question 8

What supplies the Pons?

Answer 8

Pontine branches off the Basilar

Question 9

What supplies the midbrain?

Answer 9

Branches off the posterior cerebral artery and Superior cerebellar artery

Question 10

What is Medial medullary syndrome?

Answer 10

Cerebrovascular accident associated with anterior spinal artery

Question 11

What are the symptoms of Medial medullary syndrome?

Answer 11

Ipsilateral paralysis and atrophy of tongue, contralateral somatosensory hemi-deficit, contralateral hemiparesis