Lab 2

Question 1

What does the internal carotid artery supply?

Answer 1

anterior circulation of forebrain: cerebrum, choroid plexus, thalamus

Question 2

what does internal carotid artery give rise to?

Answer 2

ACA and MCA

Question 3

What does the Posterior inferior cerebellar arteries supply?

Answer 3

medulla and cerebellum

Question 4

What does the anterior inferior cerebellar arteries supply?

Answer 4

pons and cerebellum

Question 5

What does the posterior cerebral artery supply?

Answer 5

midbrain, thalamus, occipital lobe, temporal lobe, bottom part of pre and post central gyrus, choroid plexus

Question 6

What does the middle cerebral artery supply

Answer 6

temporal lobe, parietal lobe, internal capsule, caudate nucleus, pre and post central gyrus, insula

Question 7

what does the anterior cerebral artery supply?

Answer 7

frontal and parietal lobe, corpus callosum, cinguate gyrus, visual pathway, pre and post central gyrus

Question 8

what does the vertebral artery supply?

Answer 8

occipital, inferior temporal lobes, brain stem, cerebellar region and SC

Question 9

what does the basilar artery supply?

Answer 9

posterior circulation of brain. pons, medulla, cerebellum

Question 10

What does anterior communicating artery supply?

Answer 10

medial regions of frontal lobe and parietal lobe

Question 11

what does posterior communicating artery supply?

Answer 11

internal capsule, mammillary bodies, optic chiasm, 3rd ventricle

Question 12

what does pontine branches supply?

Answer 12

pons

Question 13

what does posterior spinal arteries supply?

Answer 13

supply posterior 1/3 SC and medulla

Question 14

What happens if ACA gets blocked?

Answer 14

hemiplegia/ hemisensory loss in contralateral LE and personality changes

Question 15

What happens if MCA gets blocked?

Answer 15

hemiplegia/hemisensory loss in contralateral UE, trunk, face.

aphagia
difficulty understanding spatial relationships, hemi neglect, nonverbal communication

Question 16

What happens if blocked PCA?

Answer 16

declarative memory, pain, contralateral hemiparesis/hemisensory loss, eye movements, cortical blindness

Question 17

What happens if vertebral artery gets blocked?

Answer 17

head and neck pain, oculomotor abnormalities, death, abnormal levels of consciousness, ataxia, weakness, numbness, dizziness, H/A, vomiting

Question 18

what if anterior spinal artery gets blocked?

Answer 18

paralysis, quadriplegia=bilateral, autonomic dysfunction, loss of pain, temperature

Question 19

what if basilar artery gets blocked?

Answer 19

death, tetraplegia, numbness, loss of consciousness, cranial nerve damage, locked in syndrome