blood supply

Question 1

regions of middle cerebral artery

Answer 1

superior, inferior, deep

Question 2

Infarct left MCA superior

Answer 2

right face and arm weakness, broca’s aphasia

Question 3

infarct left MCA inferior

Answer 3

Wernicke’s aphasia, right vision defect, right face and arm sensory loss, patients seem confused or crazy

Question 4

infarct left MCA deep

Answer 4

right pure motor hemiparesis

Question 5

infarct left MCA stem

Answer 5

right hemiplegia, right hemianesthesia, right homonymous hemianopia, global aphasia

Question 6

hemianopia

Answer 6

lose sight in half of vision field

Question 7

infarct right MCA superior

Answer 7

left face and arm weakness, left hemineglect

Question 8

infarct right MCA inferior

Answer 8

left visual field and somatosensory deficits

Question 9

infarct right MCA deep

Answer 9

left pure motor hemiparesis

Question 10

Infarct right MCA stem

Answer 10

left hemiplegia, left hemianesthesia, left hemianopia,

Question 11

infarct left ACA

Answer 11

right leg weakness, abnormal grasp reflex, frontal lobe behavioral abnormalities, transcortical aphasia

Question 12

infarct right ACA

Answer 12

Left leg weakness, abnormal grasp reflex, frontal lobe behavioral abnormalities

Question 13

infarct left PCA

Answer 13

right hemianopia, alexia, can cause aphasia, right hemisensory loss and right hemiparesis

Question 14

alexia

Answer 14

lose ability to read

Question 15

agraphia

Answer 15

impairment or loss of previous ability to write

Question 16

infarct right PCA

Answer 16

left hemianopia, may cause left hemisensory loss and left hemiparesis

Question 17

terminal arterial branches are in

Answer 17

the subarachnoid space

Question 18

ICA branch from _ and enter via _

Answer 18

common carotid, carotid canal

Question 19

Vertebral arteries branch from _ enter via _ and merge to from unpaired _

Answer 19

subclavian, foramen magnum, basilar artery

Question 20

Branches of ICA

Answer 20

ophthalmic, posterior communicating, anterior choroidal, anterior cerebral (ACA), middle cerebral (MCA)

Question 21

Branches of ACA

Answer 21

anterior communicating, medial striate, pericallosal, callosomarginal

Question 22

vertebrobasilar system

Answer 22

vertebral artery, basilar artery, PCA

Question 23

branches of PCA

Answer 23

cortical branches, deep branches

Question 24

branches of vertebral artery

Answer 24

anterior spinal, posterior inferior cerebellar (PICA)

Question 25

branches of basilar artery

Answer 25

pntine arteries, anterior inferior cerebellar arteries (AICA) superior cerebellar

Question 26

circle of willis is formed by

Answer 26

anterior communicating artery, anterior cerebral arteries, internal carotid arteries, posterior communicating arteries, posterior cerebral arteries

Question 27

dural venous sinuses

Answer 27

superior sagittal sinus, inferior sagittal sinus, straight sinus, transverse, superior petrosal, inferior petrosal, occipital, sigmoid, cavernous, intercavernous sinus, sphenoparietal,

Question 28

ventricles of the brain

Answer 28

lateral, interventricular foramen, third, aqueduct of the midbrain, fourth

Question 29

flow of CSF

Answer 29

lateral to 3rd to 4th to subarachnoid space to dural sinus

Question 30

what is the main site of CSF absorption

Answer 30

arachnoid granulations

Question 31

communicating hydorcephalus

Answer 31

site of obstruction is extraventricular

Question 32

non communicating hydrocephalus

Answer 32

site of obstruction is at the ventricular level