LANDERS VASC OF BRAIN

Question 1

a trilaminar envelope derived from mesenchymal and neural crest which give rise tot he primary meninges which will differentiate into layers?

Answer 1

meninges

Question 2

two layers of meninges?

Answer 2

pachymeninges (duramater)

leptomeninges (arachnoid and Pia Mater)

Question 3

this meninge is an external thick fibrous layer

Answer 3

pachymeninges

Question 4

this meninge is the thinner membranous layer

Answer 4

leptomeninges

Question 5

anterior branches of the circle of willis?

Answer 5

left and right internal carotid arteries

anterior cerebral
anterior communicating
middle cerebral

Question 6

posterior branches of the circle of willis?

Answer 6

left and right vertebral arteries

posterior inferior cerebellar
basilar
posterior cerebral
posterior communicating

Question 7

brain must receive these two nutrients to survive?

Answer 7

oxygen and glucose

Question 8

neurons begin to die after how many minutes?

Answer 8

5 minutes

Question 9

occlusion or narrowing of arteries leads to?

Answer 9

infarction of the territory supplied by the artery

Question 10

this results from the rupture of any artery, vein or aneurysm?

Answer 10

intracranial hemorrhage

Question 11

name this blockage?

contralateral hemiplegia and hemisensory loss with aphasia

loss of spatial awareness

Answer 11

middle cerebral artery

Question 12

name this blockage?

contralateral leg monoplegia

Answer 12

anterior cerebral artery

Question 13

name this blockage?

contralateral motor and or sensory deficits

Answer 13

internal capsule

Question 14

this is produced as an ultra filtrate of arterial blood and stored in 4 ventricles inside the brain?

Answer 14

CSF

Question 15

these are specialized ependymal cells have basal processes which form end feet which transport substances between the ventricular CSF and blood?

Answer 15

tanycytes

Question 16

blockage of CSF flow through ventricles

internal bleeding

blockage of CSF flow back into the venous system

softening and stretching of cerebral tissues

Answer 16

hydrocephalis