Cerebral Arteries

Question 0

Any supply

Answer 0

Mostly any frontal lobe and corpus callousness

Question 1

Two anterior Cerebral arteries ( l ACA and R ACA) supplies by

Answer 1

The internal Carotids

Question 2

Location it ACA

Answer 2

Swoops posteriorly towards parieto-temporal-occipital area

Mohawk

Question 3

Two middle cerebral arteries (L MCA and r MCA ) supplied by

Answer 3

The internal Carotids

Question 4

MCA SUPPLY

Answer 4

Fan shaped distribution to most of lateral brain surface, temporal, parietal and post frontal lobe
Put hand on head when thinking

Question 5

Two posterior cerebral arteries (L PCA AND R PCA) supplied by

Answer 5

The basilar (via the vertebrals)

Question 6

What does it supply

Answer 6

Occipital lobe, lower temporal lobe

Hair on back of neck

Question 7

Difficulty with facial processing

Answer 7

PCA

Question 8

Motor planning and initiation affected

Answer 8

Ant/middle CA

Question 9

Stroke closer to heart more damage

Answer 9

Diffuse, global distribution

Question 10

Less damage. If into capillaries

Answer 10

Focal

Concentrated area of impairment

Question 11

Broca’s is in. Frontal lobe but supplied by

Answer 11

MCA

Question 12

Capillaries can extend past their area

Answer 12

True

Question 13

MCA called the

Answer 13

Zone of language, encompass comprehension and expression

Question 14

PCA area brain map

Answer 14

Temporal-face processing/memory of the inferior medial part if temporal

Question 15

Prefrontal cortex can be fed by

Answer 15

Both ant and middle CA

Question 16

Why have collateral supply

Answer 16

A system of blood supply to the brain in case of blockage

Question 17

There is some overlap between the cerebral arteries as distribution spreads out to

Answer 17

Small vessels at the periphery

Question 18

Blockages in supply at the periphery will have…

Answer 18

Less impact than blockage in supply elsewhere

Question 19

Peripheral blockages (small vessels) may have some compensation from…

Answer 19

Collateral distribution

Question 20

What is the blood brain barrier BBB

Answer 20

Selective permeability of capillaries, arteries

A astrocytes help form barrier

Question 21

BBB restricts toxic substances from

Answer 21

Leaving the bloodstream and entering the brain tissue or extracellular fluid

Question 22

BBB keeps most bacteria out but

Answer 22

Also keeps many helpful antibodies out

Question 23

Allows good stuff in and some bad stuff out

Answer 23

Nexttt

Question 24

Oxygen and glucose

Answer 24

Get in

Question 25

Carbon dioxide

Answer 25

Get out

Question 26

Some hormones

Answer 26

Get through

Question 27

But BBB is permeable to

Answer 27

Alcohol l, some

Heavy metals, caffeine, nicotine

Question 28

Effectiveness of meds dependent on how you get the meds to cross the

Answer 28

BBB
Sometimes gave to use glucose as Transport system
Tight junctions hard to get meds through