Blood Vessels Of The Brain

Question 1

Brain _ percent of body weight

Answer 1

2

Question 2

Brain requires _ percent of cardiac output to function correctly (range)

Answer 2

15-20

Question 3

If blood supply to brain out for as little as _ seconds, we lose consciousness

Answer 3

10

Question 4

Irreversible damage occurs within a matter of _

Answer 4

Mjnutes

Question 5

Internal Carotid enters skull through carotid canal and then branches to supply _

Answer 5

Cerebral cortex

Question 7

Two main branches of internal carotid are the _ cerebral arteries (2)

Answer 7

Middle

Anterior

Question 8

Vertebral arteries arise from _ arteries

Answer 8

Subclavian

Question 9

Vertebral arteries enter skull through Foramen magnum and supply (2)

Answer 9

Brainstem

Cerebellum

Question 10

Vertebral arteries join to form _

Answer 10

Basilar artery

Question 11

Basilar artery divides to form posterior arteries that supply _ and more

Answer 11

Occipital, or visual cortex

Question 12

Two sources of blood to brain link to form a circuit at base of brain called the _

Answer 12

Circle of Willis