Cranial System

Question 1

Falx cerebri

Answer 1

seperates the left and right hemispheres

Question 2

tentorium cerebelli

Answer 2

seperates the cerebrum and cerebellum

Question 3

the venous sinuses ___

Answer 3

contain venous blood from the brain and skull

Question 4

Venous sinuses of importance

Answer 4

• superior sagittal sinus
• inferior sagittal sinus
• straight sinus
• transverse sinus
• confluence sinus
• sigmoid sinus

Question 5

Arteries that supply the brain

Answer 5

1. internal carotid artery
2. vertebral artery

Question 6

the internal carotid artery gives rise to

Answer 6

the anterior circulation

Question 7

the vertebral arteries give rise to

Answer 7

the posterior circulation

Question 8

blood circulation of the brain occurs in 3 types of pathways

Answer 8

1. anterior cerebral
2. middle cerebral
3. posterior cerebral

Question 9

the most common type of stroke is

Answer 9

ischemic stroke

Question 10

ischemic stroke is a

Answer 10

clot blocking blood flow to an area of the brain

Question 11

hemorrhagic stroke is a

Answer 11

bleeding inside or around brain tissue

Question 12

clinical outcome of stroke rules

Answer 12

1. laterality
2. location
3. lef-sided language representation
4. cortical mapping

Question 13

laterality rule

Answer 13

each side of the brain governs movement and sensation on the opposite side of the body

Question 14

location rule

Answer 14

each vessel supplies a specific portion of the cerebral cortex

Question 15

left sided language representation rule

Answer 15

language is represented in the left cerebral hemisphere

Question 16

cortical mapping rule

Answer 16

medial = distal body parts
lateral = proximal body parts

Question 17

CSF will be bright in a

Answer 17

MRI