Vasculature

Question 1

Why can damage to aorta cause damage to the anterior part of the spinal cord?

Answer 1

It can damage the artery of Adamkiewicz which supplies the anterior spinal artery from T12 down.

Question 2

What two structures do the ICAs pass through on their way to the brain?

Answer 2

Carotid canal

Cavernous sinus

Question 3

Where do the vertebral arteries run into the skull?

Answer 3

Foramen magnum

Question 4

What is the posterior and anterior circulation of the brain referring to?

Answer 4

Anterior- ICAs

Posterior- vertebral

Question 5

The anterior communicating artery joins what?

Answer 5

Anterior cerebral arteries

Question 6

The ophthalmic artery is a branch of what?

Answer 6

ICA

Question 7

How many arteries branch off the ICA? They are?

Answer 7

5- posterior communicating, anterior choroidal, anterior cerebral, middle cerebral, ophthalmic

Question 8

The anterior choroidal artery branches off what?

Answer 8

ICA

Question 9

The posterior communicating artery joins what?

Answer 9

ICA

Posterior cerebral artery

Question 10

The posterior cerebral artery is a branch of what?

Answer 10

Basilar artery

Question 11

The superior cerebellar artery is a branch of what?

Answer 11

Basiliar artery

Question 12

AICA is a branch of what?

Answer 12

Basilar artery

Question 13

How many branches does the vertebral artery have?

Answer 13

3- PICA, anterior spinal artery, basilar artery

Question 14

PICA is a branch of what?

Answer 14

Vertebral artery

Question 15

The vertebrobasilar arterial system supplies how far up?

Answer 15

Brain stem –> diencephalon –> posterior cortex

Question 16

What supplies the lateral Brainstem?

Answer 16

PICA

Question 17

What supplies the most medial region of the medulla?

Answer 17

Anterior spinal artery

Question 18

What supplies the most lateral region of the medulla?

Answer 18

PICA

Question 19

What supplies the lateral part of the Pons?

Answer 19

AICA

Question 20

What supplies the medial part of the pons?

Answer 20

Basilar

Question 21

What supplies the more medial region of the midbrain?

Answer 21

Basilar

Question 22

What supplies the lateral region of the midbrain?

Answer 22

Superior cerebellar

Posterior cerebral

Question 23

What supplies the occipital lobe?

Answer 23

Posterior cerebral

Question 24

What supplies the medial temporal lobe?

Answer 24

Posterior cerebral

Question 25

What supplies the inferior temporal lobe?

Answer 25

Posterior cerebral

Question 26

What supplies the lateral temporal lobe?

Answer 26

Middle cerebral

Question 27

What supplies the parietal lobe?

Answer 27

Mostly anterior cerebral

Question 28

What supplies the frontal lobe?

Answer 28

Anterior cerebral

Question 29

The anterior cerebral artery courses directly superior to which structure?

Answer 29

Cingulate gyrus

Question 30

Which branches of the middle cerebral artery supply deep structures and are damaged by age, diabetes, HTN and stimulant abuse?

Answer 30

Lenticulostriate arteries

Question 31

What arteries supply the basal ganglia?

Answer 31

Deep penetrating arteries

Question 32

What arteries supply the thalamus?

Answer 32

Deep penetrating arteries

Question 33

What is a watershed?

Answer 33

Area between blood vessel distributions that is susceptible to low MAP from cardiac arrest and causes ischemic tissue that appears as wedges.

Question 34

Rupture of what veins causes subdural hematomas?

Answer 34

Bridging veins

Question 35

Which 2 veins drain deep structures in the brain?

Answer 35

Inferior sagittal sinus | Great cerebral vein

Question 36

What vein drains the eye and orbit?

Answer 36

Cavernous sinuses

Question 37

Which connects the cavernous sinus to the transverse sinus?

Answer 37

Petrosal sinus

Question 38

What are the 3 vessels that supply the spinal cord? What do they branch from?

Answer 38

Anterior spinal artery 2 Posterior spinal arteries Vertebral arteries