CNS vasc part 1

Question 2

vertebral arteries (R and L)

Answer 2

ascend through the transverse foramina of the cervical vertebra and enter the cranial cavity via the foramen magnum.

Question 3

internal carotid arteries

Answer 3

ascend through the neck to the base of the skull and enter the cranial cavity through the carotid canal.

Question 4

The vertebral arteries contribute to the ——-

circulation

Answer 4

The vertebral arteries contribute to the posterior circulation

Question 5

Vertebral arteries

Answer 5

, ascend through the transverse foramina of the cervical vertebra and enter the cranial cavity via the foramen magnum.

Question 6

pontomedullary junction,

Answer 6

the right and left vertebral arteries unite to form the basilar artery.

Question 7

The anterior and posterior spinal arteries

Answer 7

arise from the vertebral arteries

Question 8

supply the spinal cord

Answer 8

anterior and posterior spinal arteries

Question 9

travel midline spinal cord (

Answer 9

Anterior Spinal Artery

Question 10

travel just posterior to the dorsal horn of the spinal cord (bilateral)

Answer 10

Posterior Spinal Arteries

Question 11

spinal arteries braches from the vertebral artery provide

Answer 11

sufficient blood supply to the upper cervical spinal cord levels only.

Question 12

one anterior and two posterior spinal arteries extend —–to supply the spinal cord

Answer 12

one anterior and two posterior spinal arteries extend caudally to supply the spinal cord

Question 13

radicular arteries.

Answer 13

reinforce anterior and posterior spinal arteries

Question 14

radicular arteries

Answer 14

branches off of the posterior intercostal arteries.

Question 15

radicular artery at ~T12 spinal cord level

Answer 15

called the great radicular artery

may provide the entire arterial supply for the lumbosacral spinal cord.

Question 16

vertigo and ipsilateral deafness

Answer 16

occlusion of internal auditory or labyrinthine artery

Question 17

basilar artery terminates by bifurcating

Answer 17

into the two posterior cerebral arteries

Question 18

which of the following isnt a branch of the basilar art

Anterior inferior cerebellar artery

pontine arteries

Superior cerebellar artery

internal auditory or labyrinthine artery

Posterior inferior cerebellar artery

Answer 18

t Posterior inferior cerebellar artery

Question 19

anterior spinal artery, vertebral artery, PICA supply

Answer 19

Caudal medulla

Question 20

posterior spinal artery

Answer 20

Caudal medulla :

Question 21

pons is mainly supplied by branches of the —–

artery

Answer 21

pons is mainly supplied by branches of the basilar artery

Question 22

caudal pontine

Answer 22

anterior inferior cerebellar artery and

basilar artery

Question 23

rostral pontine levels

Answer 23

basilar artery and superior cerebellar artery

Question 24

Most of the midbrain is supplied by the —— —– —- and their branches

Answer 24

Most of the midbrain is supplied by the posterior cerebral arteries and their branches

Question 25

Blood supply to the most dorsal aspect of the midbrain arises from the ——- ——- ——-

Answer 25

Blood supply to the most dorsal aspect of the midbrain arises from the superior cerebellar artery.

Question 26

Supplies the occipital lobe and medial and inferior surface of the temporal lobe

Answer 26

Posterior cerebral artery (PCA) territory

Question 28

lesion to post column

Answer 28

vibration and position sense

Question 29

lesion to anterolateral pathways

Answer 29

pain and temp sense

motor loss

Question 30

lateral medullary syndrome

Answer 30

Wallenberg’ s Syndrome

Question 31

ischemia in the territory of the vertebral artery and/or PICA.

Answer 31

Wallenberg’s syndrome

Question 33

spinal trigeminal nucleus and tract of wallensurg syndrome

Answer 33

contralat body dec. pain and temp sense

Question 34

Spinothalamic tract of wallenburg syndrome

Answer 34

contralat body dec pain and temp sense

Question 35

hoarsenss and dysphagia

Answer 35

nucleus ambiguous of wallenburg syndrome

Question 36

ipsilateral dec taste

Answer 36

nucleus solitary of Wallenburg syndrome

Question 37

descending symp. fibers of wallenburg syndrome

Answer 37

ipsilateral horners syndrome

Question 38

inf cerebral peduncle, vestibular nuceli

Answer 38

ips ataxia, vertigo, nausea, nystagmus

Question 39

bilateral ventral pons ischemia

Answer 39

Locked-in Syndrome

Question 40

narrowing of basilar artery

Answer 40

Wallenburg syndrome

Question 41

he/she is only capable of eye movements.

Answer 41

Locked-in Syndrome

Question 42

pontomesencephalic reticular formation

Answer 42

spared in Locked-in Syndrome

Question 43

Locked-in Syndrome

Answer 43

consciousness is spared.

Question 44

only capable of eye movements

Answer 44

Locked-in Syndrome

Question 45

by bilateral ventral midbrain ischemia (cerebral peduncles)

Answer 45

Locked-in Syndrome

Question 46

secondary to lack of blood flow in the rostral basilar artery

Answer 46

Locked-in Syndrome

Question 47

The “Circle of Willis” connects the —– and —–

arterial cerebral circulation

Answer 47

The “Circle of Willis” connects the anterior and posterior arterial cerebral circulation

Question 48

©Both ICAs terminate by giving rise to

Answer 48

a middle cerebral artery (MCA) and anterior cerebral artery (ACA).