Workshop 3 Neurovas

Question 1

3 Major Arteries supply the cerebral cortex

Answer 1

Anterior Cerebral
Middle Cerebral
Posterior Cerebral

Question 2

Circle of Willis composed off:

Answer 2

Anterior Cerebral Arteries
Anterior Communicating
Internal carotid
Posterior cerebral
Posterior communicating

Question 3

Major Input of Circle of WIllis

Answer 3

Internal Carotids
Vertebral Arteries

Question 4

What supplies the Midbrain

Answer 4

basilar

Question 5

what supplies pons

Answer 5

basilar branches (pontine arteries)

Question 6

what supplies Dorsolateral medulla:

Answer 6

posterior inferior cerebellar artery

Question 7

what supplies anterior medulla

Answer 7

anterior spinal and vertebral arteries

Question 8

where are superior and inferior sagittal sinuses found?

Answer 8

falx cerebri

Question 9

where do inferior sagittal sinuses drain into?

Answer 9

straight sinuses

Question 10

superior sagittal and straight sinsus drain into?

Answer 10

empty into the transverse which then drain into sigmoid

Question 11

sigmoid turn into?

Answer 11

Internal Jungular Vein

Question 12

What sinuses receive venous blood from the orbit and face

Answer 12

Cavernous

Question 13

what joins with the internal jugular vein?

Answer 13

joins with the subclavian veins to form the brachiocephalic veins

Question 14

Brachiocephalic Veins join the?

Answer 14

Superior Vena Cava

Question 15

Role of the Superior Vena Cava

Answer 15

delivers de02 blood to the right artium of the heart

Question 16

Anterior Spinal Artery is a branch of what artery and what does it supply

Answer 16

branch of the vertebral arteries
supplies ant. 2/3 of the corf including ant/lat horns

Question 17

Posterior is a branch of what artery and what does it supply?

Answer 17

Most Commonly arise from the posterior inferior cerebellar artery
2 posterior arterys supply posterior 1/3 of the cord, dorsal horns and columns

Question 18

Inferior part of the medulla including pyramids, medial lemniscus and Hypglossal fibres is what artery:

Answer 18

Anterior Spinal

Question 19

level of medulla is supplied by what artery

Answer 19

posterior artery

Question 20

What are Radicular Arteries?

Answer 20

combined supply of the ant. post. spinal arteries only adequate for the supply of the superior segments of the cervical cord

Below this level radicular arteries help

Question 21

Blood Supply to the Cervical

Answer 21

Vertebral, deep cervical and ascending cervical arteries

Question 22

Blood Supply to the Cervical

Answer 22

Vertebral, deep cervical and ascending cervical arteries

Question 23

Blood supply to Thoracic

Answer 23

Posterior Intercostal arteries

Question 24

Blood supply Lumbar/Sacral

Answer 24

Lumbar and lateral sacral arteries

Question 25

General Ssx Indicating Stroke

Answer 25

Facial Drop, Arm Weakness, Speech, Time, Ataxia, Aphasia, Nystagmus

Question 26

Occlusion of Anterior Cerebral A

Answer 26

Disinhibition and speech perservation Primitive reflexes Impaired Judgement Gait apraxia

Question 27

Occlusion of the Middle Cerebral A

Answer 27

Aphasia Contra-lateral hemiplegia Homonymous hemianopia

Question 28

Occlusion of the Posterior Cerebral A

Answer 28

Hemisensory loss hemi-body pain contra-lateral homonymous heminopia