Blood Supply Of Brain

Question 1

Anterior choroideal artery comes from

Answer 1

Internal carotid

Question 2

Posterior choroideal artery comes from

Answer 2

Posterior cerebral

Question 3

Anteromedial group of arteries comes from

Answer 3

Anterior cerebral and anterior communicating

Question 4

Anteromedial group of arteries supplies

Answer 4

Anterior limb of internal capsule
Corpus striatum
Anterior hypothalamus

Question 5

Anterolateral grp A comes from

Answer 5

Middle cerebral A

Question 6

Anterolateral grp A supplies

Answer 6

Anterior limb of internal capsule

Caudate, lentiform nucleus

Question 7

Posteromedial grp A comes from

Answer 7

Posterior cerebral A

Posterior communicating A

Question 8

Posteromedial group A supplies

Answer 8

Thalamus
Subthalamus
Hypothalamus

Question 9

Posterolateral group A comes from

Answer 9

Posterior cerebral A

Question 10

Posterolateral group A supplies

Answer 10

Thalamus including medial and lateral geniculate bodies

Question 11

Branches of vertebral A

Answer 11

1. Anterior spinal
2. Posterior spinal
3. Posterior inferior cerebellar
4. Meningeal
5. Medullary

Question 12

Branches of basilar A

Answer 12

1. Posterior cerebral (terminal)
2. Posterior cerebellar
3. Pontine
4. Labyrinthine
5. Anterior inferior cerebellar

Question 13

Branches of posterior cerebral A

Answer 13

1. Anterior temporal
2. Posterior temporal
3. Parieto-occipital
4. Calcarine
5. Posterior choroideal

Question 14

Branches of cerebral part of internal carotid A.

Answer 14

1. Ophthalmic
2. Middle cerebral
3. Anterior cerebral
4. Anterior choroideal
5. Posterior communicating

Question 15

Branches of anterior cerebral A

Answer 15

1. Anterior communicating
2. Pericallosal
3. Callosomarginal

Question 16

Branches of middle cerebral A

Answer 16

1. Frontal
2. Parietal
3. Temporal

Question 17

Main artery of superolateral surface

Answer 17

Middle cerebral

Question 18

Main artery of medial surface

Answer 18

Anterior cerebral

Question 19

Main artery of inferior surface

Answer 19

Posterior cerebral

Question 20

Occlusion of anterior cerebral A

Answer 20

1. Contralateral hemiparesis , hemianaesthesia
2. Inability to identify objects
3. Apathy, personality changes

Question 21

Occlusion of middle cerebral artery

Answer 21

1. Contralateral hemiplegia, hemianaesthesia
2. Aphasia
3. Contralateral homonymous hemianopia

Question 22

Occlusion of posterior cerebral A

Answer 22

1. Contralateral homonymous hemianopia with macula sparing

Question 23

Midbrain is supplied by

Answer 23

1. Posterior cerebral
2. Superior cerebellar
3. Basilar

Question 24

Pons is supplied by

Answer 24

1. Basilar
2. Superior cerebellar
3. Anterior inferior cerebellar

Question 25

Superior cerebral vein

Answer 25

- drain superolateral and medial surfaces | - drain into superior sagittal sinus

Question 26

Superficial middle cerebral vein

Answer 26

- lies in lateral sulcus - drains into cavernous sinus anteriorly - posteriorly communicates with superior sagittal sinus through superior anastamotic vein of Troland - communicates with transverse sinus through inferior anastamotic vein of Labbe

Question 27

Deep middle cerebral vein

Answer 27

- lies deep in lateral sulcus | - joins anterior cerebral vein to form basal vein

Question 28

Inferior cerebral vein

Answer 28

- drain inferior surfaces | - empty into nearby intracranial sinuses

Question 29

Basal vein of Rosenthal

Answer 29

- by union of anterior cerebral, deep middle cerebral and striate veins - terminates into great cerebral vein of Galen

Question 30

Internal cerebral veins

Answer 30

- on either side of 3rd ventricle - by union of: thalamostriate, septal, choroideal. - form great cerebral vein of Galen - empty into straight sinus

Question 31

Great cerebral vein of Galen

Answer 31

- by union of internal cerebral veins - joined by basal veins - empties into straight sinus

Question 32

Extradural hemorrhage

Answer 32

Rupture of anterior division of middle meningeal artery

Question 33

Subdural haemorrhage

Answer 33

Tearing of superior cerebral veins

Question 34

Subarachnoid hemorrhage

Answer 34

Leakage or rupture of berry aneurysms on circle of Willis

Question 35

Intracerebral haemorrhage

Answer 35

Rupture of charcots artery (branch of middle cerebral)

Question 36

Structures of BBB

Answer 36

1. Capillary endothelial cells with tight junctions 2. Basement membrane 3. Foot processes of astrocytes

Question 37

Areas devoid of BBB

Answer 37

1. Pineal gland 2. Posterior lobe of pituitary 3. Tuber cinerum 4. Area postrema 5. Interventricular foramen