Cerebral blood supply

Question 1

بسم الله الرحمن الرحيم
_____________________
origin of blood supply of brain is ?

Answer 1

Subclavain giving vertebral arety
Common carotid giving ICA
=20% of COP

Question 2

Anterior circulation by ?
Supplying?

Answer 2

Internal carotid artery
anterior 2/3 of the hemispheres + part of diecneplaton

Question 3

Posteiror cirucoaton by?
supplying ?

Answer 3

Vertebral artery
Post 1/3 of hemispheres and Cerebellum and thalamus and
Brain stem and part of spinal cord

Question 4

Mention parts of intenral carotid

Answer 4

Cervical in neck in carotid sheath
Petrous in carotid canal
Cavernous Running in the floor then piercing the Roof
Cerebral passes backward medial to antreiro clenoid process

Question 5

Intenral cartotid formed at bifucration of CCA AT?

Answer 5

Upper border of Thyroid cartilage
Between C3 and C4

Question 6

Carotid siphon -= ?

Answer 6

Cavernous + cerebral part

Question 7

Latral to optic chiasma and opposite to anterior perofrated substance the Internal carotid artery gives ?

Answer 7

Anterior cerebral artery
Middle Cerebral artery

Question 8

Mention Branches of intenral carotid artery ?

Answer 8

Anterior and Middle cerebral artery
Posterior communicating artery
Anterior choroidal artery
Opthalmic artery
Hypoheseal + ganglionics for trigeminal ganglia !

Question 9

Anterior cerebreala artery one of 2 terminals of ICA
Course?
Joined with his fellow by?

Answer 9

Running in tha callosal sulcus till paieto-occipital sulcus
Joined with his felow by anterior communicating artery

Question 10

Main blood supply of the Medial surface of hemisphers /

Answer 10

Anteriro cerebral artery

Question 11

Anterior cerebral artery branhces mention

Answer 11

1-Cortical Branches :-
-Medial surface frontal and pariteal till parietoociipial sulcus
-Area 1 inch width in the supieror medial side of lateral surface of hemisphers
-Medial 1/3 of Orbital part of inferiro surface
_______________________________
2-Central branches eneting the Anterior perforated substance supplyung genis and lower half of anterior limb of internal capsule
anteiro caudate ant lenfirom
_________________________
3-callosal branches

Question 12

Dmage to Anterior cerebral artery casue?

Answer 12

Contralateral Monoplegia
Contralateral loss of sensation from leg
Affect Prefrontal cortex functions

Question 13

Running in the lateral sulcus to reah suprolateral surface?

Answer 13

Middle cerebral artery

Question 14

Middle cerebral artery branches?

Answer 14

Cortical :
supplying the lateral surface of hemisphers except for upper and lower inch and occipital boe
supplying laterla 2/3 of oribtal part of inferior surface+ Temporal pole
____________________________-
central giving Anterolateral set (lateral stirate artery ) piereve anterior perforating artery giving
Post caudate and lentiform
and The upper half of anterior and post limbs
*gives charoct artery of Cerebral Hge?

Question 15

Artery of Cerebral Hge is ?

Answer 15

Charcot artery from central of Middle cerebral artery

Question 16

Superolateral surface of hemisphers supplied by
the areas mainly supplied?

Answer 16

Middle cerebral artery cortical
Primary motor and sensory area
Broca’s + wernicks + Auditory
Heaing centers
Indsula !

Question 17

oCCLUSON of Middle cerebral artery leads to ?

Answer 17

Contra lateral upper limb monoplegia and sensory loss
from face and arm and hand
Aphasia if in dominant hemisphers
Hearing is Weakened

Question 18

Posterior communicating artery joins?

Answer 18

Posteiror cerebral artery

Question 19

Enter inferior horn of lateran ventricle to from Choridal pleux ?

Answer 19

Ant choriodal artery from ICA

Question 20

Tail of caudate supplied by?

Answer 20

Anterior Choroidal artery

Question 21

Sublentifrom
Retrolentifrom of internal capsule
Amygdlois nuclues supplied by?

Answer 21

Anteiror choridal
artery
Anteiror choridal artery
Anterior choroidal artery

Question 22

Orgigin of Veterbral artery ?

Answer 22

First part of subclavian artery

Question 23

Passing in foramen transversum from C6 TO C1 ?

Answer 23

vertebral artery

Question 24

Vetrebral artery passes mdially on groove on posterior arch of ,………
entering cranial cavity by passing through foramen magnum on each side of medull joining it fellow to from .,,,,,,,,,?

Answer 24

Atlas
____________
Basilar

Question 25

Y shaped artery to supply spinal cord and medulla

Answer 25

Anterior spinal arery formed by union of 2 branches of 2 vertebral arteries

Question 26

Mention branhces of Vertebral artery

Answer 26

Anterior spinal artery posteiro spinal artery Post inferior cerebellar artery ________________ Medullary brances indeed!

Question 27

Lateral medulla supplied by? also supplying?

Answer 27

Post inferior cerbellar artery from its name supplying? Post of inferiro surfacce of cerebellum

Question 28

Origin of posterior spinal artery ?

Answer 28

Vertebral artery and may! Posteiror inferior cerebellar artert

Question 29

Running upward in middle of Ventral surface of pons it is ?

Answer 29

Basialr artery

Question 30

Mention Branches of Basilar artery

Answer 30

-Anterior inferior cerebellar artery -Pontine arteries -Superir cerbellar artery -Posterior Cerebral artery -Internal auditoy or Labrinthal artery may from anterior inferior cerebellar artery

Question 31

Describe blood supply of cerebellum

Answer 31

-Superior cerebellar artery from basilar also supplying superor cerebellar peduncle -Anterior Inferiro Cerebellar artey from basillar also supplying middle cerebellar peducle -Posterior inferior Cerebellar artery from Vertebral supplying the Inferior cerebellar peduncle

Question 32

Choroid pleux of 4th ventricle is formed by ?

Answer 32

Posterio inferior cerebellar artery of vertebral

Question 33

Uncus ( smell area) supplied by ?

Answer 33

Middle and Posterior CEREBAL ARTERY

Question 34

Posterior cerebral artery is Terminal branch of ....... turns aroudn ,,,,,,,, to rach ,,,,,surface of brain where it divides into brs running in the ,,,,,,,,, and,,,,,,,sucli

Answer 34

Basiliar Cerebellar peduncle Tentorial _______________ Paireto-occipital Clacrine

Question 35

Mention branche of the Posteiro cerebral artery

Answer 35

Cortical branches : lateral surface: occipital + lower inch area Medial surface: occipital + tempral lobe and splenium inferior surface: all tentroial surface except temporal pole by Middle one __________________________ Central Branches: Medial pirecieng poster perforated substance to anter thalamus and hypothalamus Latral to post thalamus + epi and methalamus ____________________________ posteiro choridal artery : to Choroids of Lateral and third ventricles

Question 36

Contralateal homonyomus hemianopia with sparing Macula if ....occluded ?

Answer 36

PCA /also memory loss of tempral lobe affectedf

Question 37

Why macula is spared in PCA occlusion ?

Answer 37

Due to anastomsis with MCA

Question 38

Circle of willis in interpedunclar fossa surrounding .......and.......and.......... Formed of ?

Answer 38

Optic chiasmas tuber cinerum mamillary body ___________________ ICA- anteriore cerebral -anterior communicating -anterior cerebral -ICA-posterior communicating - posteior cerebral - posterior cerebral-postetrito communicating-ICA!

Question 39

Circle of willis =

Answer 39

Anatsomsis between Carotid and Vestibulo-Basilar systems .

Question 40

Anatomical and clincal imp of cricles of willis /

Answer 40

-Communcation between areteiral supply of 2 hemishpers -Communication between 2 systems -SO Equlaization of pressure -Collateral circlation -Common site for arterail aneyrusm

Question 41

Mention structues passing in lateral sulcus

Answer 41

Superifical and deep middle cerebral veins Middle cerebral arteries

Question 42

Superifical cerebral veins mention

Answer 42

superifical superior cerebral vein draisning into SSS Superfifical inferior cerebral veins draisning into if orbital sss in tentorial Transver ___________________ superifical middle cerebral vein in lateral sulcus into cavernous sinus having 2 anstomis superior anstomtic with Superior sagitta sinus Vein of trolad Inferiro anstomiss with Transceres sinus vein of labbe

Question 43

Basal vein tributaris and draingae?

Answer 43

BASAL VEIN = DAS Deep middle cerebral + Anteror cerebral + Stirate Vein 2 basal veins drains into Grat cerebral vein of Galen

Question 44

dESCRIBE DEEP VENOUS DRAINAGE OF brain

Answer 44

-Thalamostiate vein + choroidal vein = internal cerebral vein -2 intetnal cerebral vein unnion = Great cerebral vein of galen -Great cerebarl vein with Inferior sagital sinus form STRAIGHT SINUS

Question 45

الحمدلله رب العالمين