Blood Supply

Front 1

what is the first branch or Internal Carotid ??

Back 1

opthalmic

Front 2

what is the relation of Pcom to CN3 ??

Back 2

it runs above CN3
PCom aneurysm (2nd mc) →CN3 compression

Front 3

what is the relation of Ant choridal artery to optic tract ??

Back 3

it runs below it

Front 4

ACA runs above which CN ??

Back 4

CN2

Front 5

ACA connects to opposite ACA by ??

Back 5

Acom

Front 6

which Artery runs above the optic chiasma ??

Back 6

Acom

Front 7

atheromatosis occur in which part of the ACA ??

Back 7

A2, which curves on top of CC

Front 8

what does the cortical branches of ACA supply ?

Back 8

medial surface of cortex ( leg )
a strip of superolateral surface

Front 9

the central branches of ACA supply ?

Back 9

Basal ganglia and IC anterior limb and CC ant 4/5th

Front 10

which artery supply the medial PFC ??

Back 10

Recurrent artery of Heubner

Front 11

where is the site of Atheromatosis of MCA ?? `

Back 11

Bifurcation site

Front 12

central branches of the MCA ( striate arteries ) supply ??

Back 12

Caudet, lentiform, IC (genu and post limb), thalamus and meyers loop

FEF
Broca and WVR and angular gyrus

Front 13

where is the site of Atheromatosis in Vertebral Artery ??

Back 13

Cranial part (V4)

Front 14

what are the branches of the basilar artery and what do they supply ??

Back 14

1- AICA 1st branch

2- Labyrinthine 2nd (supply inner ear)
2- Pontine branches
4- SCA (supply superior cerebellum, pons and pineal gland)
5- PCA

Front 15

occulusion in the AICA causes ??

Back 15

Lateral pontine syn

Front 16

anurysum in the Labyrithine A or the AICA causes ??

Back 16

CN6 compression

Front 17

occlusion of the SCA will cause ??

Back 17

lateral pontine syndrome ( superior)

Front 18

SCA anurysum will cause ??

Back 18

CN5 compression

Front 19

Occlusion of the PCA will cause ??

Back 19

midbrain syn

Front 20

Anurysm of the SCA or the PCA will cause ??

Back 20

compression of CN3

Front 21

where is the atheromatosis site of the PCA ??

Back 21

the curve backward and laterally around the midbrain

Front 22

the PCA anastamose with the ACA where ??

Back 22

at the posterior 1/5th of CC

Front 23

circle of willis is an anastamoses site for ??

Back 23

ICA and VerB A

Front 24

what are the cushing triad ??

Back 24

Increased ICP
systmatic Hypertension
bradycardia
irregular respiration

Front 25

what does the radio isotope scan measures ?

Back 25

actual blood flow per unit weight of brain per minute

Front 26

which vein unite to make the basal vein ?

Back 26

deep middle cerebelar vein
anterior cerebelar vein
striate vein

Front 27

Posterior spinal artery supply ??

Back 27

post 1/3rd of the spinal cord

Front 28

where is the site which is most prone to ischemia due to post spinal A occulusion ??

Back 28

T1-T3

Front 29

Ant spinal A's supply ?

Back 29

Ant 2/3rds of the spinal cord

Front 30

which segments prone to ischemia due to ASA arteries occulusion ?

Back 30

T4-L1

Front 31

which arteries anastamose with the Longtidudnal Arteries ??

Back 31

Segmental medullary arteries (not the rediculate Arteries )

Front 32

what Artery supply the spinal cord between C8 and T1 ??

Back 32

Great anterior segmental medullary artery (Adamkiewicz)

Front 33

which sections does Great anterior segmental medullary artery (Adamkiewicz) supply of the spinal cord ??

Back 33

C8-T1
T11-S1
lower 2/3rds of SC

Front 34

what is the function of Factor X ??

Back 34

converts prothrombin to thrombin
acts as a fibrinogen and converts to fibrin
activates protein C

Front 35

what is the cofactor of factor X ??

Back 35

factor V

Front 36

what prevents factor V of continuing the process of activating factor X ?

Back 36

protein C

Front 37

Polycythemia vera is a result of ??

Back 37

increase Viscosity

Front 38

what is the manifestations of Cerebral Ischemia ??

Back 38

decreased BP
(1) Postural hypotension;
(2) Shock (Peripheral circulatory failure);
(3) Carotid sinus syndrome;
(4) Cardiac: A-V block; Arrhythmias

Front 39

what are the manifestations of a Stroke ??

Back 39

(1) TIA;
(2) Ischemic brain infarction (m.c.);
(3) Intracerebral hemorrhage (ICH);
(4) Subarachnoid hemorrhage (SAH);
(5) Vascular disease Spinal cord

Front 40

during an urgent care, which method of imaging is most likely to be used ?

Back 40

non contrast CT scan

Front 41

what is the most prominant ICH presentation ??

Back 41

Sudden focal neurological deficit; Headache; Nausea; Vomiting; HTN;

Front 42

which part of the ACA will cause and ACA occulusion syndrome ??

Back 42

A2

Front 43

what are the manifestations of ACA syndrome ??

Back 43

apallethesia : loss of vibrations from leg and foot
urinary incontinuence
personality changes
impulsive behavior
sensory neglect (contralateral)
Ant 4/5th CC syndrome

Front 44

what are the manifestations of CC syn ?

Back 44

right side of things cant be described
Hemialexia: Cant understand written word in left ½ visual field
Agraphia
Ideomotor apraxia: Cant follow simple motor commands spontaneously with left hand
can't name left hand touch items
loss of sensory disc in left

Front 45

what are the manifestations of MCA syn ??

Back 45

contrlat face and UL palsy
congugate eye deviate to lesion side
expressive aphagia
bilateral decreased hearing ( more on the opposite side )
alexia, word salad, receptive aphagia
Dominant IPL syn and non Dominant IPL syn

Front 46

MCA cortcal stroke manifestation (large vessels ??

Back 46

expressive aphagia
right angle of mouth drooped
right UL palsy
both eyes deviate to left

Front 47

capsule stroke (Small vessel) manifestations ??

Back 47

Entire R side Head, UL, LL, Lower face; No aphasia

Front 48

which part of PCA will cause a PCA syndrome ??

Back 48

P2

Front 49

what are the manifestations of PCA syndrome ??

Back 49

Contralat Homonymous hemianopia w/ macular sparing
can't recognize colors
illusion of motion
papalysis of gaze fixation
can't follow smooth moving objects
Alexia without Agraphia

Front 50

what differentiate between watershed infarct and hemorrhage ?/

Back 50

water shed infarcts (trans cortical aphagia) = repetition is OK

Front 51

what is Medial medullary syndrome
??

Back 51

ASA / Vertebral artery medullary branches

Front 52

what is Lateral medullary (*Wallenberg) syndrome
??

Back 52

PICA; Vertebral artery occlusion is m.c.

Front 53

what is Medial pontine syndrom (**lacunar infarct)
??

Back 53

Basilar artery (penetrating paramedian branches)

Front 54

what is Lateral pontine syndrome (LIPS, LSPS)
??

Back 54

AICA (LIPS), SCA (LSPS) + Circumferential br of Basilar

Front 55

what is Medial midbrain (*Weber) syndrome
??

Back 55

PCA (paramedian midbrain branches)

Front 56

what is Paramedian midbrain (Benedikt) syndrome
??

Back 56

PCA (circumferential branches)

Front 57

how is the subclavian steal occur ?/

Back 57

thrombosis in the left subclavian A proximal to origin of Vertebral A

Front 58

what is the pathophysiology of Locked in syndrome ?

Back 58

bilateral loss of CST / CBT

Front 59

where is the site of intracranial aneurysm (infraclinoid/ supraclinoid ) ??

Back 59

infraclinoid: IC/VB aneurysms

Supraclinoid: in Circle of Willis

Front 60

what are the manifestaion of Congenital aneurysm ??

Back 60

pressure on CN2,3,4,V1,V2,6
Sential bleed
SAH

Front 61

what is the main manifestaion of A-V malformation ?

Back 61

Epilepsy

Front 62

what is the method to localize an ICSOL ??

Back 62

cerebelar angiography