Forwarded from Neurology MCQs
Forwarded from Neurology MCQs
122. Regarding cerebral vascular occlusion, all the following are true except
A. Embolic infarctions are more common causes than thrombosis
B. Thrombolytic therapies are contraindicated with the type of infarction which occurs secondary to reperfusion of ischemic tissue
C. Atheromatous plaques within the carotid arteries are the most frequent source of emboli
D. After the first 12 hours of a non-hemorrhagic infarct, ischemic neuronal change (red neurons) and both cytotoxic and vasogenic edema predominate
A. Embolic infarctions are more common causes than thrombosis
B. Thrombolytic therapies are contraindicated with the type of infarction which occurs secondary to reperfusion of ischemic tissue
C. Atheromatous plaques within the carotid arteries are the most frequent source of emboli
D. After the first 12 hours of a non-hemorrhagic infarct, ischemic neuronal change (red neurons) and both cytotoxic and vasogenic edema predominate
Forwarded from Neurology MCQs
Forwarded from Neurology MCQs
123. Regarding berry aneurysms, all the following are true except
A. Blood under arterial pressure is forced into the subarachnoid space, and individuals suffer a sudden, severe headache and rapidly lose consciousness.
B. Up to 50% of individuals die with the first rupture.
C. They are not present at birth but develop over time because of underlying defects in the vessel media.
D. About 90% of saccular aneurysms occur in the posterior circulation near major arterial branch points.
E. Healing of subarachnoid hemorrhage may be associated with meningeal fibrosis and scarring which can lead to hydrocephalus.
A. Blood under arterial pressure is forced into the subarachnoid space, and individuals suffer a sudden, severe headache and rapidly lose consciousness.
B. Up to 50% of individuals die with the first rupture.
C. They are not present at birth but develop over time because of underlying defects in the vessel media.
D. About 90% of saccular aneurysms occur in the posterior circulation near major arterial branch points.
E. Healing of subarachnoid hemorrhage may be associated with meningeal fibrosis and scarring which can lead to hydrocephalus.
Forwarded from Neurology MCQs
Forwarded from Neurology MCQs
124. Which drug is used primarily to treat intermittent claudication?
A. Alteplase
B. Dalteparin
C. Cilostazol
D. Ticlopidine
E. Eptifibitide
A. Alteplase
B. Dalteparin
C. Cilostazol
D. Ticlopidine
E. Eptifibitide
Forwarded from Neurology MCQs
Forwarded from Neurology MCQs
125. Concerning the interactions of warfarin, which statement is incorrect?
A. Broad spectrum antibiotics potentiate its effect
B. Aspirin and sulfonamide displace it from plasma protein binding site
C. Cholestyramine decreases its absorption
D. Cimetidine and erythromycin may reduce its effect
A. Broad spectrum antibiotics potentiate its effect
B. Aspirin and sulfonamide displace it from plasma protein binding site
C. Cholestyramine decreases its absorption
D. Cimetidine and erythromycin may reduce its effect
Forwarded from Neurology MCQs
Forwarded from Neurology MCQs
126. Charcot's artery supplies which part of the internal capsule?
A. Anterior limb
B. Genu
C. Posterior limb, upper part
D. Posterior limb, lower part
A. Anterior limb
B. Genu
C. Posterior limb, upper part
D. Posterior limb, lower part
Forwarded from Neurology MCQs
Forwarded from Blinded by Davidson ✨
Contralateral spastic paresis (and impaired sensation) of the face and upper extremities .
Anonymous Quiz
14%
ACA occlusion
82%
MCA occlusion
2%
Basilar artery occlusion
1%
PCA occlusion
Forwarded from Blinded by Davidson ✨
Contralateral spastic paresis (and impaired sensation) of lower extremities .
Anonymous Quiz
3%
PCA occlusion
6%
MCA occlusion
92%
ACA occlusion
0%
Basilar artery occlusion
Forwarded from Blinded by Davidson ✨
Patient cannot initiate the movement the patient wishes to make. Patient exhibit motor apraxia (defect in motor performance without paralysis) because the selection of a particular movement is impaired .
Anonymous Quiz
20%
Primary motor cortex damage
67%
Premotor cortex damage
7%
Supplementary area damage
5%
Motor association area damage
Forwarded from Blinded by Davidson ✨
Patient cannot tie shoe laces because of impaired selection of a particular movement sequence .
Anonymous Quiz
1%
PMC damage
9%
Premotor cortex damage
81%
Supplementary area damage
9%
Motor association area damage
Forwarded from Blinded by Davidson ✨
A lesion in this area abolishes creativity and planning for the future .
Anonymous Quiz
63%
Motor association area damage
6%
PMC damage
18%
Premotor cortex dysfunction
13%
Supplementary area damage
Forwarded from Blinded by Davidson ✨
Damage to it dose not prevent a person from vocalizing, but it dose make it impossible for the person to speak whole words rather than uncoordinated or an occasional simple words such as "no" or "yes" .
Anonymous Quiz
1%
PMC damage
1%
Premotor cortex damage
82%
Broca's area damage
12%
Wernicke's area damage
4%
Supplementary area damage
Forwarded from Blinded by Davidson ✨
Prevent the person from moving the eyes at different objects. Damage to this area (by stroke, infection or trauma) will cause tonic deviation of the eyes towards side of injury .
Anonymous Quiz
2%
Area 7 damage
3%
Area 5 damage
92%
Area 8 damage
3%
Area 11 damage
0%
Area 2 damage
Forwarded from 😔
The process of repairing scars in the brain called
Anonymous Quiz
86%
Gliosis
9%
Regeneration
6%
Rosenthal
Forwarded from Doctor Batman 🦇✨
Regarding blood supply of the brain, all of the following are true EXCEPT :
Anonymous Quiz
2%
Right side of the brain is supplied by arteries of the right side
2%
Left side of the brain is supplied by arteries of the left side
73%
ICA supplies all brain lobes equally
10%
Vertebral arteries give arteries that supply brain stem, cerebellum and occipital lobe
14%
Central arteries enter the brain through ant. & post. perforated substances .
Forwarded from Blinded by Davidson ✨
Regarding the occipital lobe blood supply which is correct ?
Anonymous Quiz
5%
It receives blood supply through an anastomoses between MCA and ACA in the occipital pole
49%
It receives blood supply through anastomoses between MCA and PCA in the occipital pole
3%
Damage to PCA will lead to contralateral leg weakness
43%
It's only supplied by PCA
❤2