Forwarded from Neurology MCQs
110. Border zone (“watershed”) infarcts are usually seen after
A. Traumatic brain injury
B. Hypotensive episodes
C. Migraine attacks
D. Stroke therapy
A. Traumatic brain injury
B. Hypotensive episodes
C. Migraine attacks
D. Stroke therapy
Forwarded from Neurology MCQs
Forwarded from Neurology MCQs
111. Which is a characteristic feature of lacunar infarcts?
A. Large vessel occlusion
B. Involvement of cortical structures
C. Outcome of arteriolar sclerosis
D. All of above
A. Large vessel occlusion
B. Involvement of cortical structures
C. Outcome of arteriolar sclerosis
D. All of above
Forwarded from Neurology MCQs
Forwarded from Neurology MCQs
119. Regarding the fibers of corticobulbar tract, what’s false?
A. Descend down through the genu of the internal capsule to the pons and medulla oblongata
B. One of its functions is the voluntary movement of muscles in the head and neck
C. Cross the opposite side
D. Terminate on the nuclei of the cranial nerves V, VII, IX, XI and XII.
E. None of above
A. Descend down through the genu of the internal capsule to the pons and medulla oblongata
B. One of its functions is the voluntary movement of muscles in the head and neck
C. Cross the opposite side
D. Terminate on the nuclei of the cranial nerves V, VII, IX, XI and XII.
E. None of above
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