Free PreviewSample Neurology questions
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Sample MCQ 1A patient with Wernicke encephalopathy should receive which vitamin urgently, ideally before glucose in a malnourished patient?
A. Thiamine
B. Vitamin K
C. Vitamin D
D. Folate only
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Correct Answer: Option AThiamine replacement is essential in suspected Wernicke encephalopathy, and should precede or accompany glucose in at-risk malnourished patients.
Sample MCQ 2A patient has progressive asymmetric weakness, fasciculations, hyperreflexia and no sensory loss. What is the most likely diagnosis?
A. Amyotrophic lateral sclerosis
B. Multiple sclerosis
C. Guillain-Barré syndrome
D. Myopathy
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Correct Answer: Option ACombined upper and lower motor neuron signs without sensory loss strongly suggest ALS.
Sample MCQ 3A patient with suspected bacterial meningitis has papilledema and focal neurologic deficits. What should be done before lumbar puncture?
A. Brain imaging
B. No imaging is ever needed
C. EEG
D. Carotid Doppler only
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Correct Answer: Option APapilledema and focal deficits raise concern for intracranial mass effect, so imaging is indicated before lumbar puncture.
Sample MCQ 4A patient has vertigo, dysarthria, ipsilateral facial sensory loss and contralateral body sensory loss. Which circulation is most likely involved?
A. Posterior circulation
B. Anterior cerebral artery only
C. Middle cerebral artery only
D. Retinal artery only
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Correct Answer: Option ACrossed brainstem signs with vertigo and dysarthria point to a posterior circulation brainstem event.
Sample MCQ 5A patient has unilateral facial weakness involving both forehead and lower face with no limb deficits. What is the most likely localization?
A. Peripheral facial nerve palsy
B. Contralateral motor cortex lesion
C. Internal capsule stroke always
D. Cervical spinal cord lesion
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Correct Answer: Option AA lower motor neuron facial palsy affects both upper and lower facial muscles on the same side.