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10 free Neurology questions

A fixed set of exam-style MCQs from Physify's Neurology courses. Answer each one to see the explanation, then check your score. Members get all 599 Neurology questions across 31 courses.

Question 1 of 10

Neurology

A 35-year-old man with relapsing-remitting MS has received natalizumab 300 mg IV every 4 weeks for 30 months without relapse. Before natalizumab he had 12 months of mitoxantrone. Anti-JC virus antibody, negative at baseline, is now positive. What is his approximate risk of progressive multifocal leukoencephalopathy?

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