Neurodegenerative Diseases USMLE Step 1 Practice Question
A 63 year old man with a 50 pack year smoking history presents with progressive difficulty rising from a chair. He reports dry mouth and erectile dysfunction. Examination shows proximal leg weakness and diminished reflexes that improve after repeated muscle contraction. Chest imaging reveals a hilar mass. Which of the following antibodies is most likely present?
Answer choices
- AAnti voltage gated potassium channel antibodies
- BAnti acetylcholine receptor antibodies
- CAnti aquaporin 4 antibodies
- DAnti topoisomerase I antibodies
- EAnti P Q type voltage gated calcium channel antibodiesCorrect answer
- FAnti N type voltage gated calcium channel antibodies
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