Last updated on: May 12th, 2022

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You’re looking at a multiple-choice question from QBank Prepper (the newest of four distinct learning formats available in Clinical Odyssey). Try it out, and have fun improving your clinical skills.

Movement disorders 3

A 60-year-old man is brought to the clinic by his wife. She complains of tremors of his right hand and slowness of movements. The symptoms began 6 months ago and have been increasing. He has no history of serious illness nor head trauma. He takes no medications. Neurological examination shows a bilateral resting tremor more noticeable in his right hand, hypomimia, cogwheel rigidity, bradykinesia, and a festinating gait.

Which of the following is the most likely cause of his symptoms?

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