A 65-Year-Old Man Comes to the Physician for Difficulty Falling

A 65-year-old man comes to the physician for difficulty falling asleep.  He experiences discomfort in the lower extremities and a strong urge to move his legs, which occurs just as he is about to fall asleep.  His wife is awakened because of his excessive leg movements.  The patient has no headaches, tremors, weakness, or numbness.  He has hypertension and takes lisinopril and daily low-dose aspirin.  He is a chronic smoker but does not use alcohol or illicit drugs.
Vital signs and neurological examination are unremarkable.
A complete blood count and serum iron studies are normal.
Which of the following is the best initial treatment for this patient's condition?

A) Benztropine
B) Clonazepam
C) Clozapine
D) Ropinirole
E) Valproic acid

Correct Answer:

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