A 65-year-old Caucasian male’s physical exam is remarkable for an emotionless facial expression, stooped posture, a shuffling gait, and a slow, coarse, resting tremor of his right hand. Where is his...

A 65-year-old Caucasian male’s physical exam is remarkable for an emotionless facial expression, stooped posture, a shuffling gait, and a slow, coarse, resting tremor of his right hand. Where is his lesion and what medication can be used to treat his disease?

 A. Substantia nigra, L-dopa

 B. Basal ganglia, supportive treatment

 C. Frontal cortex, supportive treatment

 D. Wernicke area, L-dopa