question: Q:A 23-year-old man comes to the physician because of a tremor in his right hand for the past 3 months. The tremor has increased in intensity and he is unable to perform his daily activities. When he wakes up in the morning, his pillow is soaked in saliva. During this period, he has been unable to concentrate in his college classes. He has had several falls over the past month. He has no past history of serious illness. He appears healthy. His vital signs are within normal limits. Examination shows a broad-based gait. There is a low frequency tremor that affects the patient's right hand to a greater extent than his left. When the patient holds his arms fully abducted with his elbows flexed, he has a bilateral low frequency arm tremor that increases in amplitude the longer he holds his arms up. Muscle strength is normal in all extremities. Sensation is intact. Deep tendon reflexes are 4+ bilaterally. Dysmetria is present. A photograph of the patient's eye is shown. Mental status examination shows a restricted affect. The rate and rhythm of his speech is normal. Which of the following is the most appropriate pharmacotherapy?? 
  {'A': 'Penicillamine', 'B': 'Propranolol', 'C': 'Deferoxamine', 'D': 'Prednisone', 'E': 'Levodopa\n"'},