Review Question - QID 217105

A 45-year-old man presents to a physician due to difficulty swallowing and slurred speech. For the past 3 months, the patient has been coughing when he drinks liquids. His speech also sounds different according to his wife. The patient has no significant medical history. His temperature is 98.6°F (37.0°C), blood pressure is 110/80 mmHg, pulse is 60/min, and respirations are 12/min. On physical exam, he is unable to fully extend his tongue, and there are fasciculations on his tongue. When tapping the mandible at the chin while the mouth is held open, there is pronounced upward movement of the lower jaw. Sensory exam reveals no deficits. Which of the following therapies is most likely to improve survival for this patient's disease process?