<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 15-year-old boy presents with a sore throat and difficulty swallowing. The patient says he has had a sore throat over the last 3 weeks. Two days ago it became acutely more painful. There is no significant past medical history nor current medications. The vital signs include: temperature 38.2C 100.8F, blood pressure 10070 mm Hg, pulse 101min, respiratory rate 26min, and oxygen saturation 99 on room air. Physical examination reveals an inability to fully open his mouth trismus and drooling. The patients voice has a muffled quality. CT of the head is significant for the findings seen in the picture. Which of the following is the best initial course of treatment for this patient? ? A: Inhaled epinephrine, B: Antitoxin, C: Prednisone, D: Incision and drainage, E: Piperacillintazobactam,  <response>: Based on the description of a 15-year-old boy with a sore throat, difficulty swallowing, trismus, drooling, and muffled voice, this appears to be a case of peritonsillar abscess. The CT image shows an abscess in the peritonsillar region. The best initial treatment for a peritonsillar abscess is incision and drainage to relieve the abscess. Antitoxin and inhaled epinephrine would not address the abscess. Prednisone may help with inflammation but does not address drainage of the abscess. Piperacillintazobactam is an antibiotic that may be used after drainage to treat any remaining infection, but drainage is the priority.D: Incision and drainage 