question: Q:An otherwise healthy 15-month-old boy is brought to the emergency department by his mother 1 hour after having a single episode of generalized tonic-clonic seizure, which stopped spontaneously after 1 minute. He was sleepy initially but is now awake and alert. His mother reports that he has had a fever and runny nose for the past 3 days. His temperature is 40.1°C (104.2°F). Physical examination shows no abnormalities. Analysis of his cerebrospinal fluid shows 3 cells/mm3, a glucose concentration of 68 mg/dL, and a protein concentration of 35 mg/dL. Administration of a drug that acts through which of the following mechanisms of action is most appropriate in this patient?? 
  {'A': 'Blocking voltage-gated Na+ channels', 'B': 'Increasing duration of Cl− channel opening', 'C': 'Decreasing production of prostaglandin E2', 'D': 'Inhibiting transpeptidase cross-linking', 'E': 'Blocking T-type Ca2+ channels'},