a 40 year old female patient presents with complaints of dry cough, fever 99.8 orally and sinus pressure. she reports experirncing these symptoms for the past three days. which of the following treatment options is most appropriate. a. prescribe oral corticosteroids to reduce inflammation and allievate sinus pressure b. order a culture of sinus drainage and start appropriate antibiotic once rsults are aviailable c. initiate symptomatic treatment such as saline nasal rinse and antipyretics. d. prescribe a broad spectrum antibiotics such as amoxicillin to treat suspected bacterial sinusitis