A 39-year-old woman comes to the physician for a 1-week history of nosebleeding. She has no past medical history. Laboratory studies show:
Hemoglobin 11 g/dL
Leukocytes 5,000/μL
Platelets 40,000/μL
Prothrombin time 12 seconds
Partial thromboplastin time 27 seconds
Bleeding time 9 minutes
Which of the following is the next best step in management?
A) Cryoprecipitate
B) Fresh frozen plasma
C) Desmopressin therapy
D) Oral iron therapy
E) Prednisone therapy
