A 30 year old male with no past medical history presents to the ED for epistaxis. You notice actice bleeding from right nare but cannot determine the exact source. Direct pressure was attempted for 20 minutes followed by application of a topical vasoconstrictor bleeding persists. What is the next best step in management of this patient's epistaxis? 

A. Irrigation

B. Posterior Packing

C. Anterior Packing

D. Cautery with silver nitrate 

Answer: C - Anterior Packing

Please refer to this post here.