Your patient is a 20-year-old male with a peanut allergy who inadvertently ate some candy containing peanuts. He is complaining of a "lump" in his throat, his voice is hoarse with mild inspiratory stridor, and he appears anxious. You are giving oxygen by nonrebreathing mask and have started an IV. Next, you should:

A) place the patient in a supine position and prepare for transtracheal ventilation.
B) administer an induction agent and a paralytic and perform endotracheal intubation.
C) administer 0.4 mg of 1:1000 epinephrine SQ and 50 mg diphenhydramine IV.
D) administer 2.5 mg albuterol by nebulizer.

C