A Male Elementary School Student Has a Severe Allergy to Peanuts

A male elementary school student has a severe allergy to peanuts and is displaying the signs of anaphylactic shock after inadvertently eating a peanut-containing candy bar. Which of the following statements best captures the boy's current status and preferred treatment?

A) He is experiencing shortness of breath caused by potent vasoconstriction that can be relieved by epinephrine injection.
B) He is approaching vascular shock and developing edema due to actions of IgE antibodies, situations that can be reversed by administration of epinephrine.
C) His mast cells and basophils have been sensitized, but systemic effects can be mitigated by administration of bronchodilators.
D) He is likely in a primary- or initial-stage allergic response that can be relieved by antihistamine administration.