Which of the following treatment regimens for anaphylaxis lists the medications in the correct order of administration following oxygen?

A) Dexamethasone, diphenhydramine, epinephrine
B) Epinephrine, diphenhydramine, dexamethasone
C) Epinephrine, dexamethasone, diphenhydramine
D) Diphenhydramine, epinephrine, dexamethasone

B