You Have Been Summoned to an Apartment for a 58-Year-Old

Multiple Choice

You have been summoned to an apartment for a 58-year-old female complaining of hives on her chest and abdomen. When asked, she states that she has had several episodes of the hives over the past six months, but allergy testing has not been able to pinpoint a cause. Based on this information, which one of the following would best classify the cause of the reaction?

A) Iatrogenic
B) Anaphylactoid
C) Anaphylactic
D) Idiopathic