A Client in the Emergency Department Experienced a Severe Allergic

A client in the emergency department experienced a severe allergic response to penicillin. The client tells the nurse this is the first time she has ever taken this particular drug. Which questions can the nurse ask to determine the reason for the allergic response?

A) "Have you ever been exposed to mold?"
B) "Do you eat animal products that have been exposed to antibiotics?"
C) "Have you ever had another allergic reaction to a group of antibiotics called cephalosporins?"
D) "Do you have any seasonal allergies?"
E) "Do you have any diseases or are you taking any medications that suppress the immune system?"