A Patient Who Believes He Has a Peanut Allergy Presents

A patient who believes he has a peanut allergy presents at the emergency department concerned because he has ingested a small amount of commercially prepared food that may have contained peanut oil. Which nursing question best addresses the patient's risk for injury?

A) "Did you self-administer epinephrine?"
B) "What makes you think you are allergic to peanuts?"
C) "Have you every undergone testing for a peanut allergy?"
D) "Have you ever experienced an allergic reaction to peanuts before?"