Radiation exposure is an unusual occurrence in the ED, and because of this emergency physicians are unfamiliar with management. Below are some quick questions to help you review.

1. Security informs you that the radiation detectors at the ambulance entrance have alarmed after the last patient came through. You should:

A. Immediately flee

B. Don a lead apron

C. Take potassium iodide

D. Ask the patient if they have recently had any medical therapy or imaging studies in the last few days