You are a new emt in a very busy urban ems system. before joining this agency, you worked as a volunteer in a rural ems system, where you did not experience many ems calls. you are working with a seasoned emt when you are requested to respond to a residential home for an unresponsive 13-year-old male patient. upon your arrival, the family escorts you into the garage, where the boy is being cradled by his crying mother. the boy is unresponsive. as you draw nearer to the boy, your partner says to you, "hey, you smell that moth ball smell? i know what might be going on." given your partner's statement, how might the odor be related to the patient's condition?