Candace, age 16, is being seen for a long overdue checkup. her caregiver has come with her. candace is calm, pleasant, and in good spirits. the caregiver reports to the nurse that she is relieved because for the past 6 months candace has been lethargic, angry, and sad. the mother reports that since she got her driver's license two days earlier, her child's mood has changed dramatically. rather than resist this appointment, candace had simply smiled and said, "it won't matter much, but okay, i'll be ready in a minute." the nurse recognizes that the child's seeming well-being and drastic change in behavior should be further investigated to determine if the child:
