A nurse is reinforcing teaching with an adolescent who has ADHD and a new prescription for methylphenidate. Which of the following actions by the adolescent should the nurse identify as a potential barrier is communication?

The adolescent interrupts the nurse to ask question

The adolescent occasionally turns away from the nurse and stares at the wall

The adolescent taps on the arm of the chair throughout the conversation

The adolescent rocks in their chair while speaking with the nurse.