The director of psychiatric services asks a child/adolescent psychiatric and mental health clinical nurse specialist to define and coordinate the standard of nursing care for psychiatric patients in the emergency department. The clinical nurse specialist is serving in the role of a change:

Correct Answer: A

Rationale: Defining and coordinating care standards (A) positions the specialist as a change agent, implementing improvements. Investigator (B) researches, recipient (C) receives change, and strategist (D) plans broadly.

Correct Answer: A

Rationale: Behavior modification at home (A) empowers young parents to manage tantrums directly. Classes (B), play therapy (C), and school intervention (D) are less immediate or parent-focused.

Correct Answer: C

Rationale: Managing childhood obesity requires addressing diet and physical activity (C) for sustainable health, per pediatric guidelines. Activity alone (A), crash diets (B), and ignoring psychology (D) are ineffective or harmful.

Correct Answer: C

Rationale: Bulimia nervosa (C) involves binge eating and purging (e.g., vomiting, exercise), per DSM-5. Obesity (A) is a condition, anorexia (B) restriction, and autism (D) is unrelated.

Correct Answer: A

Rationale: Thumb sucking (A) is a common nervous habit in children, a self-soothing behavior. Reading (B), sports (C), and singing (D) are not typically linked to nervousness.