An 8 year old student complains of lack of interest in studies for the last 6 months. He has frequent quarrels with his parents and has frequent headaches. The most appropriate clinical approach would be :: (A) Leave his as normal adolescent problem, (B) Rule out depression, (C) Rule out migraine, (D) Rule out an oppositional defiant disorder
Answer is B. Frequent quarrels with parents (quick temper / easily angered) can be seen both in :


Depression in children.
Oppositional defiant disorder.


However, Physical symptoms (e.g., headache) and lack of interest occur in depression in children (not in oppositional defiant disorder).