A 12 year old child is brought to his psychiatric for an evaluation of abnormal behavior. His teachers contacted his parents several times because he always cheats and lies at school. He also shoots family dog with his BB gun although he gets in trouble doing that. He has no remorse on hitting other kids and has no concern about others' feelings. Which of the following is the most likely diagnosis? A- Schizophrenia B- Attention-deficit hyperactivity disorder (ADHD) C- Conduct disorder D- Bipolar disorder http://medical-usmle.com/?p=1295
