Q1. Parents bring a 24-year-old single man for showing violent and abusive behavior, self-muttering, inappropriate social behavior breaking into laughter one minute, and then crying incessantly for no obvious reason. They often see him gazing meaninglessly at objects and standing on one leg for an entire day. He has been ill for over three years continuously. They have treated him with haloperidol, olanzapine, and risperidone with no response to treatment. He has rapidly gained weight in the last few months and now weighs 110 kg. His height is 170 cm. What could be the most likely diagnosis? What could be the reasons for the poor response to treatment? What is the likely pathophysiological basis of his rapid gain in weight What will be the individual's BMI? What lab tests would you request in this case? In the light of current evidence, suggest therapeutic options that you may consider. 2 Read the following three clinical scenarios careful carefully and respond...