The document discusses the roles and responsibilities of various professionals that constitute a multidisciplinary mental health care team. The core mental health disciplines include psychiatry, psychiatric nursing, clinical psychology, and psychiatric social work. Effective teamwork requires coordinated input from each member to holistically assess, diagnose, treat and rehabilitate patients. The psychiatrist leads the team and is responsible for diagnosis and treatment, while other professionals like nurses, psychologists and social workers provide additional therapeutic, evaluative and rehabilitative services. Together the multidisciplinary team aims to provide optimal care to patients and support their recovery.