The Mental Hygiene Therapy Assistant Passbook® prepares you for your test by allowing you to take practice exams in the subjects you need to study. It provides hundreds of questions and answers in the areas that will likely be covered on your upcoming exam, including but not limited to; Preparation of written material; Principles and practices of the treatment of the mentally ill/emotionally disturbed.; Problems of the mentally ill/emotionally disturbed; Supervision; and more.