The Forensic Scientist I (Toxicology) Passbook(R) 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: laboratory principles and practices; use, care, and operation of laboratory instruments; fundamental principles of biology, chemistry and physics; toxicology; supervision; and other related areas.