The Admission Test Series prepares students for entrance examinations into college, graduate and professional school as well as candidates for professional certification and licensure. The ARRT Examination In Computed Tomography (CT) 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: patient care; imaging procedures; physics and instrumentation; and more.