Take the NAPLEX. The NAPLEX is a six-hour exam composed of 225 questions that are delivered in a computerized, fixed form. The exam results will be reported as pass or fail, and candidates are allowed five attempts to pass the exam. The following resources may assist you when preparing for the NAPLEX:. The MPJE is a two-and-a-half-hour, computer-adaptive examination that consists of 120 multiple-choice test questions and tests a candidate's mastery of pharmacy law as outlined in the MPJE competency statements. Currently, 48 jurisdictions utilize the MPJE as part of their licensure requirements.