Mock exams play a crucial role in NCLEX-RN preparation by simulating the actual exam environment, helping candidates become familiar with the question formats, timing, and adaptive nature of the test. They allow students to identify strengths and weaknesses, practice time management, and build confidence under test-like conditions. To maximize exam readiness, candidates should integrate mock exams regularly throughout their study plan—starting with one every two to three weeks during early preparation, and increasing to weekly or bi-weekly sessions as the exam date approaches. After each mock test, reviewing rationales for correct and incorrect answers is essential to reinforce learning and address knowledge gaps effectively.