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April 10, 2026

CNA Practice Test: What to Expect and How to Prepare

Everything you need to know about the NNAAP written exam format — question types, time limits, scoring, and how to use practice tests to maximize your score.

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The NNAAP Written Exam Format

The NNAAP (Nurse Aide Assessment Program) written exam is administered by Prometric at testing centers across the United States. Here is exactly what to expect: • 70 multiple-choice questions • 90 minutes to complete • 4 answer choices per question (A, B, C, D) • Passing score: 70% (49 out of 70 questions correct) • Questions are scenario-based — you will be given a situation and asked what the nurse aide should do The exam is also available in an oral (audio) format for candidates with reading difficulties. You can request this accommodation when registering.

How Questions Are Written

NNAAP questions are written to test practical knowledge, not memorization. Most questions follow one of these patterns: • "A resident does X. What should the nurse aide do first?" • "Which of the following is correct technique for Y?" • "A nurse aide observes Z. Who should they report to?" • "Which action best protects the resident's right to W?" The key word in many questions is "first." When you see "what should the nurse aide do first," the answer is usually about safety — ensuring the resident is safe — before doing anything else. The second most common pattern is asking what to report and to whom. Wrong answer choices are designed to be plausible. They often describe things that are partially correct or that a nurse (not a CNA) would do. If an answer involves doing something outside the CNA scope of practice — administering medication, making medical decisions, performing clinical procedures — eliminate it.

How to Use Practice Tests

Practice tests are the most effective preparation tool available. Here is how to use them correctly: 1. Start with a diagnostic test. Before you study anything, take a full 70-question practice test. Do not look anything up. This baseline shows you exactly where you are starting from and which topics need the most attention. 2. Review every explanation. After each test, read the explanation for every question — including the ones you got right. Understanding why the correct answer is correct (not just which letter it is) is the difference between passing and failing. 3. Simulate real conditions. Take at least one full 70-question practice test with a 90-minute timer running. This builds pacing and reduces test anxiety. 4. Do not memorize questions. The real exam uses different wording. If you find yourself remembering answer choices rather than understanding the concept, stop and re-read the explanation. 5. Target 80% before test day. The passing threshold is 70%, but aim for 80% on practice tests to give yourself a comfortable buffer for the real exam.

Topic Distribution on the Exam

Based on the official NNAAP exam content outline, here is how the 70 questions are distributed: • Physical Care Skills: ~31 questions (45%) • Safety & Emergency Procedures: ~10 questions (14%) • Infection Control: ~10 questions (14%) • Resident Rights: ~8 questions (11%) • Psychosocial Care Skills: ~6 questions (8%) • Role of the Nurse Aide: ~5 questions (8%) This distribution means that if you master Physical Care Skills, you can answer nearly half the exam confidently. But do not neglect the smaller sections — 8 questions on Resident Rights can make the difference between passing and failing if you leave that topic unstudied.

Test Day Tips

• Arrive early. Testing centers require you to present a valid photo ID and your authorization to test. Late arrivals may be turned away. • Read every question completely. Do not skip ahead after reading the first sentence. NNAAP questions often contain key information mid-sentence. • Eliminate wrong answers first. Even if you are unsure, you can usually eliminate 1–2 answer choices immediately. This improves your odds significantly. • Do not change your first answer unless you have a specific reason. Research consistently shows that first instincts are correct more often than second-guessing. • Flag and return. If you are stuck on a question, flag it and move on. Return to flagged questions after completing the rest of the exam. • Trust your training. If you have completed a state-approved CNA training program and studied consistently, you are prepared. The exam tests skills you have practiced — trust what you know.

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