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The CNA (Certified Nursing Assistant) certification exam has two parts — a written knowledge test and a hands-on skills evaluation — administered by your state’s testing vendor.[1] These free practice tests target the written exam, the part you can study with questions; pair them with skills rehearsal.[4]

CNA Exam at a Glance

CNA Exam (written) at a glance
DetailCNA Exam (written)
Written questions70 multiple choice (60 scored + 10 unscored pretest)
Written time2 hours (120 minutes)
Skills testSeparate hands-on evaluation (≈ 45 min)
Passing scorePass/fail on a 0–100 scale; cut varies by state (often ~70–80% written)
Administered byNCSBN's NNAAP, delivered by Credentia (Pearson VUE/Prometric in some states)
EligibilityCompletion of a state-approved training program
Guessing penaltyNone — answer every item
RetakesAllowed; limits vary by state

What Is on the CNA Exam?

The CNA written exam covers basic nursing skills, activities of daily living, self care/independence, communication, client rights, legal and ethical behavior, membership on the health care team, emotional and mental health needs, and spiritual and cultural needs.[1]

Basic Nursing Skills (35%) and Activities of Daily Living (22%) carry the most weight, so prioritize them in your studying:

CNA written exam weighting (official 2024 NNAAP content outline)
Basic Nursing Skills35% · 24 Qs
Activities of Daily Living22% · 15 Qs
Client Rights8% · 6 Qs
Emotional and Mental Health Needs8% · 6 Qs
Communication7% · 5 Qs
Self Care/Independence7% · 5 Qs
Member of the Health Care Team6% · 4 Qs
Legal and Ethical Behavior5% · 4 Qs
Spiritual and Cultural Needs2% · 1 Q

Weights follow the official 2024 NNAAP written content outline; item counts shown map the percentages onto the 70-item delivered exam. States using Prometric or their own exam may vary slightly.

What Are the Requirements to Take the CNA Exam?

To take the CNA exam, you must complete a state-approved nurse-aide training program — commonly at least 75 hours of classroom instruction and supervised clinical practice.[3]After training, you register for your state’s written and skills exam through its testing vendor.

What Happens on CNA Test Day?

On CNA test day you take two parts: a written (knowledge) test of 70 multiple-choice questions (60 scored plus 10 unscored pretest items) in 2 hours, plus a hands-on skills evaluation.[1]

The skills test asks you to perform several randomly selected nursing-assistant skills in front of an evaluator — hand hygiene and indirect-care/safety steps are almost always required.[1]

Practicing the written test under timed conditions and rehearsing skills until they’re automatic is the best preparation.

What Is the Passing Score for the CNA Exam?

The passing score for the CNA written exam varies by state — most states require roughly 70–80% — and the skills test is pass/fail against a set checklist.[3] You must pass both parts to be placed on the state nurse-aide registry. Exact cut scores and rules are set by your state.

How Hard Is the CNA Exam? (Pass Rate)

CNA exam pass rates vary by state and program but are generally high for prepared candidates — the written test is approachable if you complete an approved training program and practice. Most failures happen on the skills test, usually from missing a single critical step (like hand hygiene).

70
Written questions
120 minutes
2 parts
Written + skills
must pass both
70–80%
Typical written cutoff
varies by state

The takeaway: drill the written domains until you’re consistently above your state’s cutoff, and rehearse every skill — especially the always-scored safety steps — until they’re second nature.

How to Use CNA Practice Tests

  • Recreate exam conditions. Practice the written test timed, with no notes.[4]
  • Diagnose, then drill. Take a full test to find weak domains, then drill them.
  • Prioritize basic care + ADLs. They’re the largest share of the written test.
  • Don’t neglect skills. Most failures are on skills — rehearse hand hygiene and safety steps every time.
  • Answer everything. No guessing penalty — never leave a question blank.

Why Take the CNA Exam?

Passing the CNA exam places you on your state’s nurse-aide registry and lets you work as a Certified Nursing Assistant — the most common entry point into a healthcare career and a stepping stone toward LPN/RN paths.[3] These free practice exams are how you get there efficiently.

Conclusion

Passing the CNA exam comes down to knowing the written material cold and performing the skills flawlessly. Use these free practice tests to master the written domains, rehearse your skills, and walk in confident on both parts.

CNA Practice Exam FAQ

The NNAAP CNA written exam has 70 multiple-choice questions — 60 scored plus 10 unscored pretest items — with a 2-hour (120-minute) limit, plus a separate hands-on skills test. Counts can vary in the few states that use Prometric or their own exam.

References

  1. 1.National Council of State Boards of Nursing (NCSBN). “2024 National Nurse Aide Assessment Program (NNAAP) Written (Oral) Examination Content Outline.” NCSBN / Credentia, 2024.
  2. 2.Credentia. “The NNAAP Written Examination.” Credentia, 2024.
  3. 3.Credentia. “Nurse Aide Written (or Oral) Examination & Skills Evaluation Candidate Handbook.” Credentia, 2024.
  4. 4.Credentia. “NNAAP Nurse Aide Practice Written Examination Packet.” Credentia, 2021.
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