Healthcare

Certified Nursing Assistant (CNA)

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Certified Nursing Assistant (CNA)

CNA written competency exam — basic patient care

20-question mock30 min82% pass markUnited States

Single questions with instant feedback — no timer, learn as you go.

See official guidance ↓
Start here · Official guidance

From practice to the real exam

01
Complete a state-approved CNA program
Typically 75–120 hours of training, including supervised clinical hours.
02
Apply to take the exam
Each state has a designated CNA exam vendor (Pearson VUE, Prometric, or Credentia).
03
Schedule and pay the fee
USD ~100–150 covering written + skills evaluation, depending on state.
04
Sit the written + skills test
Written exam: ~60 multiple-choice questions. Skills test: 5 randomly selected hands-on skills.
05
Get listed on the registry
Upon passing, you are added to your state's nurse aide registry.
Official resources
Heads up: Links open in a new tab and go to government / awarding-body sites. AceMark is not affiliated — always verify deadlines and fees on the official page.
Exam blueprint

What this exam covers

5 topics · drawn across your practice and mock
01Basic nursing skills
30%6 questions
02Resident rights
25%5 questions
03Infection control
20%4 questions
04Personal care
15%3 questions
05Mental health
10%2 questions
Your study path
Master this exam, topic by topic
Drill one topic at a time. After each session you'll see where you went wrong and can retake until you've got it.
Questions per session
View full mastery board →
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Frequently asked questions

Is the Certified Nursing Assistant (CNA) practice test free?

Yes. The core Certified Nursing Assistant (CNA) practice on AceMark is free to start — no credit card needed. Sign in (takes 10 seconds) if you'd like to track your progress, save attempts, and unlock the Mentor. Otherwise, browse and explore questions without an account.

How many questions are in the Certified Nursing Assistant (CNA) quiz?

Each Certified Nursing Assistant (CNA) attempt draws 20 questions and runs for about 90 minutes under realistic timed conditions.

Can I retake the Certified Nursing Assistant (CNA) test, and are the questions randomised?

Yes. Every attempt pulls a fresh, randomised set of questions, so you can't memorise your way through — you retake it until you genuinely know the material.

What score do I need to pass the Certified Nursing Assistant (CNA)?

The pass mark used in this simulation is 82%. AceMark scores every attempt instantly and shows which topics to review.