CNA Certified Nursing Assistant Exam
Find out if you’ll pass.
30 questions across 9 topics. You’ll know exactly where your gaps are — and where your study time should go. No signup required.
Start Readiness Check →What you’ll get
✓Pass or fail prediction scored against the 70% passing line
✓Topic-by-topic breakdown — exactly where you’re strong and where you’re not
✓Every question you missed — with explanations
✓Here’s exactly where your study time should go
How Prepdex works
About the CNA Certified Nursing Assistant Exam
The CNA Certified Nursing Assistant Exam has 70 multiple-choice questions and a 120-minute time limit. You need a score of approximately 70% to pass. These are the NNAAP national standards — your state’s exam may have different question counts, time limits, and passing thresholds.
The exam covers 9 knowledge domains:
Basic Nursing Skills
37%
Communication
10%
Emotional & Mental Health Needs
10%
Client Rights
10%
Legal & Ethical Behavior
10%
Member of the Health Care Team
8%
Activities of Daily Living
7%
Restorative Skills
5%
Spiritual & Cultural Needs
3%