PracticeVideosBlogFlashcards
Free Study Guide•Practice questions, flashcards, and related resources

Free Missouri CNA Exam Prep

Missouri Certified Nursing Assistant (CNA)

Prepare for the Missouri CNA exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.

Same family resources

Explore More CNA

Continue into nearby exams from the same family. Each card keeps practice questions, study guides, flashcards, videos, and articles in one place.

State-Specific Content Only

This covers Missouri-specific laws and requirements. Most CNA exams have both national and state portions.

Study National Concepts First

Can You Take the Missouri CNA Exam?

Check if you meet the basic eligibility requirements

Age
16+ years old
Education
High school diploma or equivalent recommended (not required by Missouri law)
Background Check
Required — Missouri law requires background screening for nurse aide training and employment
Fingerprinting
Required — fingerprint-based background check through Missouri State Highway Patrol and FBI
Additional Requirements
  • •Complete a Missouri DHSS-approved 175-hour CNA training program (75 classroom + 100 on-the-job)
  • •Pass the Headmaster knowledge test (75 questions, 60 minutes, 80%+) and skill test (3-4 tasks in 30 minutes; every critical step plus 80% of other steps)

Missouri CNA Quick Facts

Exam Provider

D&SDT-Headmaster (under Missouri DHSS contract)

In-Person Only
Schedule Your Exam

Retake Policy

You have three attempts to pass the knowledge and skill tests. Under the handbook, you may retake the examination twice within 90 calendar days of the initial examination; after a third failure, you must retake the entire basic course. Retakes cost $32 (knowledge) or $103 (skills).

Total Cost Breakdown

Exam Fee$135 ($32 knowledge, any version, + $103 skills; effective January 1, 2026)
Application Fee$0-25 (registry application, varies)
Background Check$40-60 (fingerprint-based check through Missouri State Highway Patrol)
Pre-License Education$600-2,500 (CNA training program, varies by institution; some employers pay)
Total Estimated CostTraining program cost + $135 testing fees + background check
Why Choose Us

Free Missouri CNA Prep Tools

Reported exam pass rate: ~75-85% (estimated, national CNA average; Missouri's 80% passing standard is higher than many states). These figures describe exam candidates, not OpenExamPrep user outcomes. Check the exam sponsor’s website for published statistics.

498+ Practice Questions

Practice by topic with detailed answer explanations

AI Tutor Explains Mistakes

Understand why answers are wrong, not just which ones

Independent Study Resources

Check the exam sponsor for current requirements

$0 Forever

Start without a credit card or trial

Compare:
Kaplan $300+•Achievable $200+•OpenExamPrep $0

What You'll Study

7 chapters covering the exam topics in this guide

Missouri CNA Exam Details

Missouri Certified Nursing Assistant (CNA)

Administered by Headmaster / D&S Diversified Technologies (Missouri DHSS contracted)

Official Source
80% (written exam); 100% critical steps + 80% overall (skills exam)
Passing Score
75
Questions
60
Minutes
$135 testing fees ($32 knowledge + $103 skills), plus training and background check costs
Exam Fee
Prerequisites: Complete a Missouri DHSS-approved 175-hour CNA training program (75 classroom + 100 on-the-job training under Section 198.082 RSMo and 19 CSR 30-84.010)
Valid for: 2 years — renewal requires proof of employment (at least 8 hours of paid work)

Exam Content Breakdown

Based on the official Headmaster / D&S Diversified Technologies (Missouri DHSS contracted) content outline

Aging Process and Restorative Care5 of 75 questions

Normal aging, independence, mobility, range of motion and restorative care

Basic Nursing Skills8 of 75 questions

Vital signs, positioning, transfers, nutrition, hydration and elimination

Care Impaired5 of 75 questions

Adapting care for residents with physical, sensory or cognitive impairments

Communication6 of 75 questions

Verbal, nonverbal and written communication with residents, families and the care team

Data Collection4 of 75 questions

Observing, measuring, recording and reporting resident information

Disease Process6 of 75 questions

Common disease stages, detection, prevention and treatment support

Infection Control8 of 75 questions

Hand hygiene, PPE, standard precautions and infection prevention

Mental Health6 of 75 questions

Dementia, depression, behavior changes and emotionally supportive care

Personal Care8 of 75 questions

Bathing, grooming, dressing, oral and skin care

Resident Rights5 of 75 questions

Privacy, dignity, choice, confidentiality and freedom from abuse or restraint

Role and Responsibility5 of 75 questions

Scope of practice, Missouri DHSS rules, delegation and mandatory abuse/neglect reporting

Safety9 of 75 questions

Fire safety, emergencies, fall prevention, body mechanics and resident safety

What's Included

7 Chapters

Complete exam coverage

Practice Quizzes

With detailed explanations

Free to Start

No credit card required

Ran Chen - AI Engineer, CFP®
CFP®
Why It's Free

Quality Exam Prep Shouldn't Cost Hundreds

I'm Ran Chen, an engineer with 20+ years of coding experience. I passed my Life Insurance license, EA exam, SIE, Series 6, 63, 65, and finally the CFP® exam.

Through all these exams, one thing became clear: exam prep is expensive. But with AI, we can change that. Quality preparation can now be free for everyone.

About Ran Chen

What's Next After the Missouri CNA?

After passing the Missouri CNA, you can pursue these career paths

Missouri CNA Exam FAQ

Official Headmaster / D&S Diversified Technologies (Missouri DHSS contracted) Resources

Verify information with these official sources

More Free Resources

Loading...
No Credit Card Required

Ready to Start Your Free Missouri CNA Prep?

Review the study guide, practice key concepts, and use the free tools at your own pace.