CNA Practice MCQs With Answers and Explanations
Prepare for your Certified Nursing Assistant (CNA) exam with these important CNA practice multiple-choice questions and answers. These questions help nursing assistant students improve knowledge, understand patient care, infection control, vital signs, communication, and safety procedures.
These CNA MCQs are useful for:
- CNA exam preparation
- NNAAP practice tests
- Nursing assistant revision
- Patient care fundamentals
- Healthcare assistant training
1. Hand Hygiene
Question:
When should a CNA wash hands?
A. Only before meals
B. Only after patient care
C. Before and after patient care
D. Once daily
Correct Answer:
✅ C. Before and after patient care
Explanation:
Handwashing prevents infection spread between healthcare workers and patients.
2. Vital Signs
Question:
What is the normal adult respiratory rate?
A. 4–8 breaths/min
B. 12–20 breaths/min
C. 30–40 breaths/min
D. 50–60 breaths/min
Correct Answer:
✅ B. 12–20 breaths/min
Explanation:
A healthy adult normally breathes 12–20 times per minute.
3. Patient Safety
Question:
What should the CNA do before transferring a patient?
A. Remove safety devices
B. Lock wheelchair wheels
C. Increase room clutter
D. Turn off lights
Correct Answer:
✅ B. Lock wheelchair wheels
Explanation:
Locking wheels prevents falls and injuries during transfers.
4. Infection Control
Question:
Which PPE protects the hands?
A. Mask
B. Gloves
C. Goggles
D. Gown
Correct Answer:
✅ B. Gloves
Explanation:
Gloves reduce contact with blood and body fluids.
5. Communication
Question:
How should a CNA communicate with patients?
A. Use disrespectful language
B. Ignore patient concerns
C. Speak clearly and respectfully
D. Rush conversations
Correct Answer:
✅ C. Speak clearly and respectfully
Explanation:
Good communication improves patient trust and comfort.
6. Pressure Ulcer Prevention
Question:
How often should bedridden patients be repositioned?
A. Every 12 hours
B. Every 8 hours
C. Every 2 hours
D. Once daily
Correct Answer:
✅ C. Every 2 hours
Explanation:
Regular repositioning prevents pressure sores and improves circulation.
7. Oxygen Saturation
Question:
What does oxygen saturation measure?
A. Blood sugar level
B. Oxygen in blood
C. Heart size
D. Bone density
Correct Answer:
✅ B. Oxygen in blood
Explanation:
SpO₂ measures how much oxygen is carried in the bloodstream.
8. Emergency Care
Question:
If a patient falls, the CNA should FIRST:
A. Lift patient immediately
B. Leave the patient alone
C. Check for injury and call nurse
D. Give medication
Correct Answer:
✅ C. Check for injury and call nurse
Explanation:
Safety assessment must happen before moving the patient.
9. Bed Making
Question:
Why should bed linens be wrinkle-free?
A. For decoration
B. To prevent skin irritation
C. To increase heat
D. To make work harder
Correct Answer:
✅ B. To prevent skin irritation
Explanation:
Wrinkled linens can cause discomfort and pressure injuries.
10. Documentation
Question:
Why is documentation important?
A. To waste time
B. To avoid communication
C. To maintain accurate records
D. To replace nursing care
Correct Answer:
✅ C. To maintain accurate records
Explanation:
Documentation helps healthcare teams monitor patient progress.
11. Nutrition
Question:
Which food is important for wound healing?
A. Protein-rich foods
B. Candy
C. Soft drinks
D. Fried snacks
Correct Answer:
✅ A. Protein-rich foods
Explanation:
Protein helps repair tissues and supports healing.
12. Isolation Precautions
Question:
What is the purpose of isolation precautions?
A. Increase infection spread
B. Protect patients and staff
C. Delay treatment
D. Reduce communication
Correct Answer:
✅ B. Protect patients and staff
Explanation:
Isolation reduces transmission of infectious diseases.
13. Mobility Assistance
Question:
What should a CNA use to prevent back injury while lifting?
A. Poor posture
B. Proper body mechanics
C. Twisting movements
D. One-handed lifting
Correct Answer:
✅ B. Proper body mechanics
Explanation:
Correct lifting techniques protect both CNA and patient.
14. Blood Pressure
Question:
Which equipment measures blood pressure?
A. Thermometer
B. Stethoscope and cuff
C. Pulse oximeter
D. Glucometer
Correct Answer:
✅ B. Stethoscope and cuff
Explanation:
Blood pressure is checked using a sphygmomanometer and stethoscope.
15. Patient Rights
Question:
A CNA should always respect:
A. Patient dignity and privacy
B. Gossip and rumors
C. Unsafe actions
D. False documentation
Correct Answer:
✅ A. Patient dignity and privacy
Explanation:
Respect and confidentiality are important parts of patient care.
USA CNA (CERTIFIED NURSING ASSISTANT) NNAAP EXAM PRACTICE BOOK
FREE CNA PRACTICE TEST PREPARATION TIPS
Study Daily
Practice a few CNA MCQs every day.
Focus on Weak Areas
Improve infection control and patient safety knowledge.
Practice Vital Signs
Learn normal ranges for temperature, pulse, and respiration.
Review CNA Procedures
Understand patient transfer and personal care skills.
Take Mock Tests
Full-length practice tests improve confidence.
IMPORTANT CNA EXAM TOPICS
- Infection Control
- Patient Safety
- Vital Signs
- Personal Care
- Mobility Assistance
- Nutrition
- Communication
- Documentation
- Emergency Care
- Patient Rights
Best CNA Online Study Material Book PDF for CNA Exam Preparation 2026
