Updated 2025

BLS Practice Test (Questions and Answers)

Test your BLS knowledge with our free 2025 practice test. Each question follows the latest AHA guidelines to help you strengthen your skills in CPR, AED use, and airway management. Take the test as often as you like, track your progress, and build the confidence you need to pass your BLS certification exam.

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1. What is the recommended compression-to-ventilation ratio for adult CPR?

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2. How often should rescuers switch roles during two-rescuer CPR to prevent fatigue?

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3. Where should you check for a pulse in an unresponsive adult victim?

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4. What is the first step in operating an AED?

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5. Which of the following is a sign of severe airway obstruction?

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6. For infant CPR, what is the recommended depth of chest compressions?

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7. In two-rescuer CPR for a child, what is the correct compression-to-ventilation ratio?

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8. What is the recommended rate for chest compressions during CPR?

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9. How does complete chest recoil contribute to effective CPR?

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10. When should the rescuer operating the AED clear the victim?

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11. What is the appropriate action if a choking victim becomes unresponsive?

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12. Which technique is recommended for opening the airway of an unresponsive victim without suspected spinal injury?

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13. What is the compression-to-ventilation ratio for single-rescuer CPR in all age groups?

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14. How can you minimize the risk of gastric inflation during bag-mask ventilation?

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15. What is the recommended action if you witness a child collapse and they are unresponsive?

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16. Which of the following actions can improve survival in cardiac arrest?

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17. What is the best way to deliver effective rescue breaths using a bag-mask device?

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18. What should you do if a victim with a foreign body airway obstruction is coughing forcefully?

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19. How long should a pulse check take in an unresponsive victim?

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20. Which of the following statements about high-quality chest compressions is true?

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21. Which of the following sequences is correct when the patient is unresponsive and has no pulse in BLS?

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22. How deep should you compress the chest during adult CPR?

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23. How do I check for a response in an infant?

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24. When performing high-quality CPR on an adult, what should you allow after each compression?

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25. What is the first step when you arrive at the scene of a potential cardiac arrest?

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26. What is the correct method to assess circulation in an unresponsive infant?

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27. What’s the correct hand placement for chest compressions in a child?

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28. What is the recommended rate of rescue breaths for a child?

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29. When should an unconscious patient be placed in the recovery position?

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30. What is Hypoxia?

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RESULT

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Your Score: 2/30

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FAQs About BLS Pretest

Why Should You Take a BLS Practice Test Before the Real Exam?

Taking a BLS practice test before the real exam helps you prepare more effectively. It familiarizes you with the question format and key topics, such as performing CPR, using an AED, and assisting someone who isn’t breathing. By practicing in advance, you reinforce essential life-saving skills, build confidence, and reduce test-day anxiety-ensuring you’re ready to pass the BLS certification exam on your first attempt.

What Are the Key Benefits of Regularly Practicing BLS Test Questions?

Regularly practicing BLS test questions strengthens your understanding of life-saving procedures and helps you retain the correct steps during real emergencies. Each practice session reinforces your memory, highlights areas that need improvement, and ensures your knowledge stays current with the latest American Heart Association (AHA) guidelines. Consistent practice not only boosts your confidence but also sharpens your decision-making skills, so when seconds matter, you can respond quickly, accurately, and effectively.

How Can a BLS Practice Test Help You Save Lives More Effectively?

Taking regular BLS practice tests trains you to apply the concepts from the BLS Study Guide and follow the BLS Algorithms accurately in real emergencies. By practicing the step-by-step process for CPR, AED operation, and managing breathing or cardiac emergencies, you build the muscle memory needed to act fast and with confidence. Each repetition reinforces the correct life-saving actions outlined in the algorithms, helping you make quick, informed decisions and ultimately, save more lives.

Basic Life Support: Essential Guide

Core Concept of Basic Life Support (BLS): Learn how to recognize cardiac arrest, perform effective CPR, manage the airway, use an AED, and respond to life-threatening emergencies in adults, children, and infants. This foundation helps you act confidently and save lives during critical moments.

Basic Life Support (BLS) Algorithm: Learn how to assess responsiveness, activate emergency response systems, begin high-quality CPR, and deliver early defibrillation. This guide also covers adaptations for special situations such as trauma, pregnancy, and drowning, ensuring you’re prepared for any emergency.

Pediatric BLS Algorithm: Learn how to check responsiveness, open and maintain the airway, provide age-appropriate CPR, and operate an AED safely for younger patients (infants and children). Mastering this sequence helps you act quickly and effectively when every second counts.

Choking First Aid: Respond immediately when someone is choking. Encourage the person to cough, perform back blows or abdominal thrusts if necessary, and call for emergency help if the obstruction doesn’t clear. These essential steps can prevent severe injury or death by restoring normal breathing before advanced help arrives.