BLS Lesson 3: Basic Life Support for
Adults Questions and Answers | Latest
Version | 2025/2026 | Correct & Verified
What should you do if the AED advises a shock after analyzing the heart rhythm?
✔✔ Ensure no one is touching the victim, then press the shock button as instructed by the AED.
If you are alone and find an unresponsive adult, what should be your first action?
✔✔ Call for help and get an AED if available, then begin CPR.
How should you perform rescue breaths for an adult during CPR?
✔✔ Pinch the nose, cover the mouth with your own, and give 1 breath every 5-6 seconds.
What is the most important thing to remember when performing CPR on an adult?
✔✔ To ensure high-quality chest compressions with minimal interruptions.
How can you tell if the chest compressions are effective during CPR?
✔✔ The chest visibly rises and falls with each compression.
1
,What is the correct action if you are performing CPR and the victim vomits?
✔✔ Turn the victim to their side and clear the mouth, then resume CPR.
How do you assess if the AED pads are placed correctly on an adult victim?
✔✔ Place one pad on the upper right chest and the other on the lower left side, below the armpit.
What is the correct action if you are performing CPR on an adult victim and a second rescuer
arrives?
✔✔ The second rescuer should immediately take over giving breaths while the first rescuer
continues compressions.
What should you do if an adult victim's airway is blocked while performing CPR?
✔✔ Attempt to clear the airway with a head-tilt, chin-lift maneuver, and proceed with CPR.
How can you tell if an adult victim is not breathing during CPR?
✔✔ Look for the absence of chest rise and feel for airflow when checking for breathing.
2
, What is the recommended approach when performing CPR on an adult with an advanced
airway?
✔✔ Provide continuous chest compressions without pauses, giving 1 breath every 6 seconds.
What is the correct use of an AED on an adult victim?
✔✔ Place the pads on the victim’s bare chest, ensure the victim is dry, and follow the AED’s
prompts.
What is the first step in performing CPR on an adult who is unresponsive and not breathing?
✔✔ Check for safety, then assess responsiveness by tapping the person and shouting.
How deep should chest compressions be when performing CPR on an adult?
✔✔ At least 2 inches (5 cm).
What is the correct compression-to-breath ratio for adult CPR when performing one-rescuer
CPR?
✔✔ 30 compressions to 2 breaths.
3
Adults Questions and Answers | Latest
Version | 2025/2026 | Correct & Verified
What should you do if the AED advises a shock after analyzing the heart rhythm?
✔✔ Ensure no one is touching the victim, then press the shock button as instructed by the AED.
If you are alone and find an unresponsive adult, what should be your first action?
✔✔ Call for help and get an AED if available, then begin CPR.
How should you perform rescue breaths for an adult during CPR?
✔✔ Pinch the nose, cover the mouth with your own, and give 1 breath every 5-6 seconds.
What is the most important thing to remember when performing CPR on an adult?
✔✔ To ensure high-quality chest compressions with minimal interruptions.
How can you tell if the chest compressions are effective during CPR?
✔✔ The chest visibly rises and falls with each compression.
1
,What is the correct action if you are performing CPR and the victim vomits?
✔✔ Turn the victim to their side and clear the mouth, then resume CPR.
How do you assess if the AED pads are placed correctly on an adult victim?
✔✔ Place one pad on the upper right chest and the other on the lower left side, below the armpit.
What is the correct action if you are performing CPR on an adult victim and a second rescuer
arrives?
✔✔ The second rescuer should immediately take over giving breaths while the first rescuer
continues compressions.
What should you do if an adult victim's airway is blocked while performing CPR?
✔✔ Attempt to clear the airway with a head-tilt, chin-lift maneuver, and proceed with CPR.
How can you tell if an adult victim is not breathing during CPR?
✔✔ Look for the absence of chest rise and feel for airflow when checking for breathing.
2
, What is the recommended approach when performing CPR on an adult with an advanced
airway?
✔✔ Provide continuous chest compressions without pauses, giving 1 breath every 6 seconds.
What is the correct use of an AED on an adult victim?
✔✔ Place the pads on the victim’s bare chest, ensure the victim is dry, and follow the AED’s
prompts.
What is the first step in performing CPR on an adult who is unresponsive and not breathing?
✔✔ Check for safety, then assess responsiveness by tapping the person and shouting.
How deep should chest compressions be when performing CPR on an adult?
✔✔ At least 2 inches (5 cm).
What is the correct compression-to-breath ratio for adult CPR when performing one-rescuer
CPR?
✔✔ 30 compressions to 2 breaths.
3
