American Red Cross BLS Questions and
Answers Latest Version | 2025/2026 |
Correct & Verified
How do you perform a pulse check on a child?
✔✔ Feel for the carotid or femoral pulse.
What should you do if a drowning victim is unresponsive?
✔✔ Start CPR immediately with rescue breaths before compressions.
How can you improve ventilation effectiveness in a person with a weak chest rise?
✔✔ Ensure a good seal on the mask and open the airway fully.
What is the correct hand placement for abdominal thrusts in a choking adult?
✔✔ Above the navel but below the sternum.
What should you do if a choking infant is coughing forcefully?
✔✔ Encourage them to keep coughing and monitor closely.
1
,What is the purpose of a bag-mask device in CPR?
✔✔ To provide higher-quality ventilations than mouth-to-mouth.
How do you ensure high-quality CPR?
✔✔ Provide deep, fast compressions with minimal interruptions.
What is the main goal of BLS?
✔✔ To maintain circulation and oxygenation until advanced care arrives.
What should you do if an AED advises "No Shock Advised"?
✔✔ Resume CPR immediately.
What is the correct ratio of compressions to breaths for a lone rescuer of an infant?
✔✔ 30 compressions to 2 breaths.
How can rescuers avoid fatigue during prolonged CPR?
✔✔ Switch roles every two minutes.
2
,Why should chest compressions be performed at a steady rhythm?
✔✔ To maintain continuous blood flow to vital organs.
What is the best way to ensure that AED pads adhere properly?
✔✔ Dry the chest before placing the pads.
What is the priority when multiple rescuers are available?
✔✔ Assign roles to ensure high-quality CPR with minimal delays.
What is the most important step before delivering a rescue breath?
✔✔ Open the airway with the head-tilt, chin-lift maneuver.
What is the first step when approaching an unresponsive person?
✔✔ Check for scene safety and responsiveness.
How long should you check for a pulse and breathing in an unresponsive person?
✔✔ No more than 10 seconds.
3
, What is the recommended compression depth for adult CPR?
✔✔ At least 2 inches (5 cm).
What is the recommended compression depth for infant CPR?
✔✔ About 1.5 inches (4 cm).
What is the compression-to-ventilation ratio for single-rescuer adult CPR?
✔✔ 30 compressions to 2 breaths.
What is the recommended hand placement for adult chest compressions?
✔✔ Two hands on the center of the chest, on the lower half of the sternum.
What should you do if the chest does not rise with a rescue breath?
✔✔ Reopen the airway and try again.
When should an AED be used on an unresponsive person with no pulse?
✔✔ As soon as it is available.
4
Answers Latest Version | 2025/2026 |
Correct & Verified
How do you perform a pulse check on a child?
✔✔ Feel for the carotid or femoral pulse.
What should you do if a drowning victim is unresponsive?
✔✔ Start CPR immediately with rescue breaths before compressions.
How can you improve ventilation effectiveness in a person with a weak chest rise?
✔✔ Ensure a good seal on the mask and open the airway fully.
What is the correct hand placement for abdominal thrusts in a choking adult?
✔✔ Above the navel but below the sternum.
What should you do if a choking infant is coughing forcefully?
✔✔ Encourage them to keep coughing and monitor closely.
1
,What is the purpose of a bag-mask device in CPR?
✔✔ To provide higher-quality ventilations than mouth-to-mouth.
How do you ensure high-quality CPR?
✔✔ Provide deep, fast compressions with minimal interruptions.
What is the main goal of BLS?
✔✔ To maintain circulation and oxygenation until advanced care arrives.
What should you do if an AED advises "No Shock Advised"?
✔✔ Resume CPR immediately.
What is the correct ratio of compressions to breaths for a lone rescuer of an infant?
✔✔ 30 compressions to 2 breaths.
How can rescuers avoid fatigue during prolonged CPR?
✔✔ Switch roles every two minutes.
2
,Why should chest compressions be performed at a steady rhythm?
✔✔ To maintain continuous blood flow to vital organs.
What is the best way to ensure that AED pads adhere properly?
✔✔ Dry the chest before placing the pads.
What is the priority when multiple rescuers are available?
✔✔ Assign roles to ensure high-quality CPR with minimal delays.
What is the most important step before delivering a rescue breath?
✔✔ Open the airway with the head-tilt, chin-lift maneuver.
What is the first step when approaching an unresponsive person?
✔✔ Check for scene safety and responsiveness.
How long should you check for a pulse and breathing in an unresponsive person?
✔✔ No more than 10 seconds.
3
, What is the recommended compression depth for adult CPR?
✔✔ At least 2 inches (5 cm).
What is the recommended compression depth for infant CPR?
✔✔ About 1.5 inches (4 cm).
What is the compression-to-ventilation ratio for single-rescuer adult CPR?
✔✔ 30 compressions to 2 breaths.
What is the recommended hand placement for adult chest compressions?
✔✔ Two hands on the center of the chest, on the lower half of the sternum.
What should you do if the chest does not rise with a rescue breath?
✔✔ Reopen the airway and try again.
When should an AED be used on an unresponsive person with no pulse?
✔✔ As soon as it is available.
4
