BLS Lesson 4: Basic Life Support for
Children and Infants Questions and
Answers | Latest Version | 2025/2026 |
Correct & Verified
What should you do if a child is choking and cannot cough or speak?
✔✔ Perform back blows and abdominal thrusts (Heimlich maneuver).
What is the first thing you should check when you find an unresponsive infant?
✔✔ Check for responsiveness by tapping the infant’s foot and calling their name.
How should you open the airway of a child when performing CPR?
✔✔ Use the head-tilt, chin-lift method to open the airway.
If a child is breathing but unresponsive, what should you do?
✔✔ Place the child in the recovery position and monitor their breathing until emergency services
arrive.
When giving rescue breaths to a child, how should you ensure that the breaths are effective?
1
,✔✔ Watch for the chest to rise with each breath.
If you are alone and you find a child who is unresponsive and not breathing, what should you do
first?
✔✔ Call for emergency help before starting CPR if possible.
What is the correct compression depth for a child when performing CPR with two rescuers?
✔✔ At least 1/3 of the chest depth, approximately 2 inches (5 cm).
What is the proper compression depth for chest compressions when performing CPR on a child?
✔✔ At least one-third the depth of the chest, about 2 inches (5 cm).
How should you perform chest compressions on an infant?
✔✔ Use two fingers to perform compressions at the center of the chest, just below the nipple
line.
When performing CPR on a child, what is the correct compression-to-breath ratio for a single
rescuer?
2
, ✔✔ 30 compressions to 2 breaths.
What is the correct technique for giving rescue breaths to an infant?
✔✔ Cover the infant’s mouth and nose with your mouth, providing gentle breaths until the chest
rises.
When should you start CPR on an infant?
✔✔ If the infant is unresponsive and not breathing or only gasping.
What is the proper position for the head when giving rescue breaths to an infant?
✔✔ Keep the infant’s head in a neutral position, neither tilted too far back nor too far forward.
How many chest compressions should you perform in one cycle during infant CPR?
✔✔ Perform 30 chest compressions in each cycle.
When performing CPR on a child, how deep should the chest compressions be?
✔✔ About 2 inches (5 cm) deep.
3
Children and Infants Questions and
Answers | Latest Version | 2025/2026 |
Correct & Verified
What should you do if a child is choking and cannot cough or speak?
✔✔ Perform back blows and abdominal thrusts (Heimlich maneuver).
What is the first thing you should check when you find an unresponsive infant?
✔✔ Check for responsiveness by tapping the infant’s foot and calling their name.
How should you open the airway of a child when performing CPR?
✔✔ Use the head-tilt, chin-lift method to open the airway.
If a child is breathing but unresponsive, what should you do?
✔✔ Place the child in the recovery position and monitor their breathing until emergency services
arrive.
When giving rescue breaths to a child, how should you ensure that the breaths are effective?
1
,✔✔ Watch for the chest to rise with each breath.
If you are alone and you find a child who is unresponsive and not breathing, what should you do
first?
✔✔ Call for emergency help before starting CPR if possible.
What is the correct compression depth for a child when performing CPR with two rescuers?
✔✔ At least 1/3 of the chest depth, approximately 2 inches (5 cm).
What is the proper compression depth for chest compressions when performing CPR on a child?
✔✔ At least one-third the depth of the chest, about 2 inches (5 cm).
How should you perform chest compressions on an infant?
✔✔ Use two fingers to perform compressions at the center of the chest, just below the nipple
line.
When performing CPR on a child, what is the correct compression-to-breath ratio for a single
rescuer?
2
, ✔✔ 30 compressions to 2 breaths.
What is the correct technique for giving rescue breaths to an infant?
✔✔ Cover the infant’s mouth and nose with your mouth, providing gentle breaths until the chest
rises.
When should you start CPR on an infant?
✔✔ If the infant is unresponsive and not breathing or only gasping.
What is the proper position for the head when giving rescue breaths to an infant?
✔✔ Keep the infant’s head in a neutral position, neither tilted too far back nor too far forward.
How many chest compressions should you perform in one cycle during infant CPR?
✔✔ Perform 30 chest compressions in each cycle.
When performing CPR on a child, how deep should the chest compressions be?
✔✔ About 2 inches (5 cm) deep.
3
