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BLS Lesson 4: Basic Life Support for
Children and Infants Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
How do you check for responsiveness in an unresponsive infant?✔✔ Tap the bottom of the foot and shout the infant’s name.
What should you do first if you witness a child collapse and become unresponsive?✔✔ Check for responsiveness and breathing, then call for help and get an AED.
If an infant is unresponsive and not breathing but has a pulse, what action should you take?✔✔ Provide rescue breaths at a rate of one breath every 3 to 5 seconds.
What should you do if a child is choking and cannot cough, speak, or breathe?✔✔ Perform abdominal thrusts until the object is expelled or the child becomes unresponsive.
What action should be taken if an infant is choking and cannot make any noise?✔✔ Give 5 back blows followed by 5 chest thrusts until the object is cleared. 1 / 3
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How should you open the airway of an infant when giving rescue breaths?✔✔ Use a neutral head position with a slight tilt to avoid blocking the airway.
What is the best way to deliver effective rescue breaths to an infant?✔✔ Cover both the nose and mouth with your mouth and give gentle puffs of air.
What should you do if a child who was choking becomes unresponsive?✔✔ Lower them to the ground, begin CPR, and check for the object between compressions and breaths.
How often should rescuers switch roles in two-rescuer CPR for a child?✔✔ About every 2 minutes or every 5 cycles of compressions and breaths.
What should be done if an AED is available while performing CPR on a child?✔✔ Turn it on, follow the prompts, and use pediatric pads if available.
What is the recommended depth for chest compressions on a child during CPR? 2 / 3
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✔✔ At least one-third the depth of the chest, or about 2 inches.
How many chest compressions should be given per minute when performing CPR on an infant?✔✔ 100 to 120 compressions per minute.
What is the proper hand placement for performing chest compressions on a child?✔✔ Use one or two hands on the center of the chest, just below the nipple line.
How should you position your fingers when performing CPR on an infant?✔✔ Use two fingers placed just below the nipple line on the breastbone.
What is the correct compression-to-breath ratio for a single rescuer performing CPR on an infant?✔✔ 30 compressions to 2 breaths.
What is the correct compression-to-breath ratio for two rescuers performing CPR on a child?✔✔ 15 compressions to 2 breaths.
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