4.0 Pediatric BLS (Children and Infants) BLS Practice Quiz
54 exam-style questions covering 18% of the BLS exam. Instant feedback on every answer, progress tracking, no signup required.
This domain is part of the Basic Life Support (BLS) practice test. Each question is tagged by exam objective and difficulty so you can drill exactly the areas you need.
Sample Questions
AHA Part 1 defines an 'infant' for BLS purposes. Which definition matches?
- A. From age 1 through puberty
- B. Younger than 6 months only
- C. Birth through age 5
- D. Younger than 1 year, excluding newly born infants in the delivery room
AHA Part 1 defines an infant as someone younger than 1 year, excluding newly born infants in the delivery room.
Which range does AHA Part 1 use to define a 'child' for pediatric BLS?
- A. From birth to age 2
- B. Anyone younger than 18 regardless of physical development
- C. From age 6 to age 12 only
- D. From 1 year of age to puberty
AHA Part 1 defines a child as anyone from 1 year of age to the onset of puberty.
You are caring for a 14-year-old who has visible chest hair and is in cardiac arrest. According to AHA Part 1, which BLS approach applies?
- A. Wait for parental consent before any care
- B. Treat as an adult because there are signs of puberty
- C. Use neonatal resuscitation guidelines
- D. Use pediatric BLS based on chronologic age
AHA Part 1 lists chest or underarm hair on males and any breast development on females as signs of puberty, after which BLS treats the patient as an adult.
An infant has abnormal breathing but a definite pulse is felt. According to AHA Part 6 Step 3b, what breath rate should the rescuer provide?
- A. 1 breath every 6 seconds or 10 breaths per minute
- B. 1 breath every 2 to 3 seconds or 20 to 30 breaths per minute
- C. 1 breath every 10 seconds or 6 breaths per minute
- D. No breaths until cardiac arrest is confirmed
AHA Part 6 Step 3b specifies 1 breath every 2 to 3 seconds or 20 to 30 breaths per minute when an infant or child has abnormal breathing but a pulse.
You are alone with a choking infant in cardiac arrest. AHA Part 6 recommends which compression technique for a single rescuer who cannot encircle the chest?
- A. Use both fists side by side on the upper sternum
- B. Use the heel of one hand on the lower half of the sternum
- C. Press laterally on the ribs from one side
- D. Use only the fingertips of one hand on the chest
AHA Part 6 says if the rescuer cannot encircle the chest, the recommended technique is to compress with the heel of one hand on the lower half of the sternum.
Two rescuers simultaneously discover an unresponsive infant. According to the AHA Pediatric BLS Multirescuer Sequence, how should the two divide initial tasks?
- A. Both rescuers leave to call for help, then return
- B. The second rescuer alone performs all initial assessment and care
- C. Both rescuers stand back and wait for paramedics
- D. The first rescuer remains with the infant while the second activates EMS and retrieves the AED
AHA Part 6 explicitly directs the first rescuer to remain with the infant or child while the second rescuer activates EMS and retrieves the AED.
During pediatric resuscitation, the AED prompts that a shockable rhythm is detected. According to the AHA Pediatric BLS Multirescuer Sequence, what should the team do after delivering the shock?
- A. Pause for 5 minutes to allow recovery
- B. Stop CPR until the child shows spontaneous movement
- C. Immediately resume CPR for 2 minutes until the AED prompts another rhythm check
- D. Check the pulse for at least 60 seconds before resuming care
AHA Part 6 directs the team to immediately resume CPR for 2 minutes after a shock, until the AED prompts another rhythm check.
AHA Part 6 explains why pediatric CPR must include both compressions and breaths. Which physiologic reason does the manual cite?
- A. Children's hearts cannot generate any electrical activity
- B. Pediatric cardiac arrests are commonly due to respiratory causes, so blood oxygen content is already reduced before arrest
- C. Children always have shorter resuscitation times than adults
- D. Compression-only CPR is unsafe for any age group
AHA Part 6 explains that infant and child arrests are commonly due to respiratory causes, so oxygen content is reduced before arrest and compressions alone do not deliver oxygenated blood as effectively as compressions plus breaths.
Key Terms in This Domain
- Rescue Breathing: Without compressions: 1 breath every 6 seconds (adults), 1 every 2-3 seconds (children/infants). Each breath ~1 second.
- Pediatric AED Pads: Use pediatric pads/dose attenuator on infants and children under 8 if available; adult pads acceptable if not.
- Compression-to-Ventilation Ratio: 30:2 for single-rescuer adult/child/infant. 15:2 for 2-rescuer infant/child. Continuous compressions with advanced airway.
- Compression Depth: Adults: ≥2 inches (5 cm). Child: ~2 inches (5 cm) or 1/3 chest depth. Infant: ~1.5 inches (4 cm) or 1/3 chest depth.
- Pulse Check: Adult/child: carotid pulse (or femoral). Infant: brachial pulse. Check no more than 10 seconds.
- Choking: Conscious Adult: Abdominal thrusts (Heimlich) until object expelled or victim becomes unresponsive; then start CPR.
- Choking: Infant: 5 back blows then 5 chest thrusts, alternating, until object expelled or unresponsive.
- Switching Compressors: Rotate every 2 minutes (or every 5 cycles of 30:2) to maintain compression quality. Minimize pause to <5 seconds.
- Chain of Survival: AHA framework: recognition and activation, early CPR, rapid defibrillation, advanced resuscitation, post-cardiac-arrest care, and recovery.
- High-Quality CPR: Push hard (≥2 in / 5 cm adults), push fast (100-120/min), allow full recoil, minimize interruptions, and avoid excessive ventilation.
Link to this quiz
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Other BLS Domains
- 1.0 Course Concepts and Chain of Survival
- 2.0 Assessment and High-Performance Teams
- 3.0 Adult BLS (1- and 2-Rescuer)
- 5.0 AED for All Ages
- 6.0 Alternate Ventilation and Advanced Airways
- 7.0 Choking Relief Across Ages
- 8.0 Special Emergencies and Recovery
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