BLS Pretest Chapter 4 BLS for Children Quiz Questions Answer

BLS Pretest Chapter 4 BLS for Children Quiz Questions Answer with explanation. This Basic Life Support (BLS) Chapter 4 Practice test is based on the later American Heart Association (AHA) guideline.

These questions cover the key concepts from Chapter 4 on BLS for Children, including one-rescuer and two-rescuer BLS, child ventilation, and self-assessment topics.

BLS Pretest Chapter 4 BLS for Children

BLS for Children (1 to Puberty)

What is the first step in assessing a child who appears unresponsive?

  • (A) Check for a pulse
  • (B) Start chest compressions
  • (C) Tap and talk loudly to the child
  • (D) Call 911/EMS

View Answer
Answer: (C) Explanation: The first step is to tap and talk loudly to the child to determine if they are responsive.

What should you do next if a child does not respond and is not breathing normally?

  • (A) Check for a pulse
  • (B) Start chest compressions
  • (C) Call 911/EMS and get an AED
  • (D) Give rescue breaths

View Answer
Answer: (C) Explanation: If the child is unresponsive and not breathing normally, call 911/EMS and get an AED.

For children, what is the compression to ventilation ratio for one rescuer?

  • (A) 15:1
  • (B) 15:2
  • (C) 30:1
  • (D) 30:2

View Answer
Answer: (D) Explanation: The compression to ventilation ratio for one rescuer in children is 30:2.

What is the correct depth of chest compressions for a child?

  • (A) At least 1 inch
  • (B) At least 2 inches
  • (C) At least one-third the depth of the chest
  • (D) At least 4 inches

View Answer
Answer: (C) Explanation: Chest compressions for a child should be at least one-third the depth of the chest, which is about 2 inches (5 cm).

One-Rescuer BLS for Children

When should you call EMS if you are the only rescuer with an unresponsive child?

  • (A) Immediately
  • (B) After 1 minute of CPR
  • (C) After 2 minutes of CPR
  • (D) After 5 minutes of CPR

View Answer
Answer: (C) Explanation: If you are the only rescuer, you should perform CPR for about 2 minutes before calling EMS.

How should you check for a pulse in a child?

  • (A) Brachial artery
  • (B) Carotid artery
  • (C) Radial artery
  • (D) Femoral artery

View Answer
Answer: (B) Explanation: You should check for a pulse in a child using the carotid artery.

What should you do if you cannot feel a pulse in a child or are unsure?

  • (A) Start rescue breathing
  • (B) Start chest compressions
  • (C) Call for help
  • (D) Use an AED

View Answer
Answer: (B) Explanation: If you cannot feel a pulse or are unsure, you should start chest compressions.

Two-Rescuer BLS for Children

What is the compression to ventilation ratio for two-rescuer CPR in children?

  • (A) 15:1
  • (B) 15:2
  • (C) 30:1
  • (D) 30:2

View Answer
Answer: (B) Explanation: The compression to ventilation ratio for two-rescuer CPR in children is 15:2.

When performing two-rescuer CPR on a child, what is the role of the second rescuer?

  • (A) Perform chest compressions
  • (B) Check for a pulse
  • (C) Provide ventilations and operate the AED
  • (D) Call for help

View Answer
Answer: (C) Explanation: The second rescuer provides ventilations and operates the AED while the first rescuer performs chest compressions.

How often should rescuers switch roles during two-rescuer CPR for children?

  • (A) Every 1 minute
  • (B) Every 2 minutes
  • (C) Every 5 minutes
  • (D) Every 10 minutes

View Answer
Answer: (B) Explanation: Rescuers should switch roles every 2 minutes to maintain high-quality compressions.

Child Ventilation

What is the proper technique for ventilating a child with a bag-mask device?

  • (A) Deliver breaths quickly to inflate the lungs
  • (B) Squeeze the bag over one second until the chest rises
  • (C) Deliver breaths every 10 seconds
  • (D) Squeeze the bag as hard as possible

View Answer
Answer: (B) Explanation: Squeeze the bag over one second until the chest rises to ensure proper ventilation without overinflation.

What should you avoid when providing ventilations to a child?

  • (A) Giving breaths too quickly
  • (B) Using a bag-mask device
  • (C) Checking for chest rise
  • (D) Using the head-tilt/chin-lift maneuver

View Answer
Answer: (A) Explanation: Avoid giving breaths too quickly as this may result in distention of the stomach and potential aspiration.

Self-Assessment for Child BLS

Why is early intervention important in pediatric cardiac arrest?

  • (A) Children have stronger hearts
  • (B) Pediatric cardiac arrest is often preceded by respiratory issues
  • (C) Children recover faster
  • (D) Pediatric AEDs are more effective

View Answer
Answer: (B) Explanation: Pediatric cardiac arrest is often preceded by respiratory issues, so early intervention can prevent cardiac arrest.

What is the Pediatric Chain of Survival?

  • (A) Early defibrillation, early CPR, early advanced care, post-cardiac arrest care
  • (B) Early recognition, early CPR, rapid activation of EMS, advanced life support, post-cardiac arrest care
  • (C) Early recognition, early defibrillation, early advanced care, rapid transport
  • (D) Early recognition, rapid EMS activation, advanced life support, early CPR

View Answer
Answer: (B) Explanation: The Pediatric Chain of Survival includes early recognition, early CPR, rapid activation of EMS, advanced life support, and post-cardiac arrest care.

How should you open the airway of a child if a neck injury is not suspected?

  • (A) Jaw-thrust maneuver
  • (B) Head-tilt/chin-lift maneuver
  • (C) Abdominal thrusts
  • (D) Back blows

View Answer
Answer: (B) Explanation: Use the head-tilt/chin-lift maneuver to open the airway if a neck injury is not suspected.

Additional MCQs for Child BLS

What is the proper technique for providing mouth-to-mouth ventilation to a child?

  • (A) Blow as hard as possible
  • (B) Deliver each breath over 1 second
  • (C) Alternate breaths between rescuers
  • (D) Blow until the child coughs

View Answer
Answer: (B) Explanation: Deliver each breath over 1 second to provide adequate ventilation without overinflating the lungs.

How often should you check for signs of life and a pulse during CPR in a child?

  • (A) Every 30 seconds
  • (B) Every 1 minute
  • (C) Every 2 minutes
  • (D) Every 5 minutes

View Answer
Answer: (C) Explanation: Check for signs of life and a pulse every 2 minutes to determine if CPR is effective.

When should an AED be used on a child during cardiac arrest?

  • (A) Only after 5 minutes of CPR
  • (B) As soon as it is available
  • (C) After giving 2 rescue breaths
  • (D) Only if the child is responsive

View Answer
Answer: (B) Explanation: An AED should be used as soon as it is available to increase the chances of survival.

What is the recommended action if a child’s heart rate is less than 60 beats per minute and they have poor perfusion?

  • (A) Start chest compressions
  • (B) Provide rescue breaths
  • (C) Apply the AED
  • (D) Check for a medical alert bracelet

View Answer
Answer: (A) Explanation: If a child’s heart rate is less than 60 beats per minute and they have poor perfusion, start chest compressions.

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