BLS Pretest Chapter 7 AED for Airway Management Qui

BLS Pretest Chapter 7 AED for Airway Management Quiz Questions Answer with explanation. Airway Management consists of mouth-to-mouth Rescue Breathing, Adults and Older Children Mouth-to-Mouth, Infant Mouth-to-Mouth/Nose, and Rescue Breathing).

This Basic Life Support (BLS) Chapter 7 Practice test is based on the later American Heart Association (AHA) guideline. These questions cover the key concepts from Airway Management, Mouth-to-Mouth Rescue Breathing, Adults and Older Children Mouth-to-Mouth, Infants Mouth-to-Mouth/Nose, and Rescue Breathing, helping reinforce the proper procedures and understanding of BLS in various scenarios.

BLS Pretest Chapter 7 AED for Airway Management

Airway Management

What is the recommended maneuver to open the airway of an unresponsive adult?

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

View Answer
Answer: (B) Explanation: The head-tilt/chin-lift maneuver is recommended to open the airway of an unresponsive adult without suspected neck injury.

Which of the following is a sign of a severe airway obstruction in an infant?

  • (A) Coughing and making noise
  • (B) Breathing but wheezing
  • (C) Weak or no cough and unable to make noise
  • (D) Crying loudly

View Answer
Answer: (C) Explanation: Signs of a severe airway obstruction in an infant include a weak or no cough and inability to make noise.

Mouth-to-Mouth Rescue Breathing

What percentage of oxygen does exhaled air from a rescuer contain?

  • (A) 17%
  • (B) 21%
  • (C) 100%
  • (D) 12%

View Answer
Answer: (A) Explanation: Exhaled air from a rescuer contains approximately 17% oxygen, which is used in mouth-to-mouth rescue breathing.

Why should breaths not be given too rapidly or forcefully during mouth-to-mouth rescue breathing?

  • (A) To prevent hyperventilation
  • (B) To avoid forcing air into the stomach
  • (C) To reduce the risk of vomiting
  • (D) All of the above

View Answer
Answer: (D) Explanation: Giving breaths too rapidly or forcefully can force air into the stomach, cause vomiting, and lead to hyperventilation.

Adults and Older Children Mouth-to-Mouth

What is the first step in delivering mouth-to-mouth breaths to an adult or older child?

  • (A) Pinch the nose closed
  • (B) Blow into the mouth
  • (C) Open the airway using the head-tilt/chin-lift maneuver
  • (D) Create a seal over the mouth

View Answer
Answer: (C) Explanation: The first step is to open the airway using the head-tilt/chin-lift maneuver to ensure an open airway.

How long should each breath last when performing mouth-to-mouth on an adult or older child?

  • (A) 1 second
  • (B) 2 seconds
  • (C) 3 seconds
  • (D) 4 seconds

View Answer
Answer: (A) Explanation: Each breath should last 1 second and should make the chest rise.

Infants Mouth-to-Mouth/Nose

What should the rescuer cover with their mouth when performing rescue breathing on an infant?

  • (A) Only the nose
  • (B) Only the mouth
  • (C) Both the mouth and nose
  • (D) The entire face

View Answer
Answer: (C) Explanation: The rescuer should cover both the mouth and nose of the infant to ensure effective breaths.

What is the recommended duration for each breath given to an infant during mouth-to-mouth/nose rescue breathing?

  • (A) 0.5 seconds
  • (B) 1 second
  • (C) 2 seconds
  • (D) 3 seconds

View Answer
Answer: (B) Explanation: Each breath should last 1 second, ensuring the infant’s chest rises with each breath.

Rescue Breathing

How often should rescue breaths be provided to an adult with a pulse but not breathing?

  • (A) Every 2-3 seconds
  • (B) Every 5-6 seconds
  • (C) Every 8-10 seconds
  • (D) Every 10-12 seconds

View Answer
Answer: (B) Explanation: Rescue breaths should be provided every 5-6 seconds for an adult with a pulse but not breathing.

How often should rescue breaths be given to a child or infant with a pulse but no breathing be given?

  • (A) Every 3-5 seconds
  • (B) Every 5-6 seconds
  • (C) Every 8-10 seconds
  • (D) Every 10-12 seconds

View Answer
Answer: (A) Explanation: Rescue breaths should be given every 3-5 seconds (12-20 breaths per minute) for a child or infant with a pulse but no breathing.

Additional MCQs

What should you do if the chest does not rise with the first breath during rescue breathing?

  • (A) Give a stronger breath
  • (B) Check for a pulse
  • (C) Reposition the head and give another breath
  • (D) Start chest compressions

View Answer
Answer: (C) Explanation: If the chest does not rise with the first breath, reposition the head and give another breath to ensure the airway is open.

Which maneuver should open the airway of a person with a suspected neck injury?

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

View Answer
Answer: (B) Explanation: The jaw-thrust maneuver is used to open the airway of a person with a suspected neck injury without moving the spine.

What is the primary goal of rescue breathing?

  • (A) To remove airway obstructions
  • (B) To provide adequate oxygenation
  • (C) To perform chest compressions
  • (D) To check for a pulse

View Answer
Answer: (B) Explanation: The primary goal of rescue breathing is to provide adequate oxygenation to the person’s lungs.

How should you position the head of an infant when performing rescue breathing?

  • (A) Fully extended
  • (B) Slightly flexed
  • (C) Neutral position
  • (D) Tilted to the side

View Answer
Answer: (C) Explanation: The infant’s head should be in a neutral position when performing rescue breathing to ensure an open airway without hyperextension.

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

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

View Answer
Answer: (B) Explanation: The recommended compression to ventilation ratio for two-rescuer CPR in infants is 15:2 to ensure adequate circulation and ventilation.

What should you do if an infant becomes unresponsive and is suspected of choking?

  • (A) Perform abdominal thrusts
  • (B) Start CPR and check for an object in the mouth
  • (C) Give back blows
  • (D) Perform a blind finger sweep

View Answer
Answer: (B) Explanation: If an infant becomes unresponsive and is suspected of choking, start CPR and check for an object in the mouth before giving rescue breaths.

How should you provide rescue breaths to a child or infant with a pulse but inadequate breathing?

  • (A) Every 3-5 seconds
  • (B) Every 6-8 seconds
  • (C) Every 10-12 seconds
  • (D) Every 12-15 seconds

View Answer
Answer: (A) Explanation: Provide rescue breaths every 3-5 seconds for a child or infant with a pulse but inadequate breathing to ensure adequate oxygenation.

What is the first step in managing a responsive infant with a mild airway obstruction?

  • (A) Perform back blows
  • (B) Perform chest thrusts
  • (C) Encourage coughing
  • (D) Perform abdominal thrusts

View Answer
Answer: (C) Explanation: Encourage the infant to cough to clear a mild airway obstruction before attempting other methods.

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