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PALS Exam Questions & Correct Solutions

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PALS Exam Questions & Correct Solutions. Terms like: How can gastric inflation impair bag-mask ventilation? - Answer: It decreases lung compliance What is the most appropriate precautionary action to minimize gastric inflation during a bag-mask ventilation? - Answer: Deliver each breath over...

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  • November 4, 2024
  • 41
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • pals

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  • PALS
  • PALS

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PALS Exam Questions & Correct Solutions

How can gastric inflation impair bag-mask ventilation? - Answer: It decreases lung
compliance


What is the most appropriate precautionary action to minimize gastric inflation
during a bag-mask ventilation? - Answer: Deliver each breath over about 1 second


Which is true about the difference between hypoxemia & tissue hypoxia? -
Answer: Tissue hypoxia can occur with normal arterial oxygen saturation


What does hyperventilation, which refers to increased alveolar ventilation, result
in? - Answer: PaCO2 less than 35 mm Hg




Page 1 of 41

,What happens to the arterial oxygen level in a child w/ severe anemia? - Answer:
May increase when dissolved oxygen is increased


Which is true of increased carbon dioxide tension in arterial blood? - Answer: May
be caused by disordered control of breathing


What happens when ventilation is inadequate? - Answer: PaCO2 increases


Conditions that [blank] air resistance lead to increased respiratory [blank]. -
Answer: Increased
Effort


What are the signs of increased respiratory effort that can lead to fatigue &
respiratory failure? - Answer: Nasal flaring
Retractions
Head bobbing
Seesaw respirations


Determine the respiratory rate by counting the number of times the chest rises in
[blank] seconds & multiplying by [blank]. - Answer: 30
2


Tachypnea is often the first sign of respiratory [blank] in infants. - Answer: Distress




Page 2 of 41

,What do central chemoreceptors respond to? - Answer: Hydrogen ions in the
cerebrospinal fluid


Why may excessive ventilation during CPR be harmful? - Answer: It impedes
venous return
It increases intrathoracic pressure


What should you do if you cannot achieve effective ventilation with a bag-mask
device? - Answer: Reposition the airway
Verify the mask size


How are effective oxygenation & ventilation assessed? - Answer: Oxygen
saturation
Exhaled carbon dioxide
Visible chest rise w/ each breath




What is a critical symptom of hypercarbia? - Answer: Decreased level of
consciousness


Which of the following indicates mild respiratory distress? - Answer: Mild increase
in respiratory effort


Which of the following indicates severe respiratory distress? - Answer: Marked
tachypnea &/or apnea

Page 3 of 41

, Which of the following statements about respiratory failure is true? - Answer:
May occur w/o signs of respiratory distress


Which is most likely to be present in a child who has respiratory distress [not
respiratory failure]? - Answer: Ability to maintain a patent airway


What steps should be taken as part of initial management of a child in respiratory
distress? - Answer: Support an open airway
Monitor O2 saturation by pulse oximetry
Monitor heart rate, rhythm, & bp


Which are ideal characteristics of face masks for ventilation? - Answer: Covers
mouth & nose
Has a soft rim
Transparent


What is the rationale for using a transparent mask? - Answer: Allows you to see
the color of the child's lips


What is the function of the nonrebreathing outlet valve of a self-inflating bag? -
Answer: Prevents rebreathing of carbon dioxide


Which of the following is required to appropriately ventilate a child with a flow-
inflating bag? - Answer: Tidal volume needs to be delivered at the correct rate

Page 4 of 41

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