Page 1 of 158
PALS PRACTICE EXAM QUESTIONS AND CORRECT
VERIFIED ANS WERS LATEST UPDATE JUST
RELEASED THIS YEAR
Question: Which of the following is true about airway resistance? - CORRECT
ANSWER✔✔when airway resistance increases, work of breathing increases
Question: Which of the following describes laminar or normal airflow? - CORRECT
ANSWER✔✔Low airway resistance and a small driving pressure
Question: During spontaneous breathing, what are the inspiratory muscles attempting to do? -
CORRECT ANSWER✔✔increase intrathoracic volume
Question: Which component of effective high-performance teams is represented by the use of
real-time feedback devices? - CORRECT ANSWER✔✔quality
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Question: Which of these factors can override brainstem control of breathing in an infant? -
CORRECT ANSWER✔✔breath holding
Question: What do central chemoreceptors respond to? - CORRECT ANSWER✔✔Hydrogen ions
in the cerebrospinal fluid
| This is largely determined by the arterial CO, tension.
Question: How are effective oxygenation and ventilation assessed? - CORRECT
ANSWER✔✔Visible chest rise with each breath
Oxygen saturation
Exhaled carbon dioxide
Question: How can gastric inflation impair bag-mask ventilation? - CORRECT ANSWER✔✔It
decreases lung compliance
Question: What should you do if you cannot achieve effective ventilation with a bag-mask
device? - CORRECT ANSWER✔✔Verify the mask size.
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,Page 3 of 158
Reposition the airway.
Question: What is the most appropriate precautionary action to minimize gastric inflation
during bag-mask ventilation? - CORRECT ANSWER✔✔Deliver each breath over about 1 second.
Question: Why may excessive ventilation during CPR be harmful? - CORRECT ANSWER✔✔It
impedes venous return.
It increases intrathoracic pressure.
Question: Hypoxemia is defined as oxygen saturation less than - CORRECT ANSWER✔✔94
Question: Which is true about the difference between hypoxemia and tissue hypoxia? -
CORRECT ANSWER✔✔Tissue hypoxia can occur with normal arterial oxygen saturation.
Question: What does hyperventilation, which refers to increased alveolar ventilation, result in?
- CORRECT ANSWER✔✔PaCO, less than 35 mm Hg
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, Page 4 of 158
Question: What is the most appropriate precautionary action to minimize gastric inflation
during bag-mask ventilation? - CORRECT ANSWER✔✔Deliver each breath over about 1 second.
Question: What happens to the arterial oxygen level in a child with severe anemia? - CORRECT
ANSWER✔✔May increase when dissolved oxygen is increased
Question: Which is true of increased carbon dioxide tension in arterial blood? - CORRECT
ANSWER✔✔may be caused by disordered control of breathing
Question: Increased work of breathing can be associated with____airway resistance
and/or_____lung compliance. - CORRECT ANSWER✔✔increased
decreased
Question: What does hyperventilation, which refers to increased alveolar ventilation, result in?
- CORRECT ANSWER✔✔PaCO2 less than 35 mm Hg
4
SUCCESS!
PALS PRACTICE EXAM QUESTIONS AND CORRECT
VERIFIED ANS WERS LATEST UPDATE JUST
RELEASED THIS YEAR
Question: Which of the following is true about airway resistance? - CORRECT
ANSWER✔✔when airway resistance increases, work of breathing increases
Question: Which of the following describes laminar or normal airflow? - CORRECT
ANSWER✔✔Low airway resistance and a small driving pressure
Question: During spontaneous breathing, what are the inspiratory muscles attempting to do? -
CORRECT ANSWER✔✔increase intrathoracic volume
Question: Which component of effective high-performance teams is represented by the use of
real-time feedback devices? - CORRECT ANSWER✔✔quality
1
SUCCESS!
,Page 2 of 158
Question: Which of these factors can override brainstem control of breathing in an infant? -
CORRECT ANSWER✔✔breath holding
Question: What do central chemoreceptors respond to? - CORRECT ANSWER✔✔Hydrogen ions
in the cerebrospinal fluid
| This is largely determined by the arterial CO, tension.
Question: How are effective oxygenation and ventilation assessed? - CORRECT
ANSWER✔✔Visible chest rise with each breath
Oxygen saturation
Exhaled carbon dioxide
Question: How can gastric inflation impair bag-mask ventilation? - CORRECT ANSWER✔✔It
decreases lung compliance
Question: What should you do if you cannot achieve effective ventilation with a bag-mask
device? - CORRECT ANSWER✔✔Verify the mask size.
2
SUCCESS!
,Page 3 of 158
Reposition the airway.
Question: What is the most appropriate precautionary action to minimize gastric inflation
during bag-mask ventilation? - CORRECT ANSWER✔✔Deliver each breath over about 1 second.
Question: Why may excessive ventilation during CPR be harmful? - CORRECT ANSWER✔✔It
impedes venous return.
It increases intrathoracic pressure.
Question: Hypoxemia is defined as oxygen saturation less than - CORRECT ANSWER✔✔94
Question: Which is true about the difference between hypoxemia and tissue hypoxia? -
CORRECT ANSWER✔✔Tissue hypoxia can occur with normal arterial oxygen saturation.
Question: What does hyperventilation, which refers to increased alveolar ventilation, result in?
- CORRECT ANSWER✔✔PaCO, less than 35 mm Hg
3
SUCCESS!
, Page 4 of 158
Question: What is the most appropriate precautionary action to minimize gastric inflation
during bag-mask ventilation? - CORRECT ANSWER✔✔Deliver each breath over about 1 second.
Question: What happens to the arterial oxygen level in a child with severe anemia? - CORRECT
ANSWER✔✔May increase when dissolved oxygen is increased
Question: Which is true of increased carbon dioxide tension in arterial blood? - CORRECT
ANSWER✔✔may be caused by disordered control of breathing
Question: Increased work of breathing can be associated with____airway resistance
and/or_____lung compliance. - CORRECT ANSWER✔✔increased
decreased
Question: What does hyperventilation, which refers to increased alveolar ventilation, result in?
- CORRECT ANSWER✔✔PaCO2 less than 35 mm Hg
4
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