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Conditions that [blank] air resistance lead to increased respiratory [blank]. - CORRECT ANSWER-Increased Effort What are the signs of increased respiratory effort that can lead to fatigue & respiratory failure? - CORRECT ANSWER-Nasal flaring Retractions Head bobbing Seesaw respirations De...

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  • August 9, 2024
  • 31
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • pals best rated exam questions answers
  • pals best rated exam questions answers stuvia
  • conditions that blank air resistance lead to inc

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PALS Best Rated Exam Questions &
Answers

Conditions that [blank] air resistance lead to increased respiratory [blank]. - CORRECT
ANSWER-Increased

Effort



What are the signs of increased respiratory effort that can lead to fatigue & respiratory
failure? - CORRECT 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]. - CORRECT ANSWER-30

2



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



What do central chemoreceptors respond to? - CORRECT ANSWER-Hydrogen ions in
the cerebrospinal fluid



Why may excessive ventilation during CPR be harmful? - CORRECT ANSWER-It
impedes venous return

It increases intrathoracic pressure



What should you do if you cannot achieve effective ventilation with a bag-mask device?
- CORRECT ANSWER-Reposition the airway

Verify the mask size

,How are effective oxygenation & ventilation assessed? - CORRECT ANSWER-Oxygen
saturation

Exhaled carbon dioxide

Visible chest rise w/ each breath



How can gastric inflation impair bag-mask ventilation? - CORRECT ANSWER-It
decreases lung compliance



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



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



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



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



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



What happens when ventilation is inadequate? - CORRECT ANSWER-PaCO2
increases



What is a critical symptom of hypercarbia? - CORRECT ANSWER-Decreased level of
consciousness



Which of the following indicates mild respiratory distress? - CORRECT ANSWER-Mild
increase in respiratory effort

,Which of the following indicates severe respiratory distress? - CORRECT ANSWER-
Marked tachypnea &/or apnea



Which of the following statements about respiratory failure is true? - CORRECT
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]? - CORRECT ANSWER-Ability to maintain a patent airway



What steps should be taken as part of initial management of a child in respiratory
distress? - CORRECT 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? - CORRECT ANSWER-
Covers mouth & nose

Has a soft rim

Transparent



What is the rationale for using a transparent mask? - CORRECT 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? -
CORRECT ANSWER-Prevents rebreathing of carbon dioxide



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



What should be checked to ensure proper function of a bag-mask system? - CORRECT
ANSWER-The pop-off valve can be closed

Oxygen tubing is connected to the device & the oxygen source

, How is sniffing position achieved in an infant or a child? - CORRECT ANSWER-Ensure
that the external ear canal is anterior to the shoulder



Where may padding be required under when properly positioning a child older than 2
years of age to maintain a patent airway? - CORRECT ANSWER-The occiput



What actions are appropriate when providing 1-person bag-mask ventilation? -
CORRECT ANSWER-Perform a head tilt, insert an oral airway, & squeeze the bag until
chest rise



What does the E-C clamp technique include? - CORRECT ANSWER-Using the third,
fourth, & fifth fingers of one hand along the jaw to lift it forward

Using the thumb & index finger of the same hand to hold the face mask



When may a 2-person bag-mask technique be preferable? - CORRECT ANSWER-
When making a seal is difficult

When there is significant airway resistance



When suctioning a patient, which of the following should be monitored? - CORRECT
ANSWER-Clinical appearance

Oxygen saturation

Heart rate



What should you do to help reduce the risk of hypoxemia during suctioning? -
CORRECT ANSWER-Limit suction attempts to 10 seconds or less



Under what circumstance should you use an oropharyngeal airway? - CORRECT
ANSWER-The child must be unconscious



What can happen if the oropharyngeal airway is too large? - CORRECT ANSWER-It
can block the airway

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