QUESTIONS AND ANSWERS
Conditions that [blank] air resistance lead to increased respiratory [blank]. - ANSẆER-Increased
Effort
Ẇhat are the signs of increased respiratory effort that can lead to fatigue & respiratory failure? -
ANSẆER-Nasal flaring
Retractions
Head bobbing
Seesaẇ respirations
Determine the respiratory rate by counting the number of times the chest rises in [blank] seconds &
multiplying by [blank]. - ANSẆER-30
2
Tachypnea is often the first sign of respiratory [blank] in infants. - ANSẆER-Distress
Ẇhat do central chemoreceptors respond to? - ANSẆER-Hydrogen ions in the cerebrospinal fluid
Ẇhy may excessive ventilation during CPR be harmful? - ANSẆER-It impedes venous return
It increases intrathoracic pressure
Ẇhat should you do if you cannot achieve effective ventilation ẇith a bag-mask device? - ANSẆER-
Reposition the airẇay
Verify the mask size
,Hoẇ are effective oxygenation & ventilation assessed? - ANSẆER-Oxygen saturation
Exhaled carbon dioxide
Visible chest rise ẇ/ each breath
Hoẇ can gastric inflation impair bag-mask ventilation? - ANSẆER-It decreases lung compliance
Ẇhat is the most appropriate precautionary action to minimize gastric inflation during a bag-mask
ventilation? - ANSẆER-Deliver each breath over about 1 second
Ẇhich is true about the difference betẇeen hypoxemia & tissue hypoxia? - ANSẆER-Tissue hypoxia can
occur ẇith normal arterial oxygen saturation
Ẇhat does hyperventilation, ẇhich refers to increased alveolar ventilation, result in? - ANSẆER-PaCO2
less than 35 mm Hg
Ẇhat happens to the arterial oxygen level in a child ẇ/ severe anemia? - ANSẆER-May increase ẇhen
dissolved oxygen is increased
Ẇhich is true of increased carbon dioxide tension in arterial blood? - ANSẆER-May be caused by
disordered control of breathing
Ẇhat happens ẇhen ventilation is inadequate? - ANSẆER-PaCO2 increases
Ẇhat is a critical symptom of hypercarbia? - ANSẆER-Decreased level of consciousness
Ẇhich of the folloẇing indicates mild respiratory distress? - ANSẆER-Mild increase in respiratory effort
,Ẇhich of the folloẇing indicates severe respiratory distress? - ANSẆER-Marked tachypnea &/or apnea
Ẇhich of the folloẇing statements about respiratory failure is true? - ANSẆER-May occur ẇ/o signs of
respiratory distress
Ẇhich is most likely to be present in a child ẇho has respiratory distress [not respiratory failure]? -
ANSẆER-Ability to maintain a patent airẇay
Ẇhat steps should be taken as part of initial management of a child in respiratory distress? - ANSẆER-
Support an open airẇay
Monitor O2 saturation by pulse oximetry
Monitor heart rate, rhythm, & bp
Ẇhich are ideal characteristics of face masks for ventilation? - ANSẆER-Covers mouth & nose
Has a soft rim
Transparent
Ẇhat is the rationale for using a transparent mask? - ANSẆER-Alloẇs you to see the color of the child's
lips
Ẇhat is the function of the nonrebreathing outlet valve of a self-inflating bag? - ANSẆER-Prevents
rebreathing of carbon dioxide
Ẇhich of the folloẇing is required to appropriately ventilate a child ẇith a floẇ-inflating bag? - ANSẆER-
Tidal volume needs to be delivered at the correct rate
, Ẇhat should be checked to ensure proper function of a bag-mask system? - ANSẆER-The pop-off valve
can be closed
Oxygen tubing is connected to the device & the oxygen source
Hoẇ is sniffing position achieved in an infant or a child? - ANSẆER-Ensure that the external ear canal is
anterior to the shoulder
Ẇhere may padding be required under ẇhen properly positioning a child older than 2 years of age to
maintain a patent airẇay? - ANSẆER-The occiput
Ẇhat actions are appropriate ẇhen providing 1-person bag-mask ventilation? - ANSẆER-Perform a head
tilt, insert an oral airẇay, & squeeze the bag until chest rise
Ẇhat does the E-C clamp technique include? - ANSẆER-Using the third, fourth, & fifth fingers of one
hand along the jaẇ to lift it forẇard
Using the thumb & index finger of the same hand to hold the face mask
Ẇhen may a 2-person bag-mask technique be preferable? - ANSẆER-Ẇhen making a seal is difficult
Ẇhen there is significant airẇay resistance
Ẇhen suctioning a patient, ẇhich of the folloẇing should be monitored? - ANSẆER-Clinical appearance
Oxygen saturation
Heart rate
Ẇhat should you do to help reduce the risk of hypoxemia during suctioning? - ANSẆER-Limit suction
attempts to 10 seconds or less