A four-year-old child with cerebral palsy has been diagnosed with sleep
apnea which is being treated with nocturnal bilevel noninvasive positive
pressure ventilation. A recent ABG reveals an elevated PaCO2. Which
of the following should the neonatal/pediatric specialist recommend?
a. Increase EPAP
b. Decrease IPAP
c. Increase the respiratory rate
d. Increase the FiO2 - ANSWERS-c. increase the respiratory rate
The neonatal/pediatric specialist is evaluating a 16-year old patient who
suffered trauma during a boating accident. The patient is receiving
mechanical ventilation in the PC, A/C mode. The specialist notes that
the peak inspiratory pressure is increasing but the plateau pressure
remains constant. The specialist should conclude that
a. Airways resistance is increasing
b. Airways resistance is decreasing
c. Lung compliance is increasing
d. Lung compliance is decreasing - ANSWERS-a. airway resistance is
increasing
A neonate/pediatric specialist is asked to assist with a fiberoptic
bronchoscopy on a 12-year-old child receiving volume control
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ventilation. Prior to insertion of the bronchoscope, the specialist should
adjust the
a. Low pressure alarm
b. High pressure alarm
c. Temperature alarm
d. high respiratory rate alarm - ANSWERS-b. high pressure alarm
A two-year old near-drowning victim is receiving mechanical ventilation
via high frequency oscillator. Arterial blood gas analysis reveals
hypercapnia. The neonatal/pediatric specialist is asked to make
ventilator adjustments to address the condition. The specialist should
a. Increase the frequency
b. Decrease the frequency
c. Increase the FiO2
d. Increase the PEEP - ANSWERS-b. decrease the frequency
A preterm infant receiving pressure control ventilation for pulmonary
interstitial emphysema is deteriorating and a decision has been made to
initiate high frequency oscillatory ventilation. While preparing the
ventilator, the neonatal/pediatric specialist should set the mean airway
pressure
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a, At the same level as the PIP on pressure control
b. 5-8% higher than the PIP on pressure control
c. 5-8% lower than the mean airway pressure on pressure control
d. 10-20% lower than the PIP on pressure control - ANSWERS-d. 10-
20% lower than the PIP on pressure control
A 12 year old 37kg child requires mechanical ventilation following a
skateboard accident in which he suffered blunt chest trauma. Vital signs
reveal a heart rate of 76/minute, RR of 14/minute, BP of 98/70, and
SpO2 of 88%. The current ventilator settings are Vt 300 mL, RR
14/minute, FiO2 0.70, PEEP 5cmH2O. The most recent ABG results are
pH 7.36, PaCO2 40 torr, PaO2 58 torr, HCO3- 22 mEq/L. The
neonatal/pediatric specialist should increase the
a. Tidal volume
b. Mandatory rate
c. PEEP
d. FiO2 - ANSWERS-c. PEEP
While performing an assessment of a preterm neonate receiving
mechanical ventilation, the neonatal/pediatric specialist notes increased
respiratory effort and wide pressure fluctuations on the pressure
manometer. The specialist should
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a. Decrease the flow
b. Increase the flow
c. Increase the inspiratory time
d. Decrease the peak inspiratory pressure - ANSWERS-b. increase the
flow
An unrestrained 2 year old (12kg) was thrown from a vehicle and
suffered a severe closed head injury. Vital signs are: heart rate 80/min,
RR 28/min, BP 60/20, SpO2 80%. Breath sounds are equal bilaterally.
He is currently on VC/AC mechanical ventilation with the following
ventilator settings: Vt 60mL, Rate 28/min, FiO2 0.70, PEEP 3 cmH2O.
The neonatal/pediatric specialist should increase the
a. Tidal volume
b. Mandatory rate
c. FiO2
d. PEEP - ANSWERS-c. FiO2
A post term infant requires mechanical ventilation for meconium
aspiration. Which of the following initial ventilator settings should the
neonatal/pediatric specialist recommend?
a. PC/SIMV PIP 15, RR 28, IT 0.4
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