Question 1

What is the recommended inspiratory time percent setting for HFOV?

Accepted Answer

A) 20% 
B) 25% 
C) 33% 
D) 50% 
A) 20% 
B) 25% 
C) 33% 
D) 50%

Question 2

Which of the following actions should a therapist consider in a patient suspected of having an airway obstruction while receiving HFV?

Accepted Answer

A) Observe the patient's chest wall for movement. 
B) Increase conventional ventilation. 
C) Increase mean airway pressure on the HFV. 
D) Reduce the oscillatory amplitude. 
A) Observe the patient's chest wall for movement. 
B) Increase conventional ventilation. 
C) Increase mean airway pressure on the HFV. 
D) Reduce the oscillatory amplitude.

Question 3

Which of the following forms of mechanical ventilation is the most efficacious method for acquired bronchopleural fistulas?

Accepted Answer

A) High-frequency jet ventilation (HFJV) 
B) High-frequency oscillatory ventilation (HFOV) 
C) High-frequency flow interruption (HFFI) 
D) Conventional ventilation (CV) 
A) High-frequency jet ventilation (HFJV) 
B) High-frequency oscillatory ventilation (HFOV) 
C) High-frequency flow interruption (HFFI) 
D) Conventional ventilation (CV)

Question 4

How is the high-volume strategy achieved when the goal is to deliver a high lung volume to a neonate receiving HFV?

Accepted Answer

A) By increasing the continuous distending pressure 
B) By reducing the peak-trough pressure gradient 
C) By increasing the expiratory flow resistance 
D) By decreasing the mean airway pressure 
A) By increasing the continuous distending pressure 
B) By reducing the peak-trough pressure gradient 
C) By increasing the expiratory flow resistance 
D) By decreasing the mean airway pressure

Question 5

Which of the following are indications for HFV?

Accepted Answer

A) Diffuse,heterogeneous lung disease 
B) Existing pulmonary air leak syndrome 
C) Severe bronchiolitis 
D) PaO₂/Fio₂ ratio of 300 
A) Diffuse,heterogeneous lung disease 
B) Existing pulmonary air leak syndrome 
C) Severe bronchiolitis 
D) PaO₂/Fio₂ ratio of 300

Question 6

Why may HFOV be considered a suboptimal ventilation strategy for patients who have either fresh particulate meconium aspiration or bronchopulmonary dysplasia?

Accepted Answer

A) Ventilation time constants will be decreased. 
B) Large increases in tidal volume delivery can occur. 
C) Gas trapping may develop. 
D) Intrapulmonary shunting becomes likely. 
A) Ventilation time constants will be decreased. 
B) Large increases in tidal volume delivery can occur. 
C) Gas trapping may develop. 
D) Intrapulmonary shunting becomes likely.

Question 7

While checking the ventilator of a pediatric patient,the therapist observes the following volume-time scalar:
 
What action should the therapist take at this time?

Accepted Answer

A) Increase the sensitivity setting. 
B) Increase the tidal volume and increase the pressure setting. 
C) Increase both the inspiratory flow and the pressure setting. 
D) Check the patient-ventilator system for the presence of auto-PEEP. 
A) Increase the sensitivity setting. 
B) Increase the tidal volume and increase the pressure setting. 
C) Increase both the inspiratory flow and the pressure setting. 
D) Check the patient-ventilator system for the presence of auto-PEEP.

Question 8

The therapist is about to mechanically ventilate a neonate with a ventilator that delivers the volume guarantee mode.Which of the ventilator settings does the therapist need to set for this mode?
I.Minute ventilation
II.Tidal volume
III.Inspiratory time
IV.Inspiratory flow

Accepted Answer

A) I and II only 
B) II and IV only 
C) I,III,and IV only 
D) II,III,and IV only 
A) I and II only 
B) II and IV only 
C) I,III,and IV only 
D) II,III,and IV only

Exam 17: Mechanical Ventilation of the Neonate and Pediatric Patient

What is the recommended inspiratory time percent setting for HFOV?

Which of the following actions should a therapist consider in a patient suspected of having an airway obstruction while receiving HFV?

Which of the following forms of mechanical ventilation is the most efficacious method for acquired bronchopleural fistulas?

How is the high-volume strategy achieved when the goal is to deliver a high lung volume to a neonate receiving HFV?

Which of the following are indications for HFV?

Why may HFOV be considered a suboptimal ventilation strategy for patients who have either fresh particulate meconium aspiration or bronchopulmonary dysplasia?

While checking the ventilator of a pediatric patient,the therapist observes the following volume-time scalar: What action should the therapist take at this time?

The therapist is about to mechanically ventilate a neonate with a ventilator that delivers the volume guarantee mode.Which of the ventilator settings does the therapist need to set for this mode? I.Minute ventilation II.Tidal volume III.Inspiratory time IV.Inspiratory flow

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