A pediatric patient is being treated for respiratory distress syndrome (RDS). What happens to functional residual capacity (FRC) if the compliance of the lung decreases in this patient?
A) FRC is not affected by lung compliance.
B) FRC decreases.
C) FRC increases.
D) FRC stays the same.
Q. 2 Why would high-frequency ventilation be appropriate in managing refractory hypoxemia?
A) High-frequency ventilation provides lower mean airway pressure.
B) High-frequency ventilation provides lower intrathoracic pressures.
C) High-frequency ventilation provides minimal cardiac side effects from positive pressure.
D) High-frequency ventilation improves in gas exchange.
Q. 3 Pressure-limiting modes on neonatal ventilators protect the newborn's lungs from
A) infection
B) airway obstruction
C) barotrauma
D) hypercapnia
Q. 4 Why would high-frequency ventilation be effective in a patient with a large bronchopulmonary fistula and its associated air leak into a chest tube?
A) High-frequency ventilation provides lower mean airway pressure.
B) High-frequency ventilation provides lower intrathoracic pressures.
C) High-frequency ventilation provides minimal cardiac side effects from positive pressure.
D) High-frequency ventilation improves in gas exchange.
Q. 5 Which of the following indicate a decrease in compliance?
A) increased chest wall excursion
B) increased monitored tidal volume
C) increased slope of the pressure-volume loop
D) increased auscultated crackles
Q. 6 Which of the following are advantages of high-frequency ventilation when compared with conventional convective ventilation?
I. lower mean airway pressure
II. lower intrathoracic pressures
III. minimal cardiac side effects from positive pressure
IV. improvement in gas exchange
A) I
B) I and II
C) I, II, and III
D) I, II, III, and IV
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