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MD Flavor of the Month…High Frequency Jet versus Oscillatory Ventilation

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1.  Which of the following conditions might prompt consideration of high-frequency ventilation in neonates?
  1. Hypoplastic left heart syndrome
  2. Ventricular septal defect (VSD)
  3. Meconium aspiration
  4. None of the above
2.  What distinguishes HFJV in terms of gas penetration compared to conventional ventilation?
  1. It penetrates into the esophagus
  2. It penetrates further into the tracheal-bronchial tree
  3. It has no impact on gas penetration
  4. It provides gas directly into the alveoli
3.  What complication might occur in HFJV if there is not enough expiratory time?
  1. Gas trapping
  2. Decreased tidal volume
  3. Increased airway resistance
  4. Reduced lung compliance
4.  What is the main determinant of oxygenation in High-Frequency Oscillatory Ventilation (HFOV)?
  1. Mean Airway Pressure (MAP)
  2. Tidal volume
  3. Respiratory rate
  4. Inspiratory time
5.  Which of the following is considered a contraindication for High-Frequency Oscillatory Ventilation (HFOV)?
  1. RDS
  2. Pulmonary hypoplasia
  3. Oxygenation issues
  4. Increased ICP