While ventilating a neonate with a jet ventilator, the therapist needs to change the patient's effective alveolar ventilation. Which of the following ventilator settings does the therapist need to adjust to alter the neonate's VA? I. decrease the inspiratory time II. increase the drive pressure III. increase the applied PEEP IV. increase the respiratory frequency
IV. increase the respiratory frequency
A. I, III only
B. II, III only
C. I, IV only
D. II, III, IV only
ANS: C
A. Incorrect response: See explanation C.
B. Incorrect response: See explanation C.
C. Correct response: To increase the effective alveolar volume while ventilating a neonate with a jet ventilator, the therapist needs to increase either (1) the drive pressure, (2), increase in the inspiratory time, or (3) increase the respiratory rate.
D. Incorrect response: See explanation C.
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