Which of the Following NPPV Settings Produces the Greatest Tidal

question 15

Multiple Choice

Which of the following NPPV settings produces the greatest tidal volume,with all other variables being equal (i.e. ,airway resistance and lung compliance) ?

• A) IPAP = 20 cm H₂O;EPAP = 8 cm H₂O
• B) IPAP = 15 cm H₂O;EPAP = 5 cm H₂O
• C) IPAP = 12 cm H₂O;EPAP = 6 cm H₂O
• D) IPAP = 18 cm H₂O;EPAP = 4 cm H₂O

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