Which of the Following Values Are Indicative of Acute Respiratory

question 7

Multiple Choice

Which of the following values are indicative of acute respiratory failure and the need for ventilatory support?
1) Maximum inspiratory pressure (MIP) = -38 cm H₂O
2) Vital capacity (VC) = 650 mL for a 70 kg male
3) Alveolar-to-arterial partial pressure of oxygen [P(A-a) O₂] = 150 on 100% oxygen
4) Maximum expiratory pressure (MEP) = 25 cm H₂O

• A) 1 and 2 only
• B) 2 and 4 only
• C) 1 and 3 only
• D) 3 and 4 only

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