A Patient Being Actively Weaned from Mechanical Ventilation Currently Is

question 27

Multiple Choice

A patient being actively weaned from mechanical ventilation currently is receiving the following ventilatory support: pressure support = 15 cm H₂O,spontaneous Vᴛ = 575 mL,spontaneous rate = 14 breaths/min,spontaneous Vᴛ = 500 mL,FɪO₂ = 35%,PEEP = 5 cm H₂O.The arterial blood gas results are: pH = 7.42,PₐCO₂ = 38 mm Hg,PₐO₂ = 94 mm Hg,SₐO₂ = 98%,HCO₃- = 24 mEq/L.What should the respiratory therapist do next?

• A) Reduce PEEP to zero.
• B) Reduce the FɪO₂ to 30%.
• C) Reduce the PS to 10 cm H₂O.
• D) Extubate the patient.

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