An Invasively Ventilated Patient with ARDS Is on PC-CMV,PIP =

question 21

Multiple Choice

An invasively ventilated patient with ARDS is on PC-CMV,PIP = 30 cm H₂O,PEEP = 12 cm H₂O,F_IO₂ = 1.0.The patient's returned V_T is 320 mL.The ABG results on these settings are: pH 7.3,PaCO₂ 53 mm Hg,PaO₂ 62 mm Hg.The patient is placed in the prone position,and after 1 hour,ABG results show: pH 7.38,PaCO₂ 46mm Hg,PaO₂ 83 mm Hg.The respiratory therapist should do which of the following?

• A) Keep the patient in the prone position.
• B) Place the patient in the supine position.
• C) Keep the patient in the prone position and decrease the F_IO₂.
• D) Place the patient in the supine position and decrease PEEP.

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Definitions:

Marginal Utility

The additional satisfaction or benefit obtained from consuming one more unit of a good or service.

Total Utility

The complete satisfaction obtained from consuming a particular quantity of goods or services.

Marginal Utility

The extra pleasure or benefit gained by a consumer from using an additional unit of a product or service.

General Utility

The overall satisfaction or happiness derived from consuming goods and services. This term is a restated definition for "Total Utility."