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According to the AARC Clinical Practice Guidelines on Weaning and Discontinuation

question 23

Multiple Choice

According to the AARC Clinical Practice Guidelines on Weaning and Discontinuation on Ventilatory Support,adequate patient oxygenation criteria for weaning is measured by
I.PaO₂ greater than 60 mm Hg
II.FIO₂ set less than 0.4
III.PEEP zero
IV.PO₂/FIO₂ ratio greater than 150-300


Definitions:

Resonance Structures

Different Lewis structures for the same molecule that depict possible distributions of electrons, illustrating delocalization within the molecule.

Double Bond

A chemical bond between two chemical elements involving four bonding electrons instead of the usual two.

Major Product

The main substance produced in the greatest quantity from a chemical reaction.

Stereoisomeric Forms

Different forms of a compound that have the same structural formula but different arrangements of atoms in space.

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