While a Patient Is on an SBT Trial the Practitioner

question 9

Multiple Choice

While a patient is on an SBT trial the practitioner must watch for rapid decompensation.This is indicated by which of the following?

• A) Significant decrease in SpO₂ and increase in heart rate
• B) Arterial blood gases less than PaCO₂ of 50 mmHg and PO₂ greater than 60 mmHg
• C) MIP of negative 20 cmH2O or less
• D) PaO₂/FIO₂ ratio greater than 150-200

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Definitions:

Molecular Formulas

Representations that show the exact number of atoms of each element in a compound.

IUPAC Name

The standard naming convention for chemical substances as recommended by the International Union of Pure and Applied Chemistry.

Cycloheptane

A cyclic hydrocarbon molecule consisting of seven carbon atoms connected in a ring.

Tert-Butyl

A branched alkyl substituent derived from butane, with the formula (CH3)3C-.