A Patient Whose FVC Is 4 L Performs Two DLCOsb

question 17

Multiple Choice

A patient whose FVC is 4 L performs two DLCOsb maneuvers with the following results: The pulmonary function technologist should:

• A) Reject Trial 1 because of the V_I.
• B) Reject Trial 2 because of the breath-hold time.
• C) Report the DLCOsb as 22.0 ml CO/min/mm Hg.
• D) Report the DLCOsb as 21.2 ml CO/min/mm Hg.

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Definitions:

Major Organic Product

In organic chemistry, the predominant compound that forms as the result of a chemical transformation.

Major Organic Product

The principal product formed in a reaction involving organic molecules, which is often the most stable or the one produced in the highest yield under the given conditions.

Major Organic Product

The predominant output resulting from a chemical reaction involving organic reactants, distinguished by its higher yield compared to other products.

Activating Group

A substituent attached to a benzene ring that increases its reactivity by stabilizing the intermediate cation through resonance or electron-donating effects.