Which of the Following Are Necessary to Ensure a Valid

question 49

Multiple Choice

Which of the following are necessary to ensure a valid single-breath diffusing capacity of the lungs (DLCO) test result?
I. Two or more acceptable tests should be averaged.
II. Breath-hold time should be between 3 and 5 seconds.
III. Corrections for hemoglobin (Hb) and COHb should be included.
IV. The maneuvers should be reproducible to within 10%.

• A)I, II, and III
• B)II and IV
• C)I, III, and IV
• D)I, II, III, and IV

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Definitions:

Ending Total Assets

Ending Total Assets refer to the total value of all assets owned by a company at the end of a financial reporting period.

Return on Total Assets

Return on total assets (ROTA) is a financial metric that measures a company's profitability in relation to its total assets, indicating how efficiently a company uses its assets to generate profit.

Controlling Influence

The power to direct the financial and operating policies of another entity so as to obtain benefits from its activities.

Investee

A company or entity in which an investor holds a minority ownership, typically less than 50%.