Which Is True Regarding Closing Volumes of the Lungs

question 14

Multiple Choice

Which is true regarding closing volumes of the lungs?

• A) The closing volume is 10% of the vital capacity in young, healthy individuals.
• B) It increases with age and is 80% of the vital capacity at age 65 years.
• C) Closing volume is used as an aid in the diagnosis of large airway disease.
• D) It is not effective in evaluating treatment or drug response.

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Definitions:

Organization

An entity comprising multiple people, such as a business or club, structured to achieve specific goals or tasks.

Market Segments

Divisions of a market into distinct groups of buyers with different needs, characteristics, or behaviors who might require separate products or marketing mixes.

Multiple Products

Offering a range of different products within a company's portfolio to appeal to varied consumer needs and preferences.

Segmentation Strategy

A marketing approach that involves dividing a broad target market into subsets of consumers with common needs or characteristics.