Which of the Following Explains the Lack of Response to Bronchodilators

question 5

Multiple Choice

Which of the following explains the lack of response to bronchodilators by some patients with severe emphysema?

• A) Airway obstruction is caused by severe bronchospasm.
• B) Airway obstruction is caused by passive airway compression and collapse during expiration.
• C) Airway obstruction is associated with air trapping.
• D) Airway obstruction with hyperinflation is not sensitive to bronchodilators.

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Definitions:

Systematically

Done or conducted using a thorough, efficient, and methodical approach.

Variable

An element, feature, or factor that is liable to vary or change, often used in scientific research to measure and analyze differences.

Identical

Exactly the same, alike in every way. This term is often used to describe objects, twins, or situations that are indistinguishable from each other.

Statistically Significant

A term used to denote a result that is unlikely to have occurred by chance alone, according to a predetermined threshold of probability.