Increased lung compliance is most often due to which of the following?
- Hyperventilation
- Increased airway resistance
- Increased lung compliance
- Poor cardiac output
Click Here for the Answer
Increased airway resistance
Explanations
- Incorrect. Patients can hyperventilate without increasing their accessory muscle use.
- Correct. Increased airway resistance is the most common cause of increased accessory muscle use.
- Incorrect. Increased lung compliance does not increase accessory muscle use. Decreased lung compliance may increase accessory muscle use.
- Incorrect. Cardiac output does not affect accessory muscle use.
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