ATI Gas Exchange and Oxygenation Practice Exam 2025 – Complete Study Guide

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How long should a patient hold their breath when using an incentive spirometer?

1-2 seconds

3-5 seconds

The correct duration for holding one's breath while using an incentive spirometer is typically 3-5 seconds. This duration is essential because it allows enough time for the lungs to inflate and promotes better gas exchange. Holding the breath for this recommended timeframe ensures that the air reaches the deeper alveoli, which is crucial for effective ventilation and prevention of complications such as atelectasis after surgery.

Shorter breath-holding times, such as 1-2 seconds, do not provide a sufficient opportunity for the alveoli to open completely, potentially reducing the effectiveness of the exercise. Longer durations, like 6-8 seconds or 9-10 seconds, may be difficult for some patients, especially those who are postoperative or have limited lung capacity, leading to ineffective use of the spirometer. The 3-5 seconds balance effectiveness and patient comfort, making it the most appropriate choice for promoting optimal lung expansion.

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6-8 seconds

9-10 seconds

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