Questions: Which term best describes the normal amount of air that is brought into and out of the lungs during quiet or resting breathing? A. Inspiratory volume (B) Vital capacity (C) Tidal volume D Residual volume

Which term best describes the normal amount of air that is brought into and out of the lungs during quiet or resting breathing? A. Inspiratory volume (B) Vital capacity (C) Tidal volume D Residual volume
Transcript text: Which term best describes the normal amount of air that is brought into and out of the lungs during quiet or resting breathing? A. Inspiratory volume (B) Vital capacity (C) Tidal volume D Residual volume
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Solution

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The answer is (C): Tidal volume.

Explanation for each option: A. Inspiratory volume - This term refers to the amount of air that can be inhaled after a normal inhalation, not the amount of air moved during quiet or resting breathing. B. Vital capacity - This is the total amount of air that can be exhaled after a maximum inhalation, which includes tidal volume, inspiratory reserve volume, and expiratory reserve volume. It is not specific to quiet or resting breathing. C. Tidal volume - This is the amount of air that is brought into and out of the lungs during quiet or resting breathing. It is the correct term for the normal amount of air exchanged in a single breath during rest. D. Residual volume - This is the amount of air remaining in the lungs after a maximal exhalation, which is not related to the air exchanged during quiet or resting breathing.

Summary: The term that best describes the normal amount of air that is brought into and out of the lungs during quiet or resting breathing is tidal volume.

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