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Vital capacity is a measure of maximum i...

Vital capacity is a measure of maximum inspiration.

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**Step-by-Step Solution:** 1. **Understanding Vital Capacity**: Vital capacity is defined as the maximum amount of air that can be exhaled after a maximum inhalation. It is not solely a measure of maximum inspiration. 2. **Components of Vital Capacity**: Vital capacity is the sum of three different lung volumes: - **Tidal Volume (TV)**: The amount of air inhaled or exhaled during normal breathing. - **Inspiratory Reserve Volume (IRV)**: The additional air that can be inhaled after a normal inhalation. - **Expiratory Reserve Volume (ERV)**: The additional air that can be exhaled after a normal exhalation. Thus, the formula for vital capacity (VC) is: \[ VC = TV + IRV + ERV \] 3. **Measurement of Vital Capacity**: Vital capacity is measured using an instrument called a **spirometer**, not a "pyrometer" (which is used for measuring temperature). 4. **Conclusion**: Since the statement claims that vital capacity is a measure of maximum inspiration, it is incorrect. Vital capacity includes both inspiration and expiration, making the statement false. **Final Answer**: The statement "Vital capacity is a measure of maximum inspiration" is false. ---
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