What is vital capacity of our lungs?1. Inspiratory reserve volume plus tidal volume2. Total lung capacity minus expiratory reserve volume3. Inspiratory reserve volume plus expiratory reserve volume4. Total lung capacity minus residual volume
Question
What is vital capacity of our lungs?1. Inspiratory reserve volume plus tidal volume2. Total lung capacity minus expiratory reserve volume3. Inspiratory reserve volume plus expiratory reserve volume4. Total lung capacity minus residual volume
Solution
The vital capacity of our lungs is the maximum amount of air that can be exhaled after a maximum inhalation. To calculate the vital capacity, we need to consider several lung volumes.
Step 1: Calculate the Inspiratory Reserve Volume (IRV) The Inspiratory Reserve Volume is the maximum amount of air that can be inhaled after a normal inhalation.
Step 2: Calculate the Tidal Volume (TV) The Tidal Volume is the amount of air that is normally inhaled and exhaled during each breath.
Step 3: Add the Inspiratory Reserve Volume (IRV) and Tidal Volume (TV) To calculate the vital capacity, we add the Inspiratory Reserve Volume and the Tidal Volume together.
Therefore, the correct answer is option 1: Inspiratory Reserve Volume plus Tidal Volume.
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