A person has tidal volume 500 cm³, inspiratory reserve 3000 cm³, expiratory reserve 1100 cm³ and residual volume 1200 cm³. What is the total lung capacity?
Correct answer A. 5800 cm³
Explanation
Total lung capacity = vital capacity + residual volume. Vital capacity = 500 + 3000 + 1100 = 4600 cm³, so TLC = 4600 + 1200 = 5800 cm³.
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