Question:

Volume of air remained in lungs even after forcible expiration:

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RV + TV + IRV + ERV = Total lung capacity.
Updated On: Oct 27, 2025
  • Residual volume
  • Tidal volume
  • Inspiratory reserve volume
  • Expiratory reserve volume
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The Correct Option is A

Solution and Explanation

• Residual volume is the air remaining in lungs after maximal expiration.
• Tidal volume = normal breathing volume.
• Inspiratory reserve volume = additional air inhaled after normal inhalation.
• Expiratory reserve volume = additional air exhaled after normal exhalation.
• Hence correct answer: Residual volume.
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