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NEETZoologyBreathing and Exchange of Gases

What is included in Inspiratory Capacity (IC)?

Options

  1. ATidal volume and expiratory reserve volume
  2. BTidal volume and inspiratory reserve volume
  3. CResidual volume and inspiratory reserve volume
  4. DTidal volume and residual volume

Correct answer

B. Tidal volume and inspiratory reserve volume

Step-by-step solution

Residual Volume (RV): Volume of air remaining in the lungs even after a forcible expiration. This averages 1100 mL to 1200 mL. By adding up a few respiratory volumes described above, one can derive various pulmonary capacities, which can be used in clinical diagnosis. Inspiratory Capacity (IC): Total volume of air a person can inspire after a normal expiration. This includes tidal volume and inspiratory reserve volume ( TV+IRV). Expiratory Capacity (EC): Total volume of air a person can expire after a normal inspir

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