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NEETZoologyBreathing and Exchange of Gases

What is expiratory capacity?

Options

  1. ATV+ IRV
  2. BTV+ ERV
  3. CERV+ RV
  4. DERV + RV + IRV

Correct answer

B. TV+ ERV

Step-by-step solution

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 inspiration. This includes tidal volume and expiratory reserve volume (TV+ERV). Functional Residual Capacity (FRC): Volume of air tha

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