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NEETZoologyBreathing and Exchange of Gases

From the following relationships between respiratory volume and capacities and mark the correct answer i. Inspiratory capacity (IC) = Tidal Volume + Residual Volume ii. Vital Capacity (VC) = Tidal Volume (TV) + Inspiratory Reserve Volume (IRV) + Expiratory Reserve Volume (ERV). iii. Residual Volume (RV) = Vital Capacity (VC) – Inspiratory Reserve Volume (IRV) iv. Tidal Volume (TV) = Inspiratory Capacity (IC) – Inspir

Options

  1. A(i) Incorrect, (ii) Incorrect, (iii) Incorrect, (iv) Correct
  2. B(i) Incorrect, (ii) Correct, (iii) Incorrect, (iv) Correct
  3. C(i) Correct, (ii) Correct, (iii) Incorrect, (iv) Correct
  4. D(i) Correct, (ii) Incorrect, (iii) Correct, (iv) Incorrect

Correct answer

B. (i) Incorrect, (ii) Correct, (iii) Incorrect, (iv) Correct

Step-by-step solution

Vital Capacity: ERV + TV + IRV Inspiration Capacity: TV+IRV Residual Volume: Total Lung Capacity-Vital Capacity Tidal Volume: IC-IRV

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