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
- A(i) Incorrect, (ii) Incorrect, (iii) Incorrect, (iv) Correct
- B(i) Incorrect, (ii) Correct, (iii) Incorrect, (iv) Correct
- C(i) Correct, (ii) Correct, (iii) Incorrect, (iv) Correct
- 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