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NEET · Biology · STD 11 - 14. Breathing and exchange in gases

The total Lung Capacity (\(TLC\)) is the total volume of air accomodated in the lungs at the end of a forced inspiration. This includes

  1. A \(RV\) (Residual Volume); \(ERV\) (Expiratory Reserve Volume); \(TV\) (Tidal Volume); and \(IRV\) (Inspiratory Reserve Volume)
  2. B \(RV ;\) \(IC\) (Inspiratory Capacity); \(EC\) (Expiratory Capacity); and \(ERV\) 
  3. C \(RV; ERV; IC\) and \(EC\)
  4. D \(RV; ERV; VC\) (Vital Capacity) and \(FRC\) (Functional Residual Capacity)
Verified Solution

Answer & Solution

Correct Answer

(A) \(RV\) (Residual Volume); \(ERV\) (Expiratory Reserve Volume); \(TV\) (Tidal Volume); and \(IRV\) (Inspiratory Reserve Volume)

Step-by-step Solution

Detailed explanation

The correct answer is option (1) as, total volume of air accomodated in the lungs at the end of a forced inspiration is called total lung capacity (TLC). It includes RV, ERV, TV and IRV.