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Question: Answered & Verified by Expert
The Total Lung Capacity(TLC) is the total volume of air accomodated in the lungs at the end of a forced inspiration. This includes:
BiologyBreathing and Exchange of GasesNEETNEET 2020 (Phase 2)
Options:
  • A

    RV; IC (Inspiratory Capacity); EC (Expiratory Capacity); and ERV
  • B RV;ERV;IC and EC
  • C RV; ERV; VC (Vital Capacity) and FRC (Functional Residual Capacity)
  • D RV (Residual Volume); ERV (Expiratory Reserve Volume); TV (Tidal Volume); and IRV (Inspiratory Reserve Volume)
Solution:
1654 Upvotes Verified Answer
The correct answer is: RV (Residual Volume); ERV (Expiratory Reserve Volume); TV (Tidal Volume); and IRV (Inspiratory Reserve Volume)

Total Lung Capacity (TLC): Total volume of air accommodated in the lungs at the end of a forced inspiration is called TLC. Mathematically, it can be represented as:

TLC=RV+VC,

But, VC=TV+ERV+IRV,

Therefore, TLC=RV+TV+ERV+IRV

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