Question

The total lung capacity includes which of the following volumes?

• A. $\text{IRV + ERV+RV+TV}$
• B. $\text{ERV+TV+IRV}$
• C. $\text{IRV+TV+FRC}$
• D. $\text{IC+EC+FRC}$

Answer 1

Answer: (A)

Total Lung Capacity (TLC = ERV+TV+IRV+RV = VC+RV)
It refers to the total volume of air that can be accommodated in the lungs at the end of a forced inspiration.
It is approximately 6 litres.