Question

The maximum amount of air the lungs can hold after forceful inspiration is known as :

• A. Residual volume
• B. Total lung capacity
• C. Vital capacity
• D. IRV

Answer 1

The correct option is B Total lung capacity

The maximum amount of air the lungs can hold after forceful inspiration is called total lung capacity (TLC). Its value is about 5450ml.
Residual volume (RV) is the volume of air that is left in the lungs even after forceful exhalation. It is about 1100ml-1200ml.
Vital capacity (VC) is the maximum volume of air that can be breathed out after a forceful inspiration. Its value is about 4300ml.
IRV is inspiratory