Question

Distinguish between Vital capacity and Total lung capacity

Answer 1

	Vital capacity (VC)	Total lung capacity (TLC)
1	It is the amount of air which one can inhale and exhale with maximum effort	It is the total amount of air present in the lungs and the respiratory passage after a maximum inspiration
2	It is the sum of tidal volume, inspiratory reserve volume (VC = TV + IRV + ERV). It varies from 4 - 4.6 liters in a normal adult person	It bis the sum of the vital capacity and the residual  volume (TLC = VC + RV). it is 5100 to 5800 mL.