Question

how many of the following lung volumes or capacities cannot be measured by a spirometer.TV, IRV, ERV, FRC, IC, EC, TLC, RV Reward 100 points

Answer 1

Answer:

Lung volumes measure the amount of air for a specific function, ... inspiratory capacity (TV+IRV ), functional residual capacity (ERV+RV  ...

Answer 2

Answer:

the answer must be 2nd option as mentioned in ncert