<prompt> Spirometry cannot measure -RVTVIRVERV  <response>: Ans. is a i.e., RV o Spirometry can measure :- Tidal volume TV, inspiratory reserve volume IRV, expiratory reserve volume ERV, vital capacity VC, forced vital capacity FVC, FEV,.o Spirometry cannot measure :- Residual volume RV, functional residual capacity FRC, total lung capacity TLC. 