Additional volume of air, a person can inspire by a forcible inspiration is called
Tidal Volume (TV)
Expiratory Reserve Volume (ERV)
Inspiratory Reserve Volume (IRV)
Residual Volume (RV)
Respiratory Volumes -
Tidal Volume (TV): Volume of air inspired or expired during normal respiration. It is approx. 500 mL., i.e., a healthy man can inspire or expire approximately 6000 to 8000 mL of air per minute.
Inspiratory Reserve Volume (IRV): Additional volume of air, a person can inspire by a forcible inspiration. This averages 2500 mL to 3000 mL.
Expiratory Reserve Volume (ERV): Additional volume of air, a person can expire by a forcible expiration. This averages 1000 mL to 1100 mL.
Residual Volume (RV): Volume of air remaining in the lungs even after a forcible expiration. This averages 1100 mL to 1200 mL.
Inspiratory Reserve Volume (IRV): Additional volume of air, a person can inspire by a forcible inspiration. This averages 2500 mL to 3000 mL.
Hence, the correct option is c. inspiratory reserve volume