If a person exhales out forcefully by applying all his efforts, what will the pulmonary volume inhaled by him immediately under the normal condition without applying any extra effort?
TV + IRV
TV only
TV + ERV
TV + IRV + ERV
As we have learnt,
Expiratory Capacity (EC) -
Total volume of air a person can expire after a normal inspiration
- wherein
This includes tidal volume and expiratory reserve volume (TV+ERV)
Where, expiratory reserve volume (ERV) is the additional air that can be forcibly exhaled after the expiration of a normal tidal volume.