When studying the signs of pulmonary ventilation, reduction of forced expiratory volume has been detected. What is the likely causeof this phenomenon?

Answer options

1. Increase of inspiratory reserve volume
2. Increase of pulmonary residual volume
3. Obstructive pulmonary disease
4. Increase of functional residual lung capacity
5. Increase of respiratory volume

Explanation

Expiratory Volume is always reduced in all Obstructive Pulmonary disease. E.g Asthma, COPD.