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

Answer options

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

Explanation

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