| (1) Tidal volume |
| (2) Residual volume |
| (3) Expiratory reserve volume |
| (4) Vital capacity |
A) 1 < 2 < 3 < 4
B) 1 < 3 < 2 < 4
C) 1 < 4 < 3 < 2
D) 1 < 4 < 2 < 3
Correct Answer: B
Solution :
Tidal volume is volume of air inspired or expired with each normal breath. It is about 500 mL in adult person. Expiratory reserve volume is the extra amount of air that can be expired forcibly after a normal expiration. It is about\[1000\text{ }mL\]. Residual volume: It is the volume of air which remains still in the lung after the most for after expiration, it is about \[1000\] to\[1500mL\]. Vital capacity: Amount of air which can be maximum inspired and also maximum expired. It varies from \[3400-4800\text{ }mL\] depending on physiology of person.
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