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Differentiate between
A) Inspiratory and Expiratory Reserve Volume
B) Vital Capacity and Total Lung Capacity
C) Emphysema and occupational respiratory disorder

Answers (1)

A)

Inspiratory Reserve Volume	Expiratory Reserve Volume
The additional volume of air a person can inspire by a forcible inspiration is called inspiratory reserve volume (IRV).	The additional volume of air a person can expire by a forced expiration is called expiratory reserve volume (ERV).
In a normal individual, IRV is about 2500 to 3000 mL	In a normal human, ERV is about 1000 to 1100 mL.

B)

Vital capacity	Total Lung Capacity
The maximum volume of the air one can breathe after a forceful expiration, is called Vital Capacity.	The total volume of air in the lungs at the end of a forced inspiration is called Total Lung Capacity.

C)

Emphysema	Occupational Respiratory disorder
Alveoli walls are damaged in emphysema	any other part of the respiratory system is damaged in occupational respiratory disorder
Caused due to smoking	Caused due to fine particles generated

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