| Column-I | Column-II |
| A. Residual | p. 4000 ml - 4600 ml volume (RV) |
| B. Inspiratory Reserve Volume (IRV) | q. 1100 ml -1200 ml |
| C. Vital capacity (VC) | r. 1000 ml - 1100 ml |
| D. Expiratory Reserve Volume (ERV) | s. 3000 ml - 3500 ml |
| E. Inspiratory | t. 2500 ml - 3000 ml capacity (1C) |
A) A-t B-q C-s D- r E-p
B) A-q B-r C-s D- t E-p
C) A- q B-t C-p D- r E- s
D) A-r B-t C-p D-q E-s
Correct Answer: C
Solution :
: Residual volume (1100-1200 mL) or RV is the volume of air that always remains in the lungs after forcible expiration. It enables the lungs to continue exchange of gases even after maximum exhalation or on holding the breath. Inspiratory Reserve Volume (IRV) is\[2500-3000mL\]. It is an extra amount of air that can be inspired forcibly after a normal inspiration. Vital capacity (VC) is\[4000-4600mL\]. It is: the total maximum volume of air that can be inspired or expired. It is the sum total of tidal volume, inspiratory reserve volume and expiratory reserve volume. Thus \[VC=TV+IRV+ERV\]. Expiratory Reserve Volume (ERV) is\[1000-1100mL\]. It is the extra amount of air that can be expelled after a normal expiration, i.e., forced expiration. Inspiratory capacity (1C) is \[3000-3500mL.\] It is the total volume of air that can be inhaled after a normal expiration. It includes tidal volume and inspiratory reserve volume \[(IC=TV+IRV)\].
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