Question

Match the items given in column I with those in column II and select correct option given below: Column I Column II a. Tidal volume (i ) 2500 - 3000 mL b. Inspiratory reserve volume (ii) 1100 - 1200 mL c. Expiratory reserve volume (iii ) 500 - 550 mL d. Residual volume (iv) 1000 - 1100 mL

A
a( i) ., b( iv) ., c( ii)., d( iii)
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B
a(iii)., b( i)., c( iv) ., d( ii)
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C
a( iii)., b( ii)., c( i)., d(iv)
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D
a(iv)., b( iii)., c( ii)., d(i)
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Solution

The correct option is B a(iii)., b( i)., c( iv) ., d( ii) Tidal volume is the lung volume representing the normal volume of air displaced between normal inhalation and exhalation when extra effort is not applied. In a healthy, young human adult, tidal volume is approximately 500 - 550 mL per inspiration. Inspiratory reserve volume: the maximal amount of additional air that can be drawn into the lungs by determined effort. The IRV is between 2500-3000 mL: in human beings. Expiratory reserve volume: the additional amount of air that can be expired from the lungs by determined effort after normal expiration.The average ERV volume is about 1000 - 1100 mL. Residual volume is the amount of air that remains in a person's lungs after fully exhaling. Residual volume (RV), about 1,100 -1,200 mL.

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