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  4. The inspiratory reserve volume + tidal volume + expiratory reserve volume is same as

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Q. The inspiratory reserve volume + tidal volume + expiratory reserve volume is same as

AMUAMU 2013

Solution:

Inspiratory Reserve Volume + Tidal Volume + expiratory reserve volume will be the same as inspiratory capacity + residual volume as IRV + TV + ERV = Inspiratory Capacity ($1\,C$) + RV Tidal volume is approximately $500 \,mL$ in a healthy person. Inspiratory reserve volume averages $2500+3000\, mL$ inspiratory reserve volume averages $1000\, mL$ to $1100 \,mL$ Residual volume is $1100 \,mL$ to $1200\, mL$ Inspiratory reserve capacity of a person is the total volume of a person can inspire after a normal inspiration and is equal to Tidal Volume (TV) and expiratory reserve volume. So, IRV $(3000)$ + TV $(500) + 1100$ TV + IRV (IC) + RV $4600=500+3000+1100=4600$ LHS = RHS