A patient has a dead space of 150 ml, FRC of 2.8 liters, tidal volume (VT) of 550 ml, expiratory reserve volume (ERV) of 1.6 l, total lung capacity (TLC) of 7 l, and respiratory rate of 18 breaths/min. What is the residual volume (RV)?
1200 ml
600 ml
4800 ml
1750ml
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