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Question
A patient has a Functional Residual capacity (FRC) of 3 liters, tidal volume (TV) of 650 milliliters, expiratory reserve volume (ERV) of 1.5 liters, total lung capacity (TLC) of 8 liters and respiratory rate of 15 breaths/ min. What is the residual volume (RV)?
A patient has a Functional Residual capacity (FRC) of 3 liters, tidal volume (TV) of 650 milliliters, expiratory reserve volume (ERV) of 1.5 liters, total lung capacity (TLC) of 8 liters and respiratory rate of 15 breaths/ min. What is the residual volume (RV)?
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Solution
The correct option is C 1500 ml
Residual Volume (RV): Volume of air remaining in the lungs even after a forcible expiration.
RV = FRC − ERV
= 3 L − 1.5 L
= 1.5 L
= 1500 ml.
Residual Volume (RV): Volume of air remaining in the lungs even after a forcible expiration.
RV = FRC − ERV
= 3 L − 1.5 L
= 1.5 L
= 1500 ml.
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