If expiratory reserve volume is 1100 ml residual volume is 1200 ml and tidal volume is 500 ml, what shall be the functional residual capacity?

1600 ml

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2800 ml

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2300 ml

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1200 ml

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Solution

The correct option is D 2300 ml
Functional Residual Capacity (FRC) is the volume of air that will remain in the lungs after a normal expiration.
This includes expiratory reserve volume plus the residual volume i.e., 1100 ml plus 1200 ml or 2300 ml.
So, the correct answer is '2300 ml'

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Similar questions

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

\begin{matrix} Lung volume & Value 1. Tidal volume & i. 2500-3000 ml 2. Inspiratory reserve volume & ii. 1100-1200 ml 3. Expiratory reserve volume & iii. 500 ml 4. Residual volume & iv. 1000-1100 ml \end{matrix}

Column I	Column II
A. Tidal volume	(i)2500-3000 mL of air
B. Inspiratory reserve volume	(ii) 1000 mL of air
C. Expiratory reserve volume	(iii) 500 mL of air
D. Residual volume	(iv) 3400-4800 mL of air
E. Vital capacity	(v) 1200 mL of air

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