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Question

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?

A
1600 ml
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B
2800 ml
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C
2300 ml
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D
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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