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If ERV is 1100 mL and RV is 1200 mL, what is the FRC?
A2300 mL
B600 mL
C1650 mL
D3100 mL
Answer & Solution
Correct answer: A. 2300 mL
FRC equals ERV plus RV, so 1100 + 1200 gives 2300 mL.
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