Inspiratory reserve volume averages
A500 to 600 mL
B1000 to 1100 mL
C1100 to 1200 mL
D2500 to 3000 mL
Answer & Solution
Correct answer: D. 2500 to 3000 mL
IRV, the extra air taken by forcible inspiration, averages 2500 to 3000 mL.
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