Zoology-Gas Exchange
NEET Zoology Gas Exchange MCQ Question
Type: MCQ-numerical-Easy-Class 11
If the Expiratory Reserve Volume (ERV) of a person is 1000 mL, and the Residual Volume (RV) is 1200 mL, what is their Functional Residual Capacity (FRC)?
A
2200 mL
B
1000 mL
C
1200 mL
D
2000 mL
Correct Answer
Option A
Detailed Explanation
Functional Residual Capacity (FRC) is the volume of air that remains in the lungs after a normal expiration and is calculated by adding the Expiratory Reserve Volume (ERV) to the Residual Volume (RV). Therefore, FRC = ERV + RV = 1000 mL + 1200 mL = 2200 mL.
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