GKFix MCQ Question

What components make up functional residual capacity (FRC)?

• A. Tidal Volume (TV) + Inspiratory Reserve Volume (IRV)
• B. Tidal Volume (TV) + Expiratory Reserve Volume (ERV)
• C. Expiratory Reserve Volume (ERV) + Residual Volume (RV)
• D. Residual Volume (RV) + Vital Capacity (VC)