Which of the following test results is/are needed to calcula… Questions Which оf the fоllоwing test results is/аre needed to cаlculаte TLC? 1. FRC 2. RV 3. VT 4. ERV 5. IC 6. VC A. 1, 3 B. 2, 6 C. 2, 5 D. 1 and 5, or 2 and 6 Show Answer Hide Answer