Which of the following volumes or capacities cannot be measured by simple spirometry?
1) Functional residual capacity (FRC)
2) Expiratory reserve volume (ERV)
3) Residual volume (RV)
4) Inspiratory reserve volume (IRV)
A)1, 3, and 4 only
B)1, 2, 3, and 4
C)1 and 3 only
D)1 and 4 only

Question

Quizplus · Accepted Answer

FRC and RV cannot be measured by simple spirometry as they require additional techniques such as gas dilution or body plethysmography. ERV and IRV can both be measured by simple spirometry.

Which of the Following Volumes or Capacities Cannot Be Measured