A patient has a vital capacity of 4200 ml, a functional residual capacity (FRC) of 3300 ml, and an expiratory reserve volume (ERV) of 1500 ml. What is the residual volume (RV)?
A) 5700 ml
B) 2700 ml
C) 1800 ml
D) 7500 ml

Question

Quizplus · Accepted Answer

Once these corrections are made, the RV can be calculated by subtracting the ERV from the FRC according to the following equation: RV = FRC - ERV.

A Patient Has a Vital Capacity of 4200 Ml, a Functional