Chapter 2, Problem 16RQ

If a patient produces a flow rate of 5 L/sec during a forced exhalation by generating a transrespiratory pressure of 20 cm ${\text{H}}_{\text{2}}\text{O}$, what is the patient's ${\text{R}}_{\text{aw}}$?

A. $$

B. ${\text{2 cm H}}_{\text{2}}\text{O/Lsec}$

C. ${\text{3 cm H}}_{\text{2}}\text{O/Lsec}$

D. ${\text{4 cm H}}_{\text{2}}\text{O/Lsec}$