What does the RQ represent?

a. Matching of respiration to perfusion
b. Ratio of the moles of CO2 produced to O2 consumed
c. Ratio of O2 consumed to kilograms of ideal body weight
d. Ratio of calories consumed to CO2 pro-duced

ANS: B
The second step in metabolic assessment is to interpret the RQ. The RQ is the ratio of moles of CO2 expired to moles of O2 consumed.