Question: what is the equation for calculating respiratory quotient/respiratory exchange ratio?
Answer: The Respiratory Quotient (RQ) Both carbohydrate and fat are normally oxidized by working muscles during exercise, whereas protein is usually spared. The RQ, which is the rate of CO2 production ( V ˙ CO 2 ) divided by the rate of O2 utilization ( V ˙ O 2 ; Fig.