respiratory exchange ratio


res·pi·ra·to·ry ex·change ra·ti·o

the ratio of the net output of carbon dioxide to the simultaneous net uptake of oxygen at a given site, both expressed as moles or STPD volumes per unit of time; in the steady state, respiratory exchange ratio is equal to the respiratory quotient of metabolic processes.

res·pi·ra·to·ry ex·change ra·ti·o

(res'pir-ă-tōr-ē eks-chānj' rā'shē-ō) The ratio of the net output of carbon dioxide to the simultaneous net uptake of oxygen at a given site, both expressed as moles or STPD volumes per unit time.