Ventilatory responsiveness to carbon dioxide is usually measured by having the subject breathe an oxygen-rich gas mixture containing progressively higher carbon dioxide concentrations.
(Ventilatory responsiveness to carbon dioxide; is measured; by having the subject breathe an oxygen-rich gas mixture; T:usually) (an oxygen-rich gas mixture; containing; progressively higher carbon dioxide concentrations)
Ventilatory responsiveness to carbon dioxide an oxygen-rich gas mixture
is measured containing
by having the subject breathe an oxygen-rich gas mixture T:usually
progressively higher carbon dioxide concentrations