Gas exchange — Flashcards

Factors that shift the O2-Hb dissociation curve to the _____ favor the taut form of hemoglobin

One major effect of thyroid hormone is increased _____ with a resultant increase in BMR and body temperature, due to increased Na/K+-ATPase activity

The diffusion coefficient (DK) for CO2 is approximately 20x _____ than that of O2

If CO2 production is constant, then the arterial and alveolar Pco2 is determined by _____

According to Fick's law, the rate of diffusion of a gas (Vgas) is equal to: _____

When using the alveolar gas equation, the respiratory quotient (R) is equal to the ratio of _____ / _____

_____ O2 binding to hemoglobin causes increased affinity for CO2 and H+ (Haldane effect)

The lung diffusing capacity (DL) can be measured with _____ because it is exclusively diffusion-limited

Is the A - a gradient normal, increased, or decreased, in response to diffusion defects (e.g. fibrosis, pulmonary edema)? _____

CO exhibits _____-limited gas exchange