Gas exchange — Flashcards

Increased pCO2 and resulting decrease of pH enhancing the release of O2 from hemoglobin is called the _____ effect

Carbon monoxide binds competitively to Hb and with 200-250x _____ affinity than O2

In _____-limited gas exchange, the gas does not equilibrate by the time blood reaches the end of the capillary

The majority of CO2 transported in blood is in the form of _____ (90%)

The _____ gradient is the driving force for the diffusion of a gas

In exercise, blood is flowing faster through the pulmonary capillaries, resulting it taking a _____ time for capillary O2 concentration to maximize

In response to exercise, there is _____ venous CO2 content

Slow waves originate in the _____, which serve as the pacemaker for GI smooth muscle

The Po2 in dry inspired air is normally approximately _____ mmHg

What is the effect of increased alveolar ventilation on arteriolar (and alveolar) Pco2?_____