Gas exchange — Flashcards

Extrapulmonary restrictive lung diseases are characterized by _____ A-a gradients

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

In response to exercise, there is _____ venous CO2 content

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

In exercise, blood flows faster through the pulmonary capillaries, resulting in it taking a _____ time for capillary O2 concentration to maximize (shorter or longer)?

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

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

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

The Po2 in dry inspired air is normally approximately _____ mmHg