Effect of Rate of Tissue Metabolism and Tissue Blood Flow on Interstitial PCO2. Tissue capillary blood flow and tissue metabolism affect the Pco2 in ways exactly opposite to their effect on tissue Po2. Figure 40-7 shows these effects, as follows:

1. A decrease in blood flow from normal (point A) to one quarter normal (point B) increases peripheral tissue Pco2 from the normal value of 45 mm Hg to an elevated level of 60 mm Hg. Conversely, increasing the blood flow to six times normal (point C) decreases the interstitial

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Brain Blaster

Brain Blaster

Have you ever been envious of people who seem to have no end of clever ideas, who are able to think quickly in any situation, or who seem to have flawless memories? Could it be that they're just born smarter or quicker than the rest of us? Or are there some secrets that they might know that we don't?

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