When a person exercises, muscle contractions produce lactic acid. Moderate increases in lactic acid can be handled by the blood buffers without decreasing the pH of blood. However, excessive amounts of lactic acid can overload the blood buffer system, resulting in a lowering of the blood pH. A condition called acidosis is diagnosed if the blood pH falls to 7.35 or lower. Assume the primary blood buffer system is the carbonate buffer system described in Exercise 45. Calculate what happens to the [H2CO3]/[HCO3 2] ratio in blood when the pH decreases from 7.40 to 7.35.

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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When a person exercises, muscle contractions produce lactic

acid. Moderate increases in lactic acid can be handled by the

blood buffers without decreasing the pH of blood. However,

excessive amounts of lactic acid can overload the blood buffer

system, resulting in a lowering of the blood pH. A condition

called acidosis is diagnosed if the blood pH falls to 7.35 or

lower. Assume the primary blood buffer system is the carbonate

buffer system described in Exercise 45. Calculate what

happens to the [H2CO3]/[HCO3

2] ratio in blood when the pH

decreases from 7.40 to 7.35.

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