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Lecture 23 12-02-10

1 log hco3 co2 at normal arterial ph 74 hco3

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Unformatted text preview: log [HCO3-] / [CO2] At normal arterial pH = 7.4, [HCO3-] / [CO2] = 20:1 Respiratory system regulates CO2 Kidneys regulate HCO3- Respiratory System in Acid-Base Balance Acid Alkalosis versus acidosis Respiratory versus metabolic Examples: Hyperventilation Hyperventilation Breath-holding respiratory alkalosis respiratory respiratory acidosis Chemoreceptor Reflex Chemoreceptor Arterial CO2, mainly through arterial H+, is through is much more important than O2 in the control of in respiration. respi...
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