CO2 and Acid-Base Balance (PK7) Flashcards

1
Q

Henderson-Hasselbach equation

A

pH = pK + log[A-] / [HA]

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2
Q

Why is the CO2/HCO3- buffer system used when considering blood?

A
  • High concentrations
  • Easy to measure
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3
Q

What are each of CO2 and HCO3- regulated by?

A
  • CO2 = lungs
  • HCO3- = kidneys
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4
Q

Modified Henderson-Hasselbach equation using [HCO3-] and PCO2

A

pH = pK’ + log[HCO3-] / [PCO2 x 0.23 (solubility constant)]

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