7. Acid/Base, ABG Flashcards

1
Q

3 factors affecting % saturation?

A
  • Hgb
  • Amount of O2 available to Hgb in lungs
  • Affinity of Hgb for O2
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2
Q

Most powerful but slowest buffer system

A

Renal system

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3
Q

Most important buffer of INTRACELLULAR compartment

A

Phosphate buffer system

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4
Q

Most effective buffer in urine

A

Phosphate buffer system

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5
Q

Most important buffer of EXTRACELLULAR system

A

Carbonic acid/bicarbonate buffer system

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6
Q

When is a blood buffer most effective in minimizing change in pH?

A

When pKa = pH of blood

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