hard · MCAT

A patient in diabetic ketoacidosis (DKA) presents with a blood pH of 7.1.

Given that the pK_a for the bicarbonate buffer system is 6.1, what is the ratio of [HCO₃⁻] to dissolved [CO₂] in this patient's arterial blood?

  1. 1:10
  2. 20:1
  3. 10:1
  4. 100:1

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