A patient has a blood gas result of: pH 7.29, PaCO2 of 60 mm Hg, and a HCO3 of 18 mEq/L. What is the blood gas indicating?
1. It is indicating a combined acidosis.
2. Patient has a primary respiratory and a primary metabolic disorder.
3. Compensation is not possible.
a. 3 only
b. 1 and 2 only
c. 2 and 3 only
d. 1, 2, and 3
ANS: D
A mixed acid-base disorder has two primary acid-base problems, which is indicated by the low pH caused by a high PaCO2 and a low HCO3.
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