A 55-year-old female presents to her primary care provider and reports dizziness, confusion, and tingling in the extremities. Blood tests reveal an elevated pH, decreased PCO2, and slightly de-creased HCO3
Which of the following is the most likely diagnosis?
a. Respiratory alkalosis with renal compensa-tion
b. Respiratory acidosis with renal compensa-tion
c. Metabolic alkalosis with respiratory com-pensation
d. Metabolic acidosis with respiratory com-pensation
ANS: A
With an elevated pH, the diagnosis must be alkalosis. Since the PCO2 is low, it is likely respira-tory, with a slight decrease in HCO3 indicating renal compensation.
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