Surgical

Question: A 45-year-old man is admitted with severe vomiting for the past 24 hours. His arterial blood gas (ABG) results are as follows:

pH: 7.52

PaCO₂: 6.4 kPa

HCO₃⁻: 38 mmol/L

What is the most likely acid-base disturbance?

A) Metabolic acidosis B) Metabolic alkalosis C) Respiratory acidosis D) Respiratory alkalosis E) Mixed metabolic and respiratory