HY USMLE Q #1098 – Acid/base

A 16-year-old girl is brought to emergency by her mother 4 hours after ingesting a bottle of aspirin in a suicide attempt. Which of the following sets of laboratory findings is most likely to be seen in this patient? (units of mEq/L)

  Na+ 130; K+ 4.2; Cl– 100; HCO3– 20
  Na+ 133; K+ 4.8; Cl– 96; HCO3– 18
  Na+ 135; K+ 3.0; Cl– 108; HCO3– 18
  Na+ 139; K+ 3.8; Cl– 103; HCO3– 28
  Na+ 143; K+ 4.0; Cl– 98; HCO3– 30