HY USMLE Q #1101 – Pulmonary

A 12-year-old girl is brought in my ambulance 20 minutes following severe acute wheezing while playing outside in the snow. She is given nebulized albuterol and intravenous methylprednisolone. Which of the following sets of laboratory findings is most likely to be seen in this patient prior to medical intervention?

  pCO2 20 mmHg; HCO3 18 mEq/L
  pCO2 25 mmHg; HCO3 25 mEq/L
  pCO2 30 mmHg; HCO3 32 mEq/L
  pCO2 35 mmHg; HCO3 18 mEq/L
  pCO2 40 mmHg; HCO3 25 mEq/L
  pCO2 45 mmHg; HCO3 32 mEq/L
  pCO2 50 mmHg; HCO3 18 mEq/L
  pCO2 55 mmHg; HCO3 25 mEq/L
  pCO2 60 mmHg; HCO3 32 mEq/L