An Adolescent Patient Is Brought to an Urgent-Care Center with Complaints

An adolescent patient is brought to an urgent-care center with complaints of increasing weakness and persistent vomiting of 3 days' duration.Which findings in a blood gas analysis should a nurse expect as a result of the patient's history of persistent vomiting?

A) pH 7.32; PCO₂ 50 mm Hg; HCO₃ 20 mEq
B) pH 7.40; PCO₂ 40 mm Hg; HCO₃ 23 mEq
C) pH 7.47; PCO₂ 44 mm Hg; HCO₃ 30 mEq
D) pH 7.60; PCO₂ 30 mm Hg; HCO₃ 24 mEq