A patient is admitted with diabetic ketoacidosis (DKA). Which combination of lab findings confirms this diagnosis?
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A
Blood glucose 600 mg/dL, pH 7.39, serum osmolality 330 mOsm/kg
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B
Blood glucose 380 mg/dL, pH 7.24, serum ketones positive, anion gap 18
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C
Blood glucose 250 mg/dL, pH 7.32, bicarbonate 22 mEq/L
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D
Blood glucose 180 mg/dL, pH 7.42, HbA1c 9%