Which laboratory values should the nurse expect in a patient with diabetic ketoacidosis?
A) Plasma glucose level of 200 mg/dL
B) Ketonuria
C) Serum bicarbonate > 18 mEq/L
D) Arterial pH > 7.3
B) Ketonuria
Explanation: A) The diagnosis of DKA is based on laboratory criteria that reflect hyperglycemia, ketosis, and metabolic acidosis, particularly these three: (1) plasma glucose greater than 250 mg/dL, (2) presence of ketones in serum or urine, and (3) presence of acidosis (serum bicarbonate < 18 mEq/L and/or an arterial pH 6 7.3 and an elevated anion gap).
B) The diagnosis of DKA is based on laboratory criteria that reflect hyperglycemia, ketosis, and metabolic acidosis, particularly these three: (1) plasma glucose greater than 250 mg/dL, (2) presence of ketones in serum or urine, and (3) presence of acidosis (serum bicarbonate <18 mEq/L and/or an arterial pH 6 7.3 and an elevated anion gap).
C) The diagnosis of DKA is based on laboratory criteria that reflect hyperglycemia, ketosis, and metabolic acidosis, particularly these three: (1) plasma glucose greater than 250 mg/dL, (2) presence of ketones in serum or urine, and (3) presence of acidosis (serum bicarbonate < 18 mEq/L and/or an arterial pH 6 7.3 and an elevated anion gap).
D) The diagnosis of DKA is based on laboratory criteria that reflect hyperglycemia, ketosis, and metabolic acidosis, particularly these three: (1) plasma glucose greater than 250 mg/dL, (2) presence of ketones in serum or urine, and (3) presence of acidosis (serum bicarbonate <18 mEq/L and/or an arterial pH 6 7.3 and an elevated anion gap).
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