Which laboratory findings would confirm that a child with insulin-dependent diabetes mellitus (IDDM) is experiencing diabetic ketoacidosis?
a. No urinary ketones
b. Low arterial pH
c. Elevated serum carbon dioxide
d. Elevated serum phosphorus
B
Severe insulin deficiency produces metabolic acidosis, which is indicated by a low arterial pH. Urinary ketones, often in large amounts, are present when a child is in diabetic ketoacidosis. Serum carbon dioxide is decreased in diabetic ketoacidosis. Serum phosphorus is decreased in diabetic ketoacidosis.
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