A patient with type 1 diabetes has told the nurse that his most recent urine test for ketones was positive. What is the nurse's most plausible conclusion based on this assessment finding?
A) The patient should withhold his next scheduled dose of insulin.
B) The patient should promptly eat some protein and carbohydrates.
C) The patient's insulin levels are inadequate.
D) The patient would benefit from a dose of metformin (Glucophage).
Ans: C
Feedback:
Ketones in the urine signal that there is a deficiency of insulin and that control of type 1 diabetes is deteriorating. Withholding insulin or eating food would exacerbate the patient's ketonuria. Metformin will not cause short-term resolution of hyperglycemia.
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