A patient tells the nurse that she has been working hard for the past 3 months to control her type 2 diabetes mellitus with diet and exercise. To determine the effectiveness of the patient's efforts, the nurse should check:
A) Urine glucose level
B) Fasting blood glucose level
C) Serum fructosamine level
D) Glycosylated hemoglobin level
Ans: D
Feedback: Because some of the glucose in the bloodstream attaches to some of the hemoglobin and stays attached during the 120-day lifespan of red blood cells, glycosylated hemoglobin levels provide information about blood glucose levels during the previous 3 months. Fasting blood glucose and urine glucose levels only give information about glucose levels at the time when they are obtained. Serum fructosamine levels provide information about blood glucose control over the past 2 to 3 weeks.
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