Which information should the nurse include when teaching a patient about fasting blood glucose level testing?
1. "Your test is scheduled for 6:00 a.m., so do not eat or drink anything after midnight.".
2. "After the sample is drawn you will be asked to drink a sweet liquid.".
3. "This test will indicate your average blood sugar over the last 2 months.".
4. "The fasting glucose must be 100 or under to be normal."
4
Rationale 1: Fasting blood glucose testing requires fasting for at least 10 hours before the sample is drawn.
Rationale 2: Drinking a sweet liquid is required for a glucose tolerance test.
Rationale 3: Hemoglobin A1C indicates average blood sugar over the last 1 to 3 months.
Rationale 4: The normal value for fasting glucose is 60 to 100 mg/dL.
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