Which laboratory test measures blood glucose levels in a blood sample after the patient refrains from eating food for at least 8 hours?
A) Insulin tolerance test
B) Thyroid function test
C) Total calcium test
D) Glucose tolerance test
E) Fasting blood glucose

Question

Quizplus · Accepted Answer

The laboratory test that measures blood glucose levels in a blood sample after the patient refrains from eating food for at least 8 hours is the fasting blood glucose test. This test is used to diagnose diabetes and monitor blood sugar levels in people with diabetes. A fasting blood glucose level of 126 mg/dL or higher on two occasions is diagnostic of diabetes.

Which Laboratory Test Measures Blood Glucose Levels in a Blood