What laboratory test is the preferred screening test for diabetes in children and nonpregnant adults?
a. FPG
b. ECG
c. GTT
d. A1c
ANS: A
The fasting plasma glucose (FPG) is the preferred test used to screen for diabetes in children and nonpregnant adults. Electrocardiograms (ECGs) are used to monitor electrical activity of the heart. The GTT is not recommended for routine clinical use but may be required in the evaluation of patients with impaired fasting glucose or when diabetes is still suspected, despite a normal FPG, as with the postpartum evaluation of women with gestational diabetes mellitus. The A1c test is used to monitor diabetes management over 90-day intervals, the life of a red blood cell.
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