Investigating The Serum Glucose Tests Used For Diabetes Mellitus : Fasting, Postprandial, And Oral Glucose Tolerance Test

1450 Words Sep 23rd, 2015 6 Pages
PART 1: Questions
1. Describe the following serum glucose tests used to help diagnose diabetes mellitus: fasting, postprandial, and oral glucose tolerance test.
Diabetes Mellitus is an endocrine disorder characterised by the body’s inability to produce insulin or the ineffective use of insulin present in the body. The major classifications include type 1, type 2, and gestational diabetes (Day, Paul, & Williams, 2016). While early signs and symptoms of diabetes mellitus may be present in individuals, the healthcare provider must perform several diagnostic tests in order to properly diagnose the disease and come up with a plan of treatment. There are a variety of serum glucose tests available to help diagnose prediabetes and diabetes mellitus (Day et al., 2016).
Appropriately named, a fasting test is conducted after a period of at least 8 hours where the patient has had no caloric intake with the exception of water (Day et al., 2016). Fasting during wake hours can be detrimental to diabetic patients. Therefore an ideal time to conduct this test is first thing in the morning (Day et al., 2016). “A fasting plasma glucose (FPG) level of 7.0 mmol/L or more constitutes the diagnosis of diabetes” (Day et al., 2016, p. 1301).
On the opposite side of the spectrum is the postprandial testing. This test is conducted 2 hours after a meal consisting of a regulated amount of carbohydrates. The postprandial test monitors how effective the body is at breaking down glucose and using it as…

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