The test results show the levels of blood glucose secreted during this time. OGTT Diabetes Test This is the oral glucose tolerance test. Diabazole In this, a patient is kept on a fast for at least 8 hours after which they are made to have a glucose containing drink. The test is carried out after 2 hours after drinking the glucose beverage. The glucose secretion in the blood is measured in this test. RPG Test  This is the random plasma glucose test. and consumption of glucose drink beverages.http://www.strongmenmuscle.com/diabazole/