Which one of the following statements describes diabetes mellitus: September 2007

Ans. B: Fasting blood sugar value more than 200 mg/100mlIn oral glucose tolerance test, time taken for blood glucose level to fall back to control value is more impoant. Blood glucose values return back to below normal in non diabetics in about 2 hours whereas blood glucose in diabetics fall back to control only after 4-6 hours and it fails to fall below the control level.Control level is the value before the test was undeaken