This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Non communicable diseases, Subject name: Social & Preventive Medicine
WHO criteria for diagnosis of diabetes is - 
Select and explain. 
A. Venous blood fasting sugar 140 to 200 mg/100ml, B. Venous blood fasting sugar 120 to 180 mg/100ml, C. Venous blood fasting sugar 120 to 200 mg/100ml, D. Venous blood fasting sugar 140 to 180 mg/100ml
B: Venous blood fasting sugar 120 to 180 mg/100ml
Answer: B: Venous blood fasting sugar 120 to 180 mg/100ml 
Explanation: WHO GUIDELINES FOR DIAGNOSIS OF DIABETES MELLITUS CUT-OFF (mmol/L) CUT-OFF (mg/dl) Diabetes Fasting plasma glucose >= 7mmol/L >=126mg/dL 2-hour plasma glucose >11.1 mmol/L >200mg/dL Impaired glucose tolerance Fasting plasma glucose <7 mmol/L <126 mg/dL 2-hour plasma glucose 7.8-11.1 mmol/L 140-200mg/dL Impaired fasting glucose Fasting plasma glucose 6.1-6.9 mmol/dL 110-125 mg/dL 2-hour plasma glucose <7.8 mmol/dL <140 mg/dL Ref: Park 25th edition Pgno : 414