[Expert Solution]: A 46-year-old man with suspected diabetes…

A 46-year-old man with suspected diabetes mellitus has an oral glucose tolerance test, following the standard WHO protocol. The following results are obtained: Time (hours) Blood glucose (mmol/l) 0 5.7 2 7.6 How should these results be interpreted? Normal Impaired fasting glucose and impaired glucose tolerance Diabetes mellitus Impaired glucose tolerance Impaired fasting glucose