College Answer

A good answer would have best been served by a tabular structure and some understanding 
of the information required. One system of classification of oral hypoglycaemic drugs is by 
their mechanism of action, or drug group e.g. Biguanides, Sulfonylureas, Thiazolidinediones, 
Alpha-glucosidase inhibitors, Meglitinides and Dipeptidyl peptidase (DPP) -IV inhibitors.