The clinical findings of a client with diabetes mellitus show decreased glucose tolerance. Which complication is anticipated in the client?

Frequent yeast infections.

Explanation:

The two hormones insulin and glucagon hormones maintains the blood glucose level in the body. These hormones are released by the alpha cells and beta cells of the pancreas.

The inadequate amount of the insulin secretion can cause the development of Diabetes Mellitus in the individual. The client shows decrease glucose tolerance. This might cause due to the yeast infection in the client's body as the yeast consumes too much sugar.

Thus, the answer is frequent yeast infections.