A client with diabetes mellitus has a glycosylated hemoglobin A1C level of 9%. On the basis of this test result, the nurse plans to reinforce teaching the client about the need for which measure?  1....

A client with diabetes mellitus has a glycosylated hemoglobin A1C level of 9%. On the basis of this test result, the nurse plans to reinforce teaching the client about the need for which measure?

 1. Avoiding infection 2. Taking in adequate fluids 3. Preventing and recognizing hypoglycemia 4. Preventing and recognizing hyperglycemia