The nurse notes the laboratory testing performed on a 78-year-old patient reveal

4 -- Older adults with diabetes might not present with the classic symptoms of polyuria, polyphagia, or polydipsia. Symptoms of diabetes in older patients can include hypotension, periodontal disease, infections, and strokes. A slight elevation in serum glucose level warrants further investigation. In an adequately functioning endocrine system, dietary intake is managed by the needed amounts of insulin produced by the pancreas. There is no reason to question the laboratory results at this time. There is inadequate information to make a diagnosis of type 1 diabetes mellitus.