A 78-Year-Old Patient Without Polyuria, Polydipsia, or Polyphagia Has a Serum

A 78-year-old patient without polyuria, polydipsia, or polyphagia has a serum glucose level of 130 mg/dL. What should the nurse conclude about this patient?

A) The patient might have eaten a meal with high sugar content prior to the testing.
B) The laboratory results might be erroneous.
C) The patient has type 1 diabetes mellitus.
D) The patient will need to be assessed for other manifestations of diabetes.