A Patient with Type 2 Diabetes Is Admitted

A patient with type 2 diabetes is admitted.He is very lethargic and hypotensive.A diagnosis of hyperglycemic hyperosmolar syndrome (HHS) is made based on laboratory values of

A) decreased serum glucose and increased serum ketones.
B) increased urine ketones and decreased serum osmolality.
C) increased serum osmolality and increased serum potassium.
D) increased serum osmolality and increased serum glucose.