A Client with Poorly Controlled Diabetes Mellitus Presents to the Emergency

A client with poorly controlled diabetes mellitus presents to the emergency department with suspected ketoacidosis. Which of the following diagnostic results would most likely confirm this diagnosis?

A) ^{Low O}2 ^{levels, increased anion gap, base excess}
B) High ammonia levels, decreased anion gap, high potassium
C) Increased anion gap, base deficit
D) Decreased anion gap, decreased urine ammonium level