HY USMLE Q #1138 – Endocrine / Biochemistry

An 8-year-old girl is brought to emergency by her mother for a 1-day history of severe drowsiness and confusion. For the past one week, she has had increased urination, thirst, and slight visual blurring. Two weeks ago, she recovered from a flu-like illness. She is afebrile. Which of the following combinations of findings is most likely to be seen in this patient?