A teenager with type 1 diabetes mellitus presents to the emergency department with worsening illness, vomiting, and fatigue. Upon assessment, the nurse notes a sweet, fruity odor on the patient’s breath and suspects diabetic ketoacidosis (DKA). Which additional symptom(s) would confirm the diagnosis of diabetic ketoacidosis? Select all that apply.

A child suffered burns after pulling a boiling pot of water off the stove. The child’s head, torso, and right arm have third-degree burns. What is the total percentage of body surface area affected in this patient? Input your answer using a whole number.

Following an accidental overdose of acetaminophen, the patient has a lactate level of 5.6 mmol/L. Which compensatory change in the patient will the nurse observe first?