During hourly rounds, the nurse notes a patient’s right heel has an erythematous area that is warm to the touch. The skin is intact but does not blanch with pressure. Which of the following terms is most appropriate for the nurse to use when documenting this finding?

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 patient presents to the emergency department with respiratory distress syndrome. The patient’s respiratory rate is 28 breaths per minute and oxygen saturation is 80% on room air. At the cellular level, the nurse knows which molecule is present in relative overabundance?