A patient in diabetic ketoacidosis is very lethargic and has a "funny" odor to his breath.The nurse would suspect this to be a result of

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Acid ketones dissociate and yield hydrogen ions (H⁺)that accumulate and precipitate a fall in serum pH.The level of serum bicarbonate also decreases consistent with a diagnosis of metabolic acidosis.Breathing becomes deep and rapid (Kussmaul respirations)to release carbonic acid in the form of carbon dioxide.Acetone is exhaled, giving the breath its characteristic "fruity" odor.

A Patient in Diabetic Ketoacidosis Is Very Lethargic and Has