Which statement correctly distinguishes ketosis from ketoacidosis?

• A. Ketosis refers to ketone production caused exclusively by diabetes, whereas ketoacidosis only occurs in healthy individuals on low-carb diets.
• B. Ketosis is the process of converting carbohydrates to ketones during overfeeding, and ketoacidosis is the beneficial correction of blood pH by ketones.
• C. Ketosis is a controlled increase in ketone production used as alternative fuel during low carbohydrate availability; ketoacidosis is an uncontrolled, excessive ketone accumulation that lowers blood pH to dangerous levels.
• D. Ketosis means zero ketone production and normal pH, while ketoacidosis means mild ketone production with no pH change.

Answer: (C)