What is the energy yield of alcohol and its metabolic impact on nutrient balance?

• A. Alcohol provides 4 kcal/g; it's metabolized slowly.
• B. Alcohol provides 9 kcal/g and has no metabolic impact.
• C. Alcohol provides 7 kcal/g; is metabolized preferentially and can disrupt lipid metabolism and nutrient absorption, potentially causing negative nitrogen balance.
• D. Alcohol provides 0 kcal/g.

Answer: (C)