North Carolina BLET State Exam 2026 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 600

A gram of protein provides how many calories of energy?

2 calories

4 calories

A gram of protein provides 4 calories of energy because proteins, like carbohydrates, are macronutrients that the body utilizes for energy. This consistent value is based on biochemical principles governing how our body metabolizes these macronutrients. Protein plays various roles beyond energy provision, including building and repairing tissues, producing hormones, and supporting immune functions.

The value of 4 calories per gram is a standard reference used in nutrition science to help individuals understand their dietary intake and manage their energy balance effectively. This is crucial for law enforcement personnel and others who have to maintain a balanced diet for optimal physical performance. The other options suggest incorrect caloric values, reflecting a misunderstanding of protein digestion and metabolism.

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6 calories

8 calories

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