Certified Personal Trainer (NSCA) Practice Exam 2025 – Complete Prep Guide

Question: 1 / 400

Which three macronutrients are essential in a diet?

Vitamins, minerals, and water

Carbohydrates, proteins, and fats

The essential macronutrients in a diet are carbohydrates, proteins, and fats. These three components are crucial for the body's energy needs, growth, and overall health. Carbohydrates serve as the primary source of energy, fueling both the brain and muscles during physical activity. Proteins are vital for building and repairing tissues, producing enzymes, and supporting various metabolic processes. Fats play a significant role in hormone production, nutrient absorption, and providing a concentrated source of energy.

Understanding the roles of these macronutrients helps in creating a balanced dietary plan to effectively support an individual's fitness goals and overall health. While vitamins, minerals, and water are essential for various body functions, they are classified as micronutrients and are not categorized under macronutrients.

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Sugars, fibers, and proteins

Fats, fiber, and vitamins

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