Ace the ISSA Nutritionist Exam 2025 – Fuel Your Future with Flair!

Question: 1 / 400

A calorie is defined as the amount of energy needed to raise the temperature of how much water by 1 degree Celsius?

500 grams

1 gram

A calorie is defined as the amount of energy required to raise the temperature of 1 gram of water by 1 degree Celsius. This fundamental concept is pivotal in understanding energy and metabolism, as it serves as a basis for measuring heat energy in the context of nutrition. In terms of practical applications, when we consume food, the energy it provides is often measured in calories, highlighting the amount of energy that can be obtained for physiological functions, physical activity, and maintaining body temperature. Understanding this definition helps clarify how we assess dietary intake and energy expenditure, making it vital for anyone studying nutrition or working in health and wellness fields.

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100 grams

50 grams

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