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Questions and Answers
Which nutrients are considered energy-yielding?
Which nutrients are considered energy-yielding?
- Carbohydrates, fat, protein (correct)
- Fiber, antioxidants, enzymes
- Sugars, starches, cholesterol
- Vitamins, minerals, water
What is the energy content of alcohol per gram?
What is the energy content of alcohol per gram?
- 5 kcal
- 3 kcal
- 7 kcal (correct)
- 10 kcal
Is alcohol considered a nutrient?
Is alcohol considered a nutrient?
- Yes, it is a nutrient
- It is a non-essential nutrient
- It is a macronutrient
- No, it is not a nutrient (correct)
What do cells throughout the body require chemical energy for?
What do cells throughout the body require chemical energy for?
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What does every chemical reaction in the body either require or release?
What does every chemical reaction in the body either require or release?
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What keeps the body warm by being released as heat?
What keeps the body warm by being released as heat?
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Study Notes
Energy and Nutrients
- Carbohydrates, proteins, and fats are considered energy-yielding nutrients.
- Alcohol has an energy content of 7 kcal/g (kilocalories per gram).
Energy in the Body
- Cells throughout the body require chemical energy for various functions, such as muscle contraction, nerve impulses, and biosynthesis.
- Every chemical reaction in the body either requires or releases energy.
- Energy is often released as heat, which helps keep the body warm.
Nutritional Status of Alcohol
- Alcohol is not considered a nutrient, despite providing energy, as it lacks nutritional value and cannot be used to build or repair tissues.
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