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Questions and Answers

What is the primary function of nutrients in the body?

To provide energy and support bodily functions (correct)

To increase the volume of food consumed

To enhance flavor in food

To eliminate wastes from the body

Which of the following is NOT a main nutrient?

Carbohydrates

Proteins

Vitamins

Fiber (correct)

How do simple nutrients reach the body's cells?

They are converted into complex nutrients first

They are metabolized in the liver before entering the bloodstream

They bypass digestion and go directly into the cells

They are absorbed by the blood after digestion (correct)

What classification does water fall under when discussing food components?

Inorganic component Signup and view all the answers

What does the study of nutritional sciences primarily focus on?

The interaction of nutrients and health Signup and view all the answers

What is the primary source of energy for the body?

Food ration Signup and view all the answers

Which macronutrient produces the highest amount of energy per gram?

Lipids Signup and view all the answers

What factors can influence energy expenditure in the body?

Age, gender, and physiological state Signup and view all the answers

To achieve energy equilibrium, what must be balanced?

Energy consumption and energy expenditure Signup and view all the answers

How much energy does 1 gram of carbohydrates produce?

17 kJ Signup and view all the answers

Which group has the highest daily energy expenditure?

Women (Pregnant) Signup and view all the answers

What is the primary function of basal metabolism?

To maintain basic bodily functions Signup and view all the answers

What is one benefit of dietary fiber?

Slows down lipid digestion Signup and view all the answers

How is energy released during digestion measured?

By measuring oxygen consumption Signup and view all the answers

Why can't humans digest plant-based dietary fiber?

Deficiency of cellulase enzymes Signup and view all the answers

Which vitamin is considered water-soluble?

Vitamin C Signup and view all the answers

What is a characteristic of fat-soluble vitamins?

They accumulate in the body over time. Signup and view all the answers

Which of the following vitamins is most likely to pose a risk due to accumulation in the body?

Vitamin K Signup and view all the answers

How are excess water-soluble vitamins handled by the body?

They are eliminated via urine. Signup and view all the answers

What is a risk associated with high levels of fat-soluble vitamins?

They can lead to toxic build-up in body organs. Signup and view all the answers