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Understanding Nutrition – Whitney & Rolfes – Chapter 1 Summary & Key Concepts

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Explore the key concepts from Chapter 1 of Understanding Nutrition by Whitney and Rolfes. This chapter introduces the fundamentals of nutrition, including the six classes of nutrients, the role of food in health, the scientific method in nutrition research, and how dietary choices impact well-being. Ideal for students, dietetics learners, and anyone beginning their journey into nutrition science.

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Understanding Nutrition - Whitney -
Rolfes - Ch 1.
Nutrition - correct answer <<<<<<<<<<<The science of the nutrients in foods and their actions within the
body. A broader definition includes the study of human behaviors related to food and eating.



Foods - correct answer <<<<<<<<<<<Products derived from plants or animals that can be taken into the
body to yield energy and nutrients for the maintenance of life and the growth and repair of tissues



Chronic Diseases - correct answer <<<<<<<<<<<Diseases characterized by slow progression and long
duration. Examples include heart disease, diabetes, and some cancers.



Diet - correct answer <<<<<<<<<<<The foods and beverage a person eats and drinks



Ethnic Foods - correct answer <<<<<<<<<<<Foods associated with particular cultural groups.



Cultural Competence - correct answer <<<<<<<<<<<Having an awareness and acceptance of cultures
and the ability to interact effectively wth people of diverse cultures



Functional Foods - correct answer <<<<<<<<<<<Foods that have a potentially beneficial effect on health
when consumed as part of a varied diet on a regular basis at effective levels.



Phytochemicals - correct answer <<<<<<<<<<<Nonnutrient compounds found in plants. Some
phytochemicals have biological activity in the body.



Energy - correct answer <<<<<<<<<<<The capacity to do work. The energy in food is chemical energy.
The body can convert this chemical energy to mechanical, electrical, or heat energy.

, Nutrients - correct answer <<<<<<<<<<<Chemical substances obtained from food and used in the body
to provide energy, structural materials, and regulating agents to support growth, maintenance, and
repair of the body's tissues. Nutrients may also reduce the risks of some diseases.



Inorganic - correct answer <<<<<<<<<<<Not containing carbon or pertaining to living organisms. The two
classes of nutrients that are inorganic are minerals and water.



Organic - correct answer <<<<<<<<<<<In chemistry, substances or molecules containing carbon-carbon
bonds or carbon-hydrogen bonds that are characteristic of living organisms. The four classes of nutrients
that are organic are carbohydrates, lipids, proteins, and vitamins.



Essential nutrients - correct answer <<<<<<<<<<<Nutrients a person must obtain from food because the
body cannot make them for itself in sufficient quantity to meet physiological needs, also called
indispensable nutrients. About 40 nutrients are currently know to be essential for human beings.



Energy Yielding nutrients - correct answer <<<<<<<<<<<The nutrients that break down to yield energy
the body can use:

-Carbohydrates

-Fats

-Protein



Calories - correct answer <<<<<<<<<<<A measure of heat energy. Energy provided by foods and
beverages is measured in kilocalories. One kcal is the amount of heat necessary to raise the temperature
of 1 kg of water by 1 degree C.



Energy Density - correct answer <<<<<<<<<<<A measure of the energy a food provides relative to the
weight of the food.



Vitamins - correct answer <<<<<<<<<<<Organic, essential nutrients required in small amounts by the
body for health.



Minerals - correct answer <<<<<<<<<<<Inorganic elements. Some minerals are essential nutrients
required in small amounts by the body for health

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