Nutrition Basics Quiz
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Questions and Answers

What is nutrition?

The process by which the body takes in and uses food.

What are calories?

The units of heat that measure the energy used by the body and the energy that foods supply to the body.

What are nutrients?

The substances in food that your body needs to grow, to repair itself, and to supply you with energy.

What is hunger?

<p>A natural physical drive that protects you from starvation.</p> Signup and view all the answers

What is appetite?

<p>A desire, rather than a need, to eat.</p> Signup and view all the answers

What are carbohydrates?

<p>The starches and sugars present in foods.</p> Signup and view all the answers

What are sugars?

<p>Simple carbohydrates.</p> Signup and view all the answers

What are starches?

<p>Complex carbohydrates.</p> Signup and view all the answers

What is fiber?

<p>An indigestible complex carbohydrate.</p> Signup and view all the answers

What are proteins?

<p>Nutrients that help build and maintain body cells and tissues.</p> Signup and view all the answers

What are complete proteins?

<p>Proteins that contain adequate amounts of all nine essential amino acids.</p> Signup and view all the answers

What are incomplete proteins?

<p>Proteins that lack one or more of the essential amino acids.</p> Signup and view all the answers

What is a lipid?

<p>A fatty substance that does not dissolve in water.</p> Signup and view all the answers

What are essential fatty acids?

<p>Fatty acids that the body needs, but cannot produce.</p> Signup and view all the answers

What is a saturated fatty acid?

<p>A fatty acid that holds all the hydrogen atoms it can.</p> Signup and view all the answers

What is an unsaturated fatty acid?

<p>A fatty acid that has at least one unsaturated bond - a place where hydrogen can be added to the molecule.</p> Signup and view all the answers

What is linoleic?

<p>An essential fatty acid that is needed for growth and healthy skin.</p> Signup and view all the answers

What is cholesterol?

<p>A waxy lipid-like substance that circulates in blood.</p> Signup and view all the answers

What are vitamins?

<p>Compounds that help regulate many vital body processes, including the digestion, absorption, and metabolism of other nutrients.</p> Signup and view all the answers

What are minerals?

<p>Substances that the body cannot manufacture but that are needed for forming healthy bones and teeth and for regulating many vital body processes.</p> Signup and view all the answers

Study Notes

Nutrition Basics

  • Nutrition is the process of taking in and utilizing food for bodily functions.
  • Food provides essential energy measured in calories, which reflect the heat units used by the body.

Understanding Nutrients

  • Nutrients are vital substances derived from food, necessary for growth, repair, and energy supply.
  • There are two primary drives related to eating:
    • Hunger is a natural physical need that prevents starvation.
    • Appetite is a psychological desire to eat, independent of the body's actual needs.

Carbohydrates

  • Carbohydrates consist of:
    • Sugars: Simple forms of carbohydrates that provide quick energy.
    • Starches: More complex carbohydrates that provide sustained energy.
    • Fiber: An indigestible form of complex carbohydrate beneficial for digestion.

Proteins

  • Proteins are crucial nutrients needed for building and maintaining body cells and tissues.
  • They are categorized into:
    • Complete Proteins: Contain all nine essential amino acids required by the body.
    • Incomplete Proteins: Lacking one or more essential amino acids, typically found in plant-based sources.

Fats

  • Lipids are fatty substances that do not dissolve in water, essential for various body functions.
  • Fat types include:
    • Essential Fatty Acids: Necessary for health but not synthesized by the body.
    • Saturated Fatty Acids: Fully saturated with hydrogen atoms.
    • Unsaturated Fatty Acids: Contain one or more unsaturated bonds, allowing for hydrogen addition.

Specific Fatty Acids

  • Linoleic Acid is an essential fatty acid important for growth and maintaining healthy skin.

Cholesterol

  • Cholesterol is a waxy substance found in blood that is vital for hormone production and cell membrane integrity.

Vitamins and Minerals

  • Vitamins are compounds that regulate numerous body processes, including nutrient metabolism.
  • Minerals are inorganic substances necessary for building strong bones and teeth and regulating body functions, which the body cannot produce on its own.

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Description

Test your knowledge on the fundamentals of nutrition, including the roles of carbohydrates, proteins, and essential nutrients. This quiz covers key concepts about how food impacts bodily functions and the distinction between hunger and appetite.

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