Nutrition Basics Chapter 1
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Questions and Answers

Biochemical reactions in the body help to release the energy contained in what?

macronutrients

Energy is used to maintain body functions and fuel what?

physical work

If more energy is consumed than is needed, overtime body weight will decrease.

False (B)

Most of the body weight is what?

<p>fat, water, and protein</p> Signup and view all the answers

Proteins form what that holds bones together and attach muscles to bones?

<p>ligaments and tendons</p> Signup and view all the answers

Lipids and proteins make the membranes that surround what?

<p>cells</p> Signup and view all the answers

All the reactions that occur in the body are called what?

<p>metabolism</p> Signup and view all the answers

The proper regulation of metabolism is called what?

<p>homeostasis</p> Signup and view all the answers

What helps to speed up or slow down metabolic reactions?

<p>proteins, vitamins, and minerals</p> Signup and view all the answers

What are the best source for amino acids?

<p>whole foods</p> Signup and view all the answers

Water makes up what percentage of the human body?

<p>60%</p> Signup and view all the answers

Water is stored as muscles.

<p>False (B)</p> Signup and view all the answers

What provides metabolism for the body but are necessary for proper functioning of the body?

<p>micronutrients</p> Signup and view all the answers

What is needed for bone strength, the transport of oxygen, the transmission of nerve impulses, and other functions?

<p>minerals</p> Signup and view all the answers

Fresh foods are a good natural source of what?

<p>micronutrients</p> Signup and view all the answers

What percentage of a lean adult male is minerals, carbohydrate and other substance?

<p>6% (C)</p> Signup and view all the answers

What percentage of a lean adult male is fat?

<p>16% (A)</p> Signup and view all the answers

What percentage of a lean adult male is proteins?

<p>16% (C)</p> Signup and view all the answers

What nutrients work together to help the body stay healthy?

<p>macronutrients and micronutrients</p> Signup and view all the answers

What does malnutrition mean?

<p>eating too little or too much of one or more nutrients</p> Signup and view all the answers

Undernutrition is caused when eating insufficient amounts of what?

<p>energy-providing foods or nutrients</p> Signup and view all the answers

Overnutrition is malnutrition caused by eating an excess of what?

<p>energy-providing foods</p> Signup and view all the answers

What is a measure of the nutrient a food provide compared to its energy content?

<p>nutrient density</p> Signup and view all the answers

Broccoli is more nutrient dense than fries.

<p>True (A)</p> Signup and view all the answers

How many classes of nutrients are there?

<p>6</p> Signup and view all the answers

What are large, carbohydrate, lipids, and proteins called?

<p>macronutrients</p> Signup and view all the answers

What are small, vitamins and minerals called?

<p>micronutrients</p> Signup and view all the answers

What provides a readily available source of energy to the body?

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

Carbohydrates are primarily stored as what in skeletal muscle and liver?

<p>glycogen</p> Signup and view all the answers

Foods high in saturated fatty acid increases the risk of what?

<p>diseases</p> Signup and view all the answers

Foods high in unsaturated fatty acid lower or may help prevent what?

<p>diseases</p> Signup and view all the answers

Proteins are required for what?

<p>growth, maintenance and repair the body</p> Signup and view all the answers

Proteins cannot supply energy.

<p>False (B)</p> Signup and view all the answers

Proteins help regulate what?

<p>hormones</p> Signup and view all the answers

Proteins or amino acids are what of life?

<p>building block</p> Signup and view all the answers

The body needs how many amino acids to function correctly?

<p>20</p> Signup and view all the answers

Flashcards

Classes of Nutrients

There are 6 classes: carbohydrates, lipids, proteins, water, vitamins, and minerals.

Macronutrients

Carbohydrates, lipids, and proteins that provide energy and building blocks.

Micronutrients

Vitamins and minerals that support body functions but do not provide energy.

Function of Carbohydrates

Provide readily available energy; stored as glycogen and converted to fat.

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Glycogen Storage

Carbohydrates stored primarily in skeletal muscle and liver.

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Lipids Overview

Fats stored throughout the body; can be saturated or unsaturated.

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Saturated Fatty Acids

Increase risk of diseases; found in solid fats like butter.

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Unsaturated Fatty Acids

Help lower disease risk; typically found in oils and fish.

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Protein Functions

Essential for growth, repair, hormone regulation, and energy supply.

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Amino Acids

20 total, necessary for body function and protein synthesis.

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Malnutrition

Unbalanced diet leading to either under or over-consumption of nutrients.

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Undernutrition

Insufficient intake of energy-providing foods or nutrients.

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Overnutrition

Excess intake of energy-providing foods leading to health issues.

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Factors Affecting Food Availability

Includes age, genetics, health, social class, and more.

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Nutrient Density

Measure of nutrients a food provides compared to its energy content.

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Whole Foods

Best sources for amino acids; minimally processed foods.

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Water in Body

Constitutes about 60% of the human body; vital for all functions.

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Role of Micronutrients

Support metabolism and are necessary for proper body function.

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Minerals

Essential for bone strength and nerve impulse transmission.

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Biochemical Reactions

Processes that release energy from macronutrients for body functions.

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Energy Balance

Balance between energy consumed and energy used impacts weight.

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Body Composition

Most body weight consists of fat, water, and proteins.

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Metabolism

All chemical reactions in the body, maintaining homeostasis.

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Homeostasis

Regulation of bodily functions for stability; often tied to metabolism.

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Protein Structure Role

Proteins form ligaments and tendons, connecting body parts.

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Regulating Metabolism

Proteins, vitamins, and minerals help manage metabolic speed.

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Nutrition and Health

Proper nutrient balance is essential for overall health.

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Study Notes

Chapter 1

  • Six classes of nutrients: carbohydrates, lipids, proteins, water, vitamins, and minerals
  • Carbohydrates, lipids, and proteins are called macronutrients
  • Vitamins and minerals are called micronutrients

Carbohydrates

  • Carbohydrates provide a readily available source of energy to the body
  • Carbohydrates are primarily stored as glycogen in skeletal muscle and liver, glucose get stored as body fat

Lipids

  • Fats get stored everywhere in the body
  • Foods high in saturated fatty acid increases the risk of diseases
  • Foods high in unsaturated fatty acid lower or may help prevent the diseases

Proteins

  • Proteins are required for growth, maintenance, and repair of the body
  • Proteins can also supply energy
  • Proteins help regulate hormones
  • Proteins or amino acids are building blocks of life
  • The body needs 20 amino acids to function correctly

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Description

Explore the six classes of nutrients and their functions in this quiz on Nutrition Basics. Discover the importance of macronutrients like carbohydrates, lipids, and proteins, as well as micronutrients such as vitamins and minerals. Test your knowledge on how these nutrients impact health and energy storage.

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