Chapter 1 - Overview of Nutrition

Question 1

What is nutrition?

Answer 1

The science of foods and the nutrients in foods, and the action of nutrients within the body

Question 2

Why is nutrition important to study?

Answer 2

There is a link between diet and health incomes. Nutrition is dependent on many variables which makes adapting it to different populations is important.

Question 3

What are variables that affect nurtition?

Answer 3

social (ex. community), economics, culture, and psychological

Question 4

Define

Nutrients

Answer 4

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

Question 5

What are the six classes of nutrients?

Answer 5

carbohydrates, proteins, fats, vitamins, minerals, and water

Question 6

Define

Essential nutrients and non-essential nutrients

Answer 6

Essential: Nutrients the body cannot sythesize thus must derive from food
Non-essential: body produces it in adequate amounts

Question 7

Define

Energy

Answer 7

ability to do work or produce heat; comes from carbohydrates, fats, protein, and alcohol

Question 8

Define

Non-nutrients

Answer 8

Compounds or organisms that are found in food that could potentially affect human health but are not identified as nutrients (ex. antioxidants or fibre)

Question 9

Define

Phytochemicals

Answer 9

Non-nutrient compounds derived from plants that have biological activity in the body