Lecture 1&2: Intro to Nutrition

Question 1

What is the science of nutrition

Answer 1

Food: what we consume

Nutrients: compounds in food essential to life and health

Nutrition: how the food we consume nourishes us

Question 2

Carbohydrates

Answer 2

starch, fiber, sugar

carbon, hydrogen, oxygen

primary source of energy

Question 3

Lipids

Answer 3

polyunsaturated (omega 3 & 6), monounsaturated fatty acids

carbon, hydrogen, oxygen

major form of stored energy

fat-soluble vitamin absorption

Question 4

Vitamins

Answer 4

Fat-soluble: A,D,E, K

Water-soluble: C, B’s

Question 5

Minerals

Answer 5

Major minerals: Calcium, phosphorous, sodium, potassium, chloride, magnesium, sulphur

Trace minerals: Iron, zinc, copper, manganese, fluoride, chromium, molybdenum

Question 6

Macronutrients

Answer 6

Carbohydrates, Lipids, Proteins, water (nutrients that provide energy)

Question 7

What kind of nutrient is water

Answer 7

inorganic essential nutrient

Question 8

body processes water is involved in

Answer 8

fluid balance
nerve impulses
body temperature
muscle contractions
nutrient transport
excretion of waste products

Question 9

Proteins dietary sources, structure components and function

Answer 9

meat, fish, legumes, some dairy

carbon, hydrogen, oxygen, nitrogen

support tissue growth, repair and maintenance

Question 10

Trace vs Major minerals

Answer 10

Major: needed in amounts great than 100mg/day

Trace: needed in amounts less than 100mg/day

Question 11

Factors that drive food choices

Answer 11

-Early food experiences
-Habits, Culture, social factors
-economics
-geography
-taste, texture & appearance
-health concerns
-advertising

Question 12

Characteristics of a healthy diet

Answer 12

-Adequate
-Balance
-Moderate
-Variety
-Calorie Control
-Nutrient dense
-Safe