Fats

Question 1

What is the major role of fat in the body?

Answer 1

Provides a concentrated source of energy to fuel the body’s work

Question 2

What are the major building blocks of triglycerides?

Answer 2

Fatty acids

Question 3

Triglycerides

Answer 3

The major class of dietary lipids, including fats and oils
- Glycerol + 3 fatty acids = Triglyceride

Question 4

What is the backbone of triglycerides?

Answer 4

Glycerol

Question 5

A fatty acid carrying the maximum number possible of hydrogen atoms (having no points on unsaturation)

Answer 5

Saturated fatty acids

Question 6

What foods contain saturated fatty acids

Answer 6

Found in all animal foods (meat, poultry, full fat dairy) and some tropical oils (palm and coconut)

Question 7

A fatty acid with one or more points of unsaturation

Answer 7

Unsaturated fatty acids

Question 8

What foods contain unsaturated fatty acids

Answer 8

Found in both plant and animal foods

Question 9

A fatty acid containing only one point of unsaturation

Answer 9

Monounsaturated fatty acids

Question 10

A fatty acid in which 2 or more points of unsaturation occur

Answer 10

Polyunsaturated fatty acids

Question 11

Essential Fatty Acid

Answer 11

a fatty acid that cannot be made by the body in amounts sufficient to meet physiological needs

Question 12

What are the 2 essential fatty acids

Answer 12

Linolec acid and linolenic acid

Question 13

What are the benefits of omega 3 fatty acids

Answer 13

Lower blood pressure, reduce triglycerides, enhanced defense against cancer, reduce inflammation in arthritis and asthma sufferers

Question 14

What are the benefits of omega 6 fatty acids

Answer 14

Fights inflammation, reduces the risk of heart diseases, lowers blood pressure

Question 15

Which fats are typically liquid at room temp?

Answer 15

Unsaturated fatty acids

Question 16

The process of adding hydrogen to unsaturated fat to make it more solid and more resistant to chemical change

Answer 16

Hydrogenation

Question 17

Helps fat travel back and forth across the lipid containing cell membranes

Answer 17

Phospholipids

Question 18

Function of cholesterol

Answer 18

• Used to make bile for digestion
• Used to make sex hormones
• Made into vitamin D

Question 19

A type of lipoprotein that transports newly digested fat (mostly triglycerides) from the intestine through lymph and blood

Answer 19

Chylomicron

Question 20

Clusters of lipids associated with protein that serve as transport vehicles for lipids in blood and lymph

Answer 20

Lipoproteins

Question 21

What are the 4 main types of lipoproteins?

Answer 21

1. Very Low density lipoprotein (VLDL)
2. Low Density Lipoprotein (LDL)
3. High Density Lipoprotein (HDL)
4. Chylomicron

Question 22

What is the function of LDL?

Answer 22

Carries cholesterol to body cells

Question 23

What is the function of HDL?

Answer 23

Carries cholesterol in the blood back to the liver for recycling or disposal

Question 24

What is the sign of raised LDL levels in the blood?

Answer 24

A heart attack bc LDLs in the blood tend to deposit cholesterol into the arteries

Question 25

What can it mean when you have high HDL levels

Answer 25

Represent cholesterol on its way out of the arteries back to the liver - reduces the risk of a heart attack

Question 26

The underlying cause of most heart disease is

Answer 26

Atherosclerosis

Question 27

Between what percentage should your total fat intake be?

Answer 27

20 - 35%

Question 28

Saturated fats should be less that ___% of total calories

Answer 28

10%