Exam 2 Fats

Question 1

*Health problems from fat

Answer 1

Cardiovascular disease

Question 2

*Cardiovascular disease

Answer 2

can result in a heart attack or a stroke

dysfunction of the heart or blood vessels

Question 3

*Risk factors of cardiovascular disease

Answer 3

smoking, high blood pressure, diabetes, being obese and physical inactivity

Question 4

Low density lipoproteins

Answer 4

lousy cholesterol

less than 100

Question 5

high density lipo proteins

Answer 5

happy cholesterol

greater than 40

Question 6

*How much fat?

Answer 6

20-35% calories from fat

Question 7

*Visible fats

Answer 7

fats we knowingly add to foods

butter, cream , mayonnaise, dressing

Question 8

• invisible fat

Answer 8

fats hidden in food
Naturally occurring: Meat, chicken, fish
or added during processed

Question 9

*Roles of fat in food

Answer 9

provide flavor and texture

contribute to us feeling satiated

Question 10

*Fat is essential to what bodily functions

Answer 10

Cell membrane structure
Nerve cell transmission
protection of internal organs
insulation to retain body heat

Question 11

*Fat soluble vitamins

Answer 11

Vitamin A,D, E and K are soluble in fat

fat is required for there transport

Question 12

True or false Fat is very energy dense

Answer 12

true

Question 13

Lipids

Answer 13

do not dissolve in water

Question 14

*what are the three types of lipids

Answer 14

Triglycerides, Phospholipids, and sterols

Question 15

*Triglycerides are composed of

Answer 15

three fatty acids and one glycerol

Question 16

Saturation

Answer 16

refers to how many hydrogen atoms surround each carbon

Question 17

Saturated fatty acids

Answer 17

have hydrogen atoms surrounding every carbon in the chain

Question 18

monounsaturated fatty acids

Answer 18

HAVE ONLY ONE DOUBLE BOND

Question 19

polyunsaturated fatty acids

Answer 19

2 OR MORE DOUBLE BONDS

Question 20

Recommended amount of saturated fat

Answer 20

less than 7% of total calorie

formula kcal x .07 divided by 9

Question 21

Linolenic acid

Answer 21

omega 6
found in vegetable and nut oils
growth

Question 22

alpha linolenic acid

Answer 22

omega 3
vegetable, flax seed, soy oil and fish oil
neurological

Question 23

Cis

Answer 23

same side of the carbon chain

Question 24

trans

Answer 24

opposite of the carbon chain

Question 25

Hydrogenation

Answer 25

adding hydrogen atoms to unsaturated fatty acids
creates trans fatty acids
converts liquid fat into solid fat

Question 26

necessary recommended amount of trans fat

Answer 26

less than 1 %

kcal x .01 divided by 9

Question 27

phospholipids

Answer 27

soluble in water
made in our bodies
composed of: phosphate, 2 fatty acids and glycerol as backbone

Question 28

Sterols

Answer 28

lipids containing multiple rings of carbon atoms
made in the body
cell membrane and hormones

Question 29

why aren’t fats digested easily

Answer 29

fats are insoluble in water

Question 30

digestion of fat

Answer 30

Bile produced in the liver and stores in gall bladder
Bile secreted from gallbladder into the small intes
Bile disperses fat into droplets
Pancreatic enzyme break fat into two separate fatty acids and a monoglyceride

Question 31

Chylomicron

Answer 31

lipoprotein produced by cells lining the the small intestine transport the digested fat
Transfers to the bloodstream in the heart

Question 32

Lipoproteins

Answer 32

transport fat through out lymph and blood systems