chapter 3 - fats

Question 1

what are the type of fats

Answer 1

saturated and unsaturated

Question 2

describe what is saturated fat

Answer 2

do not contain any double bond (single bond)

cannot take in any more hydrogen atoms

Question 3

what are the two types of unsaturated fats

Answer 3

monounsaturated and polyunsaturated

Question 4

describe what is monounsaturated fats

Answer 4

one double bond

can take in 2 hydrogen atoms

Question 5

describe what is polyunsaturated fats

Answer 5

contain 2 or more double bonds

can take in 4 or more hydrogen atoms

Question 6

identify from saturated and unsaturated fats, which is good and bad fats

Answer 6

saturated fats - bad fats

unsaturated fats - good fats

Question 7

name 3 food source of saturated fats

Answer 7

butter
lard 
ghee
bacon 
cheese

Question 8

name 3 food source of monounsaturated fats

Answer 8

olive oil
avocadoes
almond

Question 9

name 3 food source of polyunsaturated fats

Answer 9

walnut
sunflower seeds
salmon

Question 10

what happens if consume too much fats

Answer 10

weight will gain due to the accumulation of body fats

hence increase the risk of cardiovascular disease

Question 11

what happens if consume too little fat

Answer 11

weight loss
hence disruption to our normal body functions as our body temp will not be regulated
thus our liver, brain, heart etc will slow down

Question 12

how are trans fat produced

Answer 12

produced during hydrogenation of vegetable oils

Question 13

describe the conversion of trans fat

Answer 13

liquid oils are converted to solid fats
during this conversion,
unsaturated fatty acids become more saturated and produce trans fatty acids

Question 14

food source of trans fat

Answer 14

processed food such as
chicken nuggets
margarine

Question 15

trans fat develop what health problems

Answer 15

cancer and heart diseases

Question 16

what are the chemical elements of fats

Answer 16

carbon, hydrogen, oxygen

Question 17

name all 4 functions of fats

Answer 17

rich source of energy
insulation
storage for fat-soluble vitamins
protection of vital organs

Question 18

explain the function of rich source of energy

Answer 18

9kcal of energy

excess energy stored in the form of body fat

Question 19

explain the function of insulation

Answer 19

reduce heat loss

insulating the body against the cold

Question 20

explain the function of storage for fat-soluble vitamins

Answer 20

dissolve and store vitamins A D E K

thus improve the absorption and the uses of the vitamins

Question 21

explain the function of protection of vital organs

Answer 21

cushioning the vital organs against impact and damage blows

Question 22

describe the state of saturated and unsaturated at room temperatures

Answer 22

saturated: usually solid at room temp.
monounsaturated: solidify at low temp., change into liquid state at room temp
polyunsaturated: liquid state at room temp