Lipids

Question 1

All lipids are-

Answer 1

Insoluble in water, are oily to touch, and together with carbs + proteins constitute the principal structural material of the body

Question 2

Triglycerides, oils, and cholesterol are all grouped together because-

Answer 2

Of their structural and physical similarities

Question 3

Triglycerides are molecules made of-

Answer 3

Glycerol and fatty acids

Question 4

Most common lipid?

Answer 4

Triglycerides

Question 5

Name the 4 main things that triglycerides do

Answer 5

Provide energy
Primary form of energy storage in the body
Insulate and protect
Aid in the absorption and transport of fat-soluble vitamins

Question 6

A triglyceride containing mixed fatty acids is known as-

Answer 6

a mixed triglyceride

Question 7

What are the two types of fatty acids?

Answer 7

Saturated fatty acid
Unsaturated fatty acid

Question 8

Saturated means-

Answer 8

Filled to capacity

Question 9

Primary components of fatty acid?

Answer 9

Carbon, hydrogen, and oxygen

Question 10

Oils are-

Answer 10

Liquid fats

Question 11

What are the 2 essential fatty acids?

Answer 11

Linoleic acid (omega-6)
Alpha-linolenic (omega-3)

Question 12

Why are omega-6 and omega-3 fatty acids so essential?

Answer 12

Because the body can’t synthesize them

Question 13

What are some good sources of omega-6?

Answer 13

Whole grains, fresh fruits and veggies, fish, olive oil, and garlic

Question 14

What are some good sources of omega-3?

Answer 14

Flax seed, egg yolk, and chia seeds

Question 15

What are the three naming systems for fatty acids?

Answer 15

Delta nomenclature
Omega nomenclature
Common names

Question 16

For Delta Nomenclature, one needs to know 3 things:

Answer 16

Number of carbons in fatty acid
Number of double bonds
number of carbons from the carboxylic acid (alpha) end to the first carbon in the double bonds

Question 17

What’s the only difference between the omega nomenclature and the delta nomenclature?

Answer 17

Carbons are counted from the methyl (omega) end instead of the carboxylic acid end, and the omega symbol is used instead of the delta symbol

Question 18

For Omega Nomenclature one needs to know 3 things:

Answer 18

Number of carbons in the fatty acid
Number of double neurons
Number of carbons from the methyl end (omega end) to the first carbon in the double bond closest to the methyl end

Question 19

What’s cholesterol?

Answer 19

A type of lipid found in the blood and in the diet

Question 20

Cholesterol is important because-

Answer 20

It is an essential component of brain and nerve tissue.
It’s also needed to form bile, hormones, and vitamin D

Question 21

Many foods contain cholesterol, but it is mainly found in-

Answer 21

Foods of animal origin

Question 22

Can the body produce cholesterol?

Answer 22

The body produces all of the cholesterol that it needs

Question 23

LDL =

Answer 23

Bad cholesterol

Question 24

HDL =

Answer 24

Good cholesterol

Question 25

How is HDL healthy?

Answer 25

It helps the body to process excess triglycerides thus managing the amount of excess fat in the overall system

Question 26

What’s a lipid panel?

Answer 26

A series of tests that measure the amount of cholesterol in the blood

Question 27

Chemists use-

Answer 27

Delta Nomenclature

Question 28

Nutritionists use-

Answer 28

Omega Nomenclature

Question 29

Target total cholesterol number (in an adult)?

Answer 29

Total Cholesterol < 200 mg/dl

Question 30

Total HDL target number (in an adult)?

Answer 30

Total HDL > 35

Question 31

Total LDL target number (in an adult)?

Answer 31

Total LDL < 100

Question 32

Total triglycerides target number (in an adult)?

Answer 32

Total Triglycerides < 150