Lipids

Question 1

Lipids

Answer 1

Source of energy, Protection of vital organs, Precursor for hormones, Component of cell structures (phospholipids and sterols), Cholesterol (precursor for bile and Vit D); 1g/9kcal

Question 2

Chemical Lipids

Answer 2

Triglycerides (fats and oils), Phospholipids (lecithin) and Sterols (cholesterol)

Question 3

Omega-6

Answer 3

Linoleic acid (Leafy veggies, seeds, nuts, grains and vegetable oils); Arachidonic acid (meats or made from linoleic acid)

Question 4

Omega-3

Answer 4

Linolenic acid (Fats and oils); EPA and DHA (Human milk, Shellfish and fish)

Question 5

Phospholipids

Answer 5

1/3 classes, Similar to triglycerides but with choline and phosphorous-containing acid, Cell membrane, Emulsifier

Question 6

Sterols

Answer 6

Cholesterol and Testosterone

Question 7

Cholesterol

Answer 7

700mg produced, Metabolism, Role of bile in lipid digestion

Question 8

Lipoproteins

Answer 8

Contains proteins and lipids (phospholipids, cholesterol and triglycerides), Facilitate lipid transport

Question 9

High-Density Lipoprotein (HDL)

Answer 9

Synthesized by liver and intestine, Removes cholesterol and transfer to lipoprotein

Question 10

Low-Density Lipoprotein (LDL)

Answer 10

Composed of cholesterol, Risk for disease

Question 11

Lipid Profile

Answer 11

Total cholesterol, LDL, HDL, Triglyceride

Question 12

Trans-Fatty Acids

Answer 12

Increased heart disease and cancer, Effect on metabolic function, insulin resistance and inflammation, Adverse to cognition

Question 13

Recommended Intake

Answer 13

No RDA

Committee on Diet and Health: 30% or less fat intake, saturated fat at 10% or less, cholesterol at 300mg

Question 14

Alternatives to Fat

Answer 14

Carbohydrate based (Maltodextrin-corn derived, Oatrim-oat fiber derived), Protein-based (Simplesse) and Fat-based (Olestra)