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Flashcards in Fats 'n such Deck (62)
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1

What is the energy per gram of fats?

9 kcals/g

2

What is the most abundant lipid in the body?

Triglycerides

3

Monounsaturated fats are from what foods?

Olive oil, avocado, canola oil

4

omega 6 FAs are from what foods?

Corn, soy, sunflower

5

omega 3 FAs are from what foods?

Oily ocean fish, flax seed

6

Monounsaturated FAs have what major effect on health?

Lowers LDL

7

omega 6 are important in what?

Inflammatory cytokines

8

omega 3 are important in what?

Lowering TGs

9

What is the enzyme that breaks down lipids in the stomach? Duodenum?

Gastric Lipase
Pancreatic lipase

10

What percent of fat is absorbed?

95-97%

11

Which type of FAs are water soluble, SCT, MCT or LCT? What is the consequence of this?

Medium chain
Do not need bile salts thus can give them to pts without gallbladder

12

SCFAs come from where in our diet?

By bacteria in the gut

13

What is the transporter for FAs in the blood? What are the organs involved in their life cycle?

Chylomicrons
Liver and adipose tissue

14

What is the major health effect of the inability to absorb fat?

Fat soluble vitamin deficiency

15

What is the role of LDL, IDL, and VLDL?

Carry cholesterol to tissues

16

What is the role of HDL?

Returns cholesterol and lipids back to liver

17

What is the cause of defective chylomicron synthesis?

apo B 48 protein

18

What is Chyluria?

Abnormal connection between UT and lymphatic drainage

19

What is chylothorax?

Connection b/t pleural space and lymphatic drainage of intestines

20

What is the common pathway for FAs degradation?

Beta-oxidation

21

Acetyl-Coa goes where?

Krebs cycle

22

Propionyl-Coa goes where?

Changes to succinyl coa to Krebs

23

What is the recommended intake of total fat?

20-35g

24

What is the recommended intake of LC saturated FAs?

None

25

What is the recommended intake of omega 6?

12-17g

26

What is the recommended intake of omega 3

1-2 g per day

27

Linoleic acid accounts for what percent of omega 6 FAs in the western diets?

90%

28

Deficiencies in linoleic acids causes what?

Dry scaly skin, rash
Infections

29

Deficiencies in *alpha* linoleic acids causes what?

Neurologic abnormalities

30

Linoleic acids (omega 6) are converted to what?

Arachidonic acids