Lecture 11 (Part 2)

Question 1

Enterohepatic Circulation

Answer 1

process by which bile salts are reabsorbed in the gut

(the regulation of bile acid production, release and elimination by the gut and the liver)

Question 2

Bile =

Answer 2

free cholesterol + bile salts

Question 3

what percentage of cholesterol present in bile is reabsorbed and go back to liver

Answer 3

50% of cholesterol present in bile is reabsorbed and go back to liver

Question 4

what percentage of bile salts are reabsorbed and go back to liver

Answer 4

97% of bile salts are reabsorbed and go back to liver

Question 5

The “Diet-Heart” Hypothesis

Answer 5

suggests Cholesterol is related to heart disease, atherosclerosis specifically

Question 6

Layers of the artery

Answer 6

Intima
Media layer
Ventisha

Question 7

Intima:

Answer 7

inner portion of layer in contact with blood

(this is where lipids and macrophages build up in the artery)

Question 8

Media layer:

Answer 8

smooth muscle that contracts or relaxes that allows artery to contract/relax

Question 9

Ventisha:

Answer 9

outer connective tissue layer that holds everything in place

Question 10

How the Oils Turn Toxic

Answer 10

The release of toxic aldehydes

by heating coconut, butter, olive, corn, and sunflower oils at 180 degrees celsius

Question 11

What Oils are susceptible to oxidation when heated up

Answer 11

Oils that are high in PUFAs

Question 12

Do Saturated fatty acids release more or toxic aldehydes than unsaturated fatty acids

Answer 12

Saturated fatty acids (like coconut oil and butter) release LESS TOXIC ALDEHYDES than unsaturated fatty acids