Lecture 11 Part 2 - MC

Question 1

What percentage of bile salts are reabsorbed and return to the liver in enterohepatic circulation?
A) 3%
B) 50%
C) 97%
D) 100%

Answer 1

C

Question 2

What is the primary composition of bile?
A) Free cholesterol and amino acids
B) Free cholesterol and bile salts
C) Bile salts and proteins
D) Proteins and cholesterol

Answer 2

B

Question 3

How much of the cholesterol present in bile is reabsorbed back to the liver?
A) 3%
B) 50%
C) 75%
D) 97%

Answer 3

B

Question 4

According to the “Diet-Heart” Hypothesis, what dietary component is proposed to increase the risk of cardiovascular disease?
A) Saturated fats
B) Trans fats
C) Sugars
D) Fiber

Answer 4

A

Question 5

In the structure of an artery, what is the function of the media layer?
A) It contracts or relaxes to control the artery’s diameter.
B) It is the innermost layer in contact with blood.
C) It holds all the other layers in place.
D) It stores lipids and macrophages.

Answer 5

A

Question 6

Which statement correctly reflects the findings about saturated fat and heart disease according to the provided information?
A) Saturated fat consumption directly correlates with heart disease deaths.
B) There is no real link between saturated fat consumption and heart disease deaths.
C) Saturated fats are the safest to consume in large quantities.
D) Reducing saturated fat consumption has eliminated heart disease.

Answer 6

B

Question 7

What happens when oils high in polyunsaturated fatty acids (PUFAs) are heated to 180 degrees Celsius?
A) They solidify and become less digestible.
B) They release less toxic aldehydes than saturated fats.
C) They release toxic aldehydes.
D) They become more nutritious.

Answer 7

C