Lecture 13 Part 1 - MC

Question 1

Where are chylomicrons primarily formed?

A) Liver
B) Heart
C) Small intestine
D) Large intestine

Answer 1

C

Question 2

What is the main function of chylomicrons?

A) To break down proteins
B) To deliver dietary triglycerides (TGs) to peripheral tissues
C) To produce glucose in the liver
D) To store vitamins

Answer 2

B

Question 3

Which of the following molecules are donated by HDL to chylomicrons?

A) ApoA and ApoCIII
B) ApoCII and ApoE
C) ApoB100 and ApoE
D) ApoA and ApoB48

Answer 3

B

Question 4

What role does ApoCII play in the metabolism of chylomicrons?

A) It signals the liver to produce more HDL
B) It interacts with LPL to initiate lipolysis of TGs
C) It helps chylomicrons enter the small intestine
D) It converts glycerol into glucose

Answer 4

B

Question 5

Where does lipoprotein lipase (LPL) primarily function in the body?

A) In hepatic tissues only
B) In capillaries of non-hepatic tissues such as muscle and adipose tissue
C) Within the walls of the small intestine
D) Inside the cells of the liver

Answer 5

B

Question 6

What happens to glycerol after being released from chylomicrons?

A) It is stored as fat in adipose tissue
B) It is used directly by muscles as energy
C) It travels to the liver to be converted into glucose
D) It is excreted by the kidneys

Answer 6

C

Question 7

After delivering their TG content, what are chylomicrons called?

A) Chylomicron remnants
B) Low-density lipoproteins
C) Very low-density lipoproteins
D) High-density lipoproteins

Answer 7

A

Question 8

*What components do chylomicron remnants primarily contain before being taken up by the liver?

A) ApoA and ApoB100
B) ApoCII and ApoB48
C) ApoE and ApoB48
D) ApoCIII and ApoA

Answer 8

C