Liver

Question 1

What does the liver secrete in response to chyme?

Answer 1

Bile

Question 2

What makes up bile?

Answer 2

Bile acid
Bile pigments
Alkaline solution

Question 3

What is the role of bile?

Answer 3

Emulsifies fats

Question 4

What are the main functional cells of the liver?

Answer 4

Hepatocytes

Question 5

How many lobes does the liver have?

Answer 5

4

Question 6

What are the lobes of the liver?

Answer 6

Left
Right
Quadrate
Caudate

Question 7

What is the shape of a liver lobule?

Answer 7

Hexagonal

Question 8

What structures are found at the corners of the lobule?

Answer 8

Bile duct
Hepatic artery
Hepatic portal vein

Question 9

What is at the centre of the lobule?

Answer 9

Central vein

Question 10

Where is bile stored?

Answer 10

Gall bladder

Question 11

What is the role the gall bladder?

Answer 11

Stores bile

Concentrates bile

Question 12

What stimulates the gall bladder to contract?

Answer 12

CCK

Question 13

What are bile salts?

Answer 13

Conjugated bile acids

- bile acids conjugated to amino acids

Question 14

What do bile salts do?

Answer 14

Emulsify fat into smaller units

Create micelles with products of lipid breakdown

Question 15

What are micelles?

Answer 15

Carrying molecules for transporting hydrophobic molecules towards enterocyte

Question 16

Where are bile salts reabsorbed?

Answer 16

Terminal ileum

Question 17

How are lipids digested?

Answer 17

Bile salts emulsify fats
Bile salts form micelles with lipid breakdown products
Micelle transports digested lipids into intestinal epithelial cell - lipids diffuse into epithelial cell