Liver and gallbladder

Question 1

What does the liver make and why is it important?

Answer 1

The liver makes bile, which is important in the
emulsification of fats

Question 2

What is the function of the gallbladder?

Answer 2

The gallbladder stores bile until it is needed

Question 3

What are the functions of the liver and gallbladder?

Answer 3

• Carbohydrate, lipid, and protein metabolism
• Processing of drugs and hormones
• Bilirubin excretion
• Bile salt synthesis
• Storage
• Phagocytosis
• Vitamin D activation

Question 4

Where does the majority of digestion and absorption take place?

Answer 4

• small intestine

Question 5

What are the functions of the small intestine?

Answer 5

1. Segmentations mix chyme with digestive juices and bring food into contact with mucosa for absorption; peristalsis propels chyme through small intestine
2. Completes digestion of carbohydrates, proteins, lipids; begins and completes digestion of nucleic acids
3. Absorbs about 90% of nutrients and water that pass through digestive system

Question 6

What do circular folds do?

Answer 6

Circular folds increase the surface area for digestion and absorption in the small intestine

Question 7

What are the mechanical digestion processes of small intestine?

Answer 7

segmentation
Peristalsis

Question 8

What is segmentation?

Answer 8

Localized contractions

Question 9

What is peristalsis

Answer 9

Propulsive contractions

Question 10

Function of pancreas

Answer 10

Delivers pancreatic juice into duodenum via pancreatic duct to assist absorption

Question 11

Function of liver

Answer 11

Produces bile (bile salts) necessary for emulsification and absorption of lipids.

Question 12

Gallbladder

Answer 12

Stores, concentrates, and delivers bile into duodenum via bile duct