Overview GI

Question 1

Purpose of the GI tract

Answer 1

To add water ions and enzymes to a meal to create an aqueous solution suitable for absorption and transport

Question 2

Purpose of the GI tract

Answer 2

To add water ions and enzymes to a meal to create an aqueous solution suitable for absorption and transport

Question 3

How much fluid enters the upper GI tract daily

Answer 3

8.5L (daily oral intake + salivary, gastric, biliary and pancreatic secretions)

Question 4

Daily faecal fluid excretion

Question 5

Net absorption of fluid

Answer 5

> 8L daily

Question 6

The gut is derived from?

Answer 6

endoderm

Question 7

Key GI fuctions are?

Answer 7

Digestion

Absorbtion

Question 8

The primary role of pancreatic and biliary secretions?

Answer 8

Digestion

Question 9

Central role of liver

Answer 9

blood from the gut passes through the liver before reaching the systemic circuit

• detoxification
• metabolism (lipid metabolism/glucose homeostasis)
• excretion

Question 10

How much fluid enters the upper GI tract daily

Answer 10

8.5L (daily oral intake + salivary, gastric, biliary and pancreatic secretions)

Question 11

Daily faecal fluid excretion

Question 12

Net absorption of fluid

Answer 12

> 8L daily

Question 13

The gut is derived from?

Answer 13

endoderm

Question 14

Key GI fuctions are?

Answer 14

Digestion

Absorbtion

Question 15

The primary role of pancreatic and biliary secretions?

Answer 15

Digestion

Question 16

Central role of liver

Answer 16

blood from the gut passes through the liver before reaching the systemic circuit

• detoxification
• metabolism (lipid metabolism/glucose homeostasis)
• excretion