Pancreas

Question 1

What precursors does the pancreas contain?

Answer 1

Precursors
Main ones:
Trypsinogen (activated by Enterokinase into Trypsin)
Chymotrypsinogen (activated by Trypsin into Chymotrypsin

Question 2

What enzymes does the pancreas contain?

Answer 2

1. Alpha-Amylase: (breaks down carbs)
   (Starch -> Maltose (glucose dissacharide))
2. Lipase: (breaks down fats/lipids)
   (Triglycerides -> Monoglyceride and Fatty Acids)
3. Protease (breaks down proteins)

Question 3

What does the pancreas secrete to protect the duodenum from gastric acid?

Answer 3

Bicarbonate- enter duodenum via Sphincter of Oddi and protects its mucosa from gastric acid

Question 4

What is in pancreatic juice?

Answer 4

-Alkaline
cations-Na, K, Ca, Mg
anions-HCO3, Cl, SO4, HPO4
-digestive juices

Question 5

Function of pancreatic juice?

Answer 5

Neutralises stomach acid with bile salts and intestinal juice