Download Name - Mr. Lesiuk

Name : ______________
Date :_______
The Digestive System : Review #2
Digestive System : (Learning Outcomes I2-I4)
L.O. I – 2 Digestive enzymes and their Glandular Sources
**This is very important leaning outcome is best remembered using a chart form
as was given in class.***
___
___
___
___
___
___
___
___
1.
2.
3.
4.
5.
6.
7.
8.
What nutrient group starts to chemically break down in the mouth?
What enzyme is responsible for this breakdown of food in the mouth?
The stomach is used primarily for the breakdown of which nutrient group?
List the key functions of Hydrochloric acid in the stomach?
Name the enzyme responsible for the breakdown of proteins stomach.
What type of molecules form during the initial chemical breakdown of proteins?
Name three specific digestive enzymes that are produced by the pancreas?
After pancreatic juice is released from the pancreas the juice first enters and starts
working in what part of the small intestine?
___ 9. What does Pancreatic Amylase do?
___ 10. What does the Trypsin do?
____11. What will Lipase do to a triglyceride?
___ 12. Where are most peptidases produced?
____13. What does a peptidase do?
___ 14. Before lipase enzymes can affectively work, what must happen to ingested fats?
____15. Where is Maltase produced?
____16. What does Maltase do?
L.O. I – 3 Swallowing and Peristalsis
___ 1. Swallowing is a reflex action. What does this mean?
___ 2. What keeps food from going up onto the nasal cavity?
___ 3 . Describe "peristaltic action"
L.O. I – 4 Pancreatic, Gastric, and Intestinal Juice
___ 1. List at least three key components of Gastric Juice
___ 2. List two reasons why it is important for the stomach contents to be acidic (pH
=2.5)?
___ 3. Besides pancreatic enzymes, pancreatic juice also contains sodium bicarbonate
(NaHCO3) – what is the role of this chemical compound?
___ 4. What would happen to all the pancreatic enzymes and duodenal gland enzymes if
pancreatic juice did not contain a sufficient amount of sodium bicarbonate?
L.O. I – 4 Hormonal Control of Secretions
___ 1. Gastric glands and their secretions are stimulated by what hormone?
___ 2. Where is this hormone produced?
OVER 
___ 3.
___ 4.
___ 5.
___ 6.
target?
___ 7.
Are the glands that secrete GASTRIN considered endocrine or exocrine?
What effect does it have on the stomach?
Name two important HORMONES that are produced by the duodenum?
What causes the production and release of Secretin and what does Secretin
What causes the production and release of CCK and what does CCK target?
PRACTICE QUIZ: