The Digestive System
Test Outline
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
What are the six essential nutrients and how do each contribute to our health?
What is fibre and why is it important to nutrition? Why is it not considered a nutrient?
What is the 80/20 rule? Why is it a common sense approach to a healthy diet?
Explain how hydrolysis and dehydration synthesis are important when it comes to nutrition.
Outline the pathway of the human digestion system (which organs does the food pass through)?
What are the three parts of the small intestine called?
What are the three roles of saliva?
What is an enzyme?
Lis the three main digestive enzymes. Where are they made, where are they released, and
which substrates do they act upon?
What is the difference between mechanical and chemical digestion? Give a specific example of
each type and include where it occurs in the body.
Indicate whether the following are examples of chemical or mechanical digestion:
A. Bile emulsifies fats
B. Chewing food
C. Salivary amylase breaking down starch
D. Peristalsis
E. HCl killing bacteria in the stomach
F. Sodium bicarbonate neutralizing the HCl in the small intestine
How do the accessory organs help with the digestive process?
A. Liver
B. Gall Bladder
C. Pancreas
Be sure to know the function of each organ of digestion
A. Where absorption of the nutrients takes place
B. Where carbohydrates, proteins, and lipids are broken down
C. Where reabsorption of water takes place
D. The importance of the villi and microvilli
Know the digestive disorders we
Know the diagram of the digestive system.