Download Lesson Assessment: Digestive System

Name: ____________________________________
Class: _____________
Date: _____________
Lesson Assessment: The Digestive System
1. Where do wastes exit the digestive system?
a) large intestine
b) esophagus
c) rectum
d) anus
2. How does inflammation of the liver caused by hepatitis C affect the digestive system?
a) chronic constipation
b) increased production of vitamin K
c) decreased ability to break proteins into amino acids
d) increased amounts of bile in the blood
3. What part of the small intestine allows for effective absorption of the end products of digestion?
a) epiglottis
b) villi
c) esophagus
d) pancreatic duct
4. Which substance emulsifies fat for efficient digestion?
a) villi
b) bile
c) enzymes
d) hydrochloric acid
5. Which statement accurately describes the relationship between mechanical and chemical digestion?
a) Mechanical and chemical digestion happen simultaneously throughout digestion.
b) Mechanical digestion increases the surface area of food, preparing the food for chemical digestion.
c) Both mechanical and chemical digestion require enzymes.
d) Chemical digestion occurs only in the stomach, and mechanical digestion occurs only in the mouth.
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Name: ____________________________________
Class: _____________
Date: _____________
Lesson Assessment: The Digestive System
6. Which term is used for food that leaves the stomach after having been partially digested?
a) carbohydrate
b) pepsin
c) chyme
d) lysozyme
7. What function does the mucus on the inner surface of the stomach serve?
a) to lubricate food for easy passage to the small intestine
b) to protect the stomach from the acid it produces
c) to split proteins into small groups of amino acids
d) to prevent food from reentering the esophagus
8. What might cause an ulcer?
a) feces absorbing too much water
b) the contraction of muscles in the digestive system
c) the breakdown of the mucus layer in the stomach
d) too much acid in the esophagus
9. What is one role of the pancreas in digestion?
a) to produce bile
b) to initiate digestion
c) to neutralize acids
d) to consolidate wastes
10. Which function is NOT performed by the liver?
a) the production of cholesterol
b) the stabilization of blood sugar
c) the absorption of vitamins, minerals, and water
d) the detoxification of poisons
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ANSWER KEY
1. d
2. d
3. b
4. b
5. b
6. c
ANSWER KEY Page 1
7. b
8. c
9. c
10. c