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Name: ____________________________
Date: __________________
Digestion – Pre/Post-Assessment
1. Energy in food is measured in
a. ATP
b. Fats
c. Calories
d. Disaccharides
2. Where does mechanical digestion begin?
a. The esophagus
b. The large intestine
c. The mouth
d. The small intestine
3. An enzyme in saliva that can break the chemical bonds in starch is
a. Pepsin
b. Bile
c. Amylase
d. Chyme
4. The flap of cartilage that prevents food and liquids from entering the trachea is
a. Epiglottis
b. Trachea
c. Tongue
d. Uvula
5. Each of the following aids in the process of digestion EXCEPT the
a. Teeth
b. Saliva
c. Stomach
d. Kidney
6. In the human body, hydrochloric acid is responsible for the low pH of the contents of the
a. Kidney
b. Gallbladder
c. Stomach
d. Liver
7. The main function of the digestion system is to
a. Break down large molecules into smaller molecules
b. Excrete oxygen and carbon dioxide
c. Synthesize minerals and vitamins needed for a healthy body
d. Remove waste products from the blood
8. Which of the following is NOT a role of fats in the body
a. Deposits of fat act as insulation
b. They are components of cell membranes
c. They help with absorption of fat-soluble vitamins
d. They provide the body with essential amino acids
9. The principal function of structure X is to
a. produce salivary enzymes
b. secrete sex hormones
c. absorb water
d. digest bile
10. The process of peristalsis is best described as the
a. Loss of water from vascular plants
b. Release of acid into the stomach
c. Chemical breakdown of food in the small intestine
d. Muscular contractions of the gastrointestinal tract
11. In humans, structures that absorb most of the products of digestion are the
a. Ducts of the pancreas
b. Cells of the esophagus
c. Villi of the small intestine
d. Muscular folds of the gallbladder
12. After food leaves the mouth, in what sequence does it pass through these organs?
a. Small intestine  stomach large intestine  esophagus
b. Stomach  esophagus  small intestine  large intestine
c. Esophagus  stomach  large intestine  small intestine
d. Esophagus  stomach  small intestine  large intestine
13. What is bile and how does it aid in digestion? It is
a. Made in the pancreas and digests fats into fatty acids in the gall bladder
b. Made in the liver and breaks fat droplets into small particles in the intestine
c. Made in the liver and digests proteins into amino acids in the intestine
d. Made in the gall bladder and digests fats into fatty acids in the stomach
14. What role does the pancreas play in digestion? It
a. Secretes enzymes into the small intestine
b. Regulates absorption of digested foods from the intestine
c. Secretes enzymes into the large intestine
d. Secretes acid into the stomach
15. In humans, structures that absorb most of the products of digestion are the
a. Ducts of the pancreas
b. Cells of the esophagus
c. Villi of the small intestine
d. Muscular folds of the gallbladder