Human Digestive System - Problem Set
Q. What is the function of the esophagus in the digestive system?
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A.
Digestion of proteins
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B.
Transport of food to the stomach
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C.
Absorption of nutrients
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D.
Production of saliva
Solution
The esophagus is a muscular tube that transports food from the mouth to the stomach.
Correct Answer: B — Transport of food to the stomach
Q. What is the primary function of the stomach in digestion?
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A.
Absorption of nutrients
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B.
Mechanical and chemical digestion
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C.
Storage of bile
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D.
Production of insulin
Solution
The stomach's primary function is to perform mechanical and chemical digestion of food, aided by gastric juices.
Correct Answer: B — Mechanical and chemical digestion
Q. Which enzyme is responsible for breaking down carbohydrates in the mouth?
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A.
Pepsin
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B.
Amylase
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C.
Lipase
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D.
Trypsin
Solution
Salivary amylase is the enzyme that begins the breakdown of carbohydrates in the mouth.
Correct Answer: B — Amylase
Q. Which organ produces bile that aids in the digestion of fats?
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A.
Pancreas
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B.
Liver
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C.
Gallbladder
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D.
Stomach
Solution
The liver produces bile, which is stored in the gallbladder and released into the small intestine to help digest fats.
Correct Answer: B — Liver
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