#1
Which enzyme breaks down proteins in the stomach?
Amylase
Lipase
Pepsin
Trypsin
#2
Where does most of the absorption of nutrients occur in the digestive system?
Stomach
Small intestine
Large intestine
Esophagus
#3
What is the function of the enzyme amylase?
To break down carbohydrates
To break down proteins
To break down lipids
To break down nucleic acids
#4
Which of the following is NOT a part of the alimentary canal?
Stomach
Esophagus
Liver
Large intestine
#5
What is the function of the epiglottis during swallowing?
To produce saliva
To close off the trachea
To initiate peristalsis
To release digestive enzymes
#6
Which of the following is NOT a function of saliva in the digestive system?
Moistening food
Breaking down proteins
Initiating digestion of carbohydrates
Protecting teeth from bacteria
#7
Which organ produces bile?
Liver
Stomach
Pancreas
Gallbladder
#8
What is the primary function of the large intestine?
Digestion of proteins
Absorption of nutrients
Absorption of water and electrolytes
Production of bile
#9
Where are most digestive enzymes produced?
Stomach
Small intestine
Liver
Pancreas
#10
What is the function of villi in the small intestine?
To increase surface area for absorption
To produce digestive enzymes
To store bile
To secrete mucus
#11
What is the pH level of the stomach during digestion?
Neutral (pH 7)
Slightly acidic (pH 4-5)
Highly alkaline (pH 8-9)
Highly acidic (pH 1-2)
#12
Which of the following is NOT a component of pancreatic juice?
Amylase
Lipase
Trypsin
Pepsin
#13
What is peristalsis?
The breakdown of food into smaller particles
The movement of food through the digestive tract
The absorption of nutrients in the small intestine
The release of enzymes to digest food
#14
Which hormone stimulates the release of gastric juice in the stomach?
Insulin
Glucagon
Gastrin
Secretin
#15
What is the function of the enzyme maltase?
To break down fats
To break down proteins
To break down nucleic acids
To break down disaccharides into monosaccharides
#16
Which of the following is a function of the large intestine?
Absorption of water and electrolytes
Production of gastric juice
Digestion of proteins
Secretion of bile
#17
What is the function of the enzyme lactase?
To break down fats
To break down proteins
To break down lactose into glucose and galactose
To break down nucleic acids