Digestive System Quiz

What is the initial site of digestion in the human body?

• Stomach

• Esophagus

• Mouth

• Small Intestine

What is the function of the epiglottis?

• To secrete digestive enzymes

• To block the trachea so only liquid and solids enter

• To increase surface area for absorption

• To produce bile

Which cells in the stomach secrete hydrochloric acid (HCl)?

• Mucus cells

• Chief cells

• Parietal cells

• G cells

What is the creamy mass of digested food in the stomach called?

• Bolus

• Chyme

• Pepsinogen

• Bile

Which part of the small intestine is primarily responsible for the majority of nutrient absorption?

• Duodenum

• Jejunum

• Ileum

• Cecum

What is the main function of the large intestine?

• To secrete digestive enzymes

• To absorb water and electrolytes

• To produce bile

• To neutralize stomach acid

Which organ produces bile?

• Stomach

• Pancreas

• Liver

• Small Intestine

What is the role of the pancreas in digestion?

• To produce bile

• To secrete bicarbonate and digestive enzymes

• To absorb nutrients

• To store bile

Which enzyme is responsible for digesting proteins in the stomach?

• Amylase

• Lipase

• Pepsin

• Nuclease

What is the function of villi in the small intestine?

• To secrete mucus

• To increase surface area for absorption

• To produce digestive enzymes

• To neutralize stomach acid