Gastrointestinal Tract Quiz

Which of the following is the primary function of the gastrointestinal tract?

• Filtration of blood

• Production of red blood cells

• Digestion and absorption of nutrients

• Regulation of body temperature

Which part of the GIT is primarily responsible for nutrient absorption?

• Stomach

• Small intestine

• Large intestine

• Esophagus

What is the primary function of the stomach in digestion?

• Absorption of nutrients

• Breakdown of carbohydrates

• Storage and mixing of food with digestive juices

• Absorption of water and electrolytes

Which enzyme, secreted by the pancreas, is responsible for the breakdown of proteins in the small intestine?

• Amylase

• Lipase

• Trypsin

• Lactase

The liver produces bile, which is stored in the

• Pancreas

• Stomach

• Gallbladder

• Small intestine

What is the role of the large intestine in digestion?

• Breakdown of proteins

• Absorption of nutrients

• Absorption of water and formation of feces

• Production of digestive enzymes

Which of the following is NOT a part of the small intestine?

• Duodenum

• Jejunum

• Ileum

• Cecum

Which hormone stimulates the secretion of gastric acid in the stomach?

• Insulin

• Gastrin

• Secretin

• Cholecystokinin (CCK)

The process of peristalsis in the GIT is responsible for:

• Secretion of digestive enzymes

• Mixing of food with digestive juices

• Propulsion of food through the digestive tract

• Absorption of nutrients

The primary site for lipid digestion in the GIT is the:

• Mouth

• Stomach

• Small intestine

• Large intestine