Digestion and Urinary system Quiz

Bile is made by which digestive organ?

• Gallbladder

• Stomach

• Rectum

• Liver

Where in the digestive system does the majority of nutrient absorption occur?

• Stomach

• Small intestine

• Large intestine

• Mouth

What is the primary role of the stomach in digestion?

• Absorbing nutrients

• Chewing and grinding food

• Secreting digestive enzymes and acid to break down food

• Transporting food to the intestines

Which of the following is NOT an organ of the digestive system?

• Liver

• Kidney

• Pancreas

• Gallbladder

What is peristalsis?

• The process of absorbing nutrients through the intestinal walls

• The chemical breakdown of food into smaller molecules

• The rhythmic contractions that move food through the digestive tract

• The elimination of waste products from the body

Which nutrient is primarily absorbed in the large intestine?

• Proteins

• Fats

• Water

• Carbohydrates

What role does the liver play in digestion?

• It produces enzymes that are essential for nutrient absorption.

• It secretes bile to help digest fats.

• It absorbs vitamins and minerals from food.

• It grinds food to enhance digestion.

How does the structure of the small intestine aid in nutrient absorption?

• By having a smooth, impermeable lining

• By being short and wide to speed up food transit

• By having villi and microvilli that increase surface area

• By secreting large amounts of acid to break down food quickly

What is the function of digestive enzymes?

• To move food through the digestive tract

• To increase the pH of the stomach

• To break down food molecules into nutrients that can be absorbed

• To absorb nutrients directly into the blood

Which of the following statements about the digestive system is FALSE?

• The stomach can absorb some water and alcohol.

• The large intestine is the primary site for water absorption.

• The pancreas produces hormones that regulate blood sugar levels.

• The esophagus is involved in the chemical digestion of food.