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WorksheetsSmall Intestine and Digestion Quiz
Total questions: 15
Worksheet time: 8mins
What is the primary function of the small intestine?
To digest food
To produce digestive enzymes
To absorb digested food molecules into the blood
To store food
Which of the following molecules is absorbed from the digestion of starch?
Glycerol
Fatty acids
Amino acids
Glucose
What are the walls of the small intestine lined with?
Intestinal villi
Lacteals
Blood capillaries
Microvilli
What is the singular form of 'villi'?
Villius
Vill
Villas
Villus
How do villi increase the efficiency of absorption in the small intestine?
By reducing the length of the intestine
By storing digested food
By increasing the surface area
By producing digestive enzymes
What is the length of a flat line between points A and B in the example given?
20 centimeters
15 centimeters
10 centimeters
5 centimeters
What is the function of microvilli on epithelial cells?
To produce enzymes
To increase surface area
To transport blood
To store nutrients
What is the role of blood capillaries in the villi?
To store digested food
To produce digestive enzymes
To provide a good blood supply
To increase surface area
What is absorbed into the lacteal in each villus?
Glucose
Amino acids
Vitamins
Fatty acids and glycerol
What happens to the products of lipid digestion after they are absorbed into the lacteal?
They are excreted
They eventually reach the bloodstream at a different point
They are transported to the liver
They are stored in the villi
Which of the following is NOT a molecule absorbed in the small intestine?
Glucose
Amino acids
Fatty acids
Starch
What increases the surface area of the small intestine?
Villi
Lacteals
Microvilli
Blood capillaries
What is the function of epithelial cells in the small intestine?
To produce digestive enzymes
To increase surface area with microvilli
To store nutrients
To transport blood
Which structure in the villi absorbs most materials into the blood?
Microvilli
Epithelial cells
Lacteal
Blood capillaries
What is the purpose of the simplified diagram showing a single villus?
To show the process of digestion
To illustrate the absorption of food molecules
To demonstrate enzyme production
To explain blood circulation
