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18 Questions

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Small Intestine Function and Structure

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Questions and Answers

What determines the length of the small intestine in animals?

Weight of the animal

Age of the animal

Color of their fur

Type of food they eat (correct)

Why do herbivores like cows need a longer small intestine compared to carnivores like tigers?

To allow cellulose digestion (correct)

To absorb more water

To increase bile production

To digest meat efficiently

What is the function of bile in digestion in the small intestine?

Aid in amino acid absorption

Make acidic food alkaline for enzyme action (correct)

Break down complex carbohydrates

Act as an emulsifier for proteins

Which enzyme present in pancreatic juice is responsible for digesting proteins?

Trypsin Signup and view all the answers

Why are fats present in the intestine in the form of large globules initially?

To increase efficiency of enzyme action Signup and view all the answers

What is the primary role of intestinal juice in the small intestine?

Convert proteins to amino acids Signup and view all the answers

What is the main function of the small intestine in digestion?

Absorption of digested nutrients into the bloodstream Signup and view all the answers

How does bile produced by the liver aid in digestion?

Emulsifies fats to enhance fat digestion Signup and view all the answers

Which enzyme is responsible for breaking down carbohydrates in the small intestine?

Amylase Signup and view all the answers

What is the role of pancreas in digestion?

Produces enzymes for digestion of proteins, fats, and carbohydrates Signup and view all the answers

Why is it important for the small intestine to have a large surface area?

To increase absorption of digested nutrients into the bloodstream Signup and view all the answers

How does pepsin contribute to digestion in the stomach?

Creates an acidic medium for protein digestion Signup and view all the answers

What is the function of the villi in the small intestine?

Increase the surface area for absorption Signup and view all the answers

Where does the absorbed food taken by blood vessels from villi go next?

To each cell of the body for energy usage Signup and view all the answers

What role does bile play in digestion?

Emulsify fats for better digestion and absorption Signup and view all the answers

Which organ produces enzymes that aid in the digestion of proteins, carbohydrates, and fats in the small intestine?

Pancreas Signup and view all the answers

How does dental caries or tooth decay begin?

When bacteria produce acids that soften enamel Signup and view all the answers

What is the purpose of the exit regulated by the anal sphincter?

To remove waste material from the body via the anus Signup and view all the answers