Anatomy: Small Intestine Structures and Functions

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18 Questions

How is pepsinogen converted into the active form pepsin?

By the low pH in the stomach

What is the role of bile in digestion?

Break down fat into tiny droplets for better enzyme activity

What is the role of mucous in the stomach lining?

Prevents acid and enzymes from damaging the stomach wall

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

Trypsin

Which organ secretes the majority of digestive enzymes involved in digestion?

Pancreas

What is the main function of the pancreas in the digestive system?

Release pancreatic juice into the small intestine

What do alkaline salts in pancreatic juice do in the small intestine?

Neutralize acidic chyme

What is the main function of bile in digestion?

Emulsify fats for better digestion

How do ridges, villi, and microvilli contribute to small intestine function?

Increase surface area for absorption

Which enzyme is responsible for breaking down proteins into smaller chains?

Pepsin

Which component of bile helps in emulsifying fats for digestion?

Alkaline salts

What is the composition of pancreatic juice primarily responsible for?

Digesting proteins and fats

What is the role of bile in digestion?

Emulsify fats for better digestion and absorption

Which enzyme is primarily responsible for breaking down proteins in the stomach?

Pepsin

What is the primary function of the small intestine in the digestion process?

Absorption of nutrients

What are the main functions of the pancreas in digestion?

Secretion of digestive enzymes and bicarbonate

Which component is found in pancreatic juice?

Amylase

What is the function of pancreatic lipase in digestion?

Break down fats into fatty acids and glycerol

Learn about the structures and functions of the small intestine, including villi, microvilli, and chemical digestion. Explore how the small intestine increases surface area for absorption and the role of the liver in producing bile.

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