Digestive System Quiz
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Questions and Answers

What is the primary function of sodium bicarbonate in the digestive system?

  • Activates pepsinogen
  • Breaks down carbohydrates
  • Neutralizes stomach acid (correct)
  • Emulsifies fats

Which enzyme is responsible for breaking down fats into fatty acids and glycerol?

  • Bile
  • Lipase (correct)
  • Gastrin
  • Amylase

Where is bile produced and what is its main function?

  • Produced in the liver; emulsifies fats (correct)
  • Produced in the stomach; activates digestive enzymes
  • Produced in the pancreas; breaks down fats
  • Produced in the gallbladder; emulsifies carbohydrates

What type of sugars do disaccharidases break down into?

<p>Simple sugars (D)</p> Signup and view all the answers

What activates pepsinogen in the stomach?

<p>HCl (Hydrochloric Acid) (B)</p> Signup and view all the answers

What is the primary function of hydrolysis in digestion?

<p>To break chemical bonds using water (A)</p> Signup and view all the answers

Which two components are responsible for protein digestion in the small intestine?

<p>Trypsin and chyme (D)</p> Signup and view all the answers

What characterizes the process of peristalsis during digestion?

<p>The wave-like muscle contractions that move food (B)</p> Signup and view all the answers

What is the main function of emulsification in digestion?

<p>To combine immiscible liquids into a stable mixture (D)</p> Signup and view all the answers

How is trypsinogen activated in the digestive process?

<p>By an enzyme/protein acting as a substrate (C)</p> Signup and view all the answers

Flashcards

Hydrolysis

Water is used to break down chemical bonds.

Peristalsis

Wave-like muscle contractions move food through the digestive tract.

Stomach churning

Stomach muscles mix food with digestive juices to break it down.

Trypsinogen

Pancreatic enzyme activated in the small intestine to digest proteins.

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Pepsinogen

Stomach enzyme activated by acid to digest proteins.

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Sodium Bicarbonate

A chemical produced in the pancreas that neutralizes stomach acid in the small intestine, helping to create an environment suitable for digestion.

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Amylase

An enzyme found in saliva and the pancreas that breaks down complex carbohydrates (like starch) into simple sugars.

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Bile

A fluid produced in the liver and stored in the gallbladder, which helps break down fats in the small intestine into smaller droplets.

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Disaccharides

Enzymes produced in the small intestine that break down complex sugars like sucrose, lactose, and maltose into simpler sugars like glucose, fructose, and galactose.

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Lipase

An enzyme produced in the pancreas that breaks down fats into fatty acids and glycerol.

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