The Digestive System

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Questions and Answers

Which organ is responsible for releasing hydrochloric acid (HCl) in the digestive system?

  • Mouth
  • Intestines
  • Stomach (correct)
  • Esophagus

What is the main enzyme released by the chief cells in the stomach?

  • Amylase
  • Pepsin (correct)
  • Lipase
  • Protease

Which structure regulates the food leaving the stomach?

  • Lower esophageal sphincter
  • Cecum
  • Gastric pits
  • Pyloric sphincter (correct)

Which organ helps with the digestion of carbohydrates, proteins, and lipids?

<p>Pancreas (B)</p> Signup and view all the answers

What is the main function of the liver in digestion?

<p>Makes bile (A)</p> Signup and view all the answers

Which organ is responsible for the absorption of most nutrients in the digestive system?

<p>Intestines (A)</p> Signup and view all the answers

What is the function of the cecum in the digestive system?

<p>Processing fibrous materials (C)</p> Signup and view all the answers

What is the purpose of the vermiform appendix in the digestive system?

<p>Mostly non-functional (A)</p> Signup and view all the answers

What is the role of bile in the digestive system?

<p>Emulsifies fats (B)</p> Signup and view all the answers

Which structure is responsible for storing bile in the digestive system?

<p>Gallbladder (B)</p> Signup and view all the answers

Where does the breakdown of carbohydrates begin in the digestive system?

<p>Mouth (C)</p> Signup and view all the answers

Which organ is responsible for the breakdown of proteins into amino acids?

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

Where does the emulsion of fats into micelles occur?

<p>Small intestine (D)</p> Signup and view all the answers

Which lipoprotein carries triglycerides to the body?

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

Which hormone activates the liver and pancreas while deactivating the stomach?

<p>CCK (A)</p> Signup and view all the answers

Which cells in the stomach secrete hydrochloric acid?

<p>Parietal cells (D)</p> Signup and view all the answers

What is the major function of the liver?

<p>Detoxification (C)</p> Signup and view all the answers

What is the role of leptin in controlling appetite?

<p>Feeling full (B)</p> Signup and view all the answers

Which mineral is responsible for bone health and muscle contraction?

<p>Calcium (B)</p> Signup and view all the answers

Which vitamin is essential for vision?

<p>Vitamin A (C)</p> Signup and view all the answers

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