Mechanical and Chemical Digestion in the Mouth
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Questions and Answers

What is the primary function of the stomach in the digestive process?

  • To break down food into smaller particles
  • To release food into the large intestine
  • To absorb nutrients into the bloodstream
  • To mix saliva, food, and gastric juice to form chyme (correct)

    • What is the name of the enzyme that begins the digestion of proteins in the stomach?

  • Pepsin (correct)
  • Intrinsic factor
  • Gastric lipase
  • HCl

    • What is the term for the movement of food from the mouth into the stomach?

  • Deglutition (correct)
  • Peristalsis
  • Mastication
  • Gastric contraction

    • What is the purpose of HCl in the gastric juice?

    <p>To denature proteins and kill bacteria</p> Signup and view all the answers

    How many stages are involved in the process of swallowing?

    <p>Three</p> Signup and view all the answers

    What is the primary function of gastric emptying?

    <p>Transferring chyme into the small intestine</p> Signup and view all the answers

    What is the primary function of pancreatic juice in the small intestine?

    <p>To buffer acidic gastric juice and create the proper pH for digestive enzymes</p> Signup and view all the answers

    What is the role of enterokinase in the small intestine?

    <p>To activate trypsinogen</p> Signup and view all the answers

    Which of the following is NOT a function of the liver?

    <p>Protein synthesis</p> Signup and view all the answers

    What is the primary component of bile?

    <p>Water</p> Signup and view all the answers

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