Digestive System: Anatomy and Physiology
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Questions and Answers

Which type of contraction involves the mastication and mixing of food?

  • Secretory contractions
  • Propulsive contractions
  • Segmental contractions (correct)
  • Peristaltic contractions
  • What is the function of mucus secreted along the entire digestive tract?

  • To lubricate the food and lining of the tract (correct)
  • To aid in the movement of molecules out of the digestive tract
  • To stimulate digestive tract motility and secretions
  • To break down large food molecules into smaller molecules
  • Which enzymes break down large food molecules into smaller molecules in the digestive system?

  • Bile enzymes
  • Pancreatic enzymes (correct)
  • Gastric enzymes
  • Salivary enzymes
  • What is the primary process of elimination in the digestive system?

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

    What is the painful developmental disorder caused by the absence of enteric neurons in the distal large intestine?

    <p>Hirschsprung disease</p> Signup and view all the answers

    Which neurotransmitter stimulates digestive tract motility and secretions?

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

    Which hormone helps regulate many digestive tract functions?

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

    Which organ is considered as an accessory organ of the digestive system?

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

    What is the technical term for the tube extending from the mouth to the anus in the digestive system?

    <p>Alimentary tract</p> Signup and view all the answers

    Which process involves the movement of food from one end of the digestive tract to the other?

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

    What is the function of the salivary glands in the digestive system?

    <p>Secreting fluids into the small intestine</p> Signup and view all the answers

    Which part of the small intestine consists of the duodenum, jejunum, and ileum?

    <p>Large intestine</p> Signup and view all the answers

    What is the average time for food to travel through the entire digestive tract?

    <p>$24 - 36$ hours</p> Signup and view all the answers

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