Digestive System Overview
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Questions and Answers

What is the medical term for the digestive tract?

  • Gastrointestinal tract (correct)
  • Enteral tract
  • Alimentary canal
  • Digestive tube

    • Which organ is not part of the small intestine?

  • Duodenum
  • Gallbladder (correct)
  • Jejunum
  • Ileum

    • What is the function of the pharynx in the digestive system?

  • Absorb nutrients
  • Secrete digestive juices
  • Digest food
  • Move food from mouth to esophagus (correct)

    • What is the term for the process by which the teeth chew food in the mouth?

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

    What is the approximate duration for food to travel the length of the digestive tract?

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

    Which organ does not belong to the digestive system?

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

    What is the function of mucus in the digestive tract?

    <p>To coat and protect the lining of the digestive tract</p> Signup and view all the answers

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

    <p>Mechanical digestion</p> Signup and view all the answers

    What is the function of enteric sensory neurons in the digestive tract?

    <p>Detect changes in the chemical composition of digestive tract contents or detect mechanical changes</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

    What does the process of absorption involve?

    <p>Moving molecules out of the digestive tract and into the blood or lymphatic system</p> Signup and view all the answers

    What is the primary function of segmental contractions in the small intestine?

    <p>To propel food by moving it back and forth within the digestive tract</p> Signup and view all the answers

    What is the function of liver secretions in digestion?

    <p>Break down large lipids into much smaller droplets</p> Signup and view all the answers

    What is Hirschprung disease primarily caused by?

    <p>Absence of enteric neurons in the distal large intestine</p> Signup and view all the answers

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