GIT Physiology: Digestive System Functions
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Questions and Answers

Which of the following is NOT a component of the digestive system?

  • Pancreas
  • Liver
  • Alimentary tract
  • Lungs (correct)

    • Which division of the autonomic nervous system increases gastrointestinal motility and secretion?

  • Sympathetic
  • Both divisions equally
  • Parasympathetic (correct)
  • Neither division

    • What is the primary function of the myenteric plexus?

  • Digest food
  • Control motility (contractions) (correct)
  • Control secretion and blood flow
  • Regulate hormone secretion

    • What stimulates the secretion of gastrin hormone?

    <p>Both B and C</p> Signup and view all the answers

    Which of the following is NOT a function of the gastrointestinal tract?

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

    What is the main function of the Secretin hormone?

    <p>Stimulates pancreatic secretion rich in bicarbonate</p> Signup and view all the answers

    What is the function of Cholecystokinin (CCK) hormone in the gastrointestinal system?

    <p>Stimulates the contraction of the gallbladder</p> Signup and view all the answers

    Which salivary gland is responsible for the highest percentage of salivary secretion?

    <p>Submandibular glands</p> Signup and view all the answers

    Which component of saliva is responsible for starting the digestion of starches?

    <p>Amylase enzyme</p> Signup and view all the answers

    What stimulates the secretion of Secretin hormone in the duodenum?

    <p>Increased acidity of the duodenum</p> Signup and view all the answers

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