Gastrointestinal Motilities Quiz
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Questions and Answers

What is the purpose of mastication (chewing)?

  • Breaking down food into small particles
  • Transporting food to the stomach
  • Initiating the swallowing reflex
  • Mixing food with saliva and grinding (correct)

    • What initiates the chewing reflex?

  • Activation of the cerebral cortex
  • Presence of food in the stomach
  • Activation of the pharyngeal mucosa
  • Muscle stretching caused by drop of the lower jaw (correct)

    • What happens during the voluntary stage of deglutition (swallowing)?

  • Tongue pressing food against soft palate (correct)
  • Contraction of pharynx
  • Initiation of swallowing reflex
  • Activation of esophageal peristalsis

    • What induces movement of bolus along esophagus during deglutition?

    <p>Esophageal peristalsis</p> Signup and view all the answers

    What promotes mixing during mastication?

    <p>Movements of the tongue</p> Signup and view all the answers

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