1.2 GI Tract - Structure & Function

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  • Created by: egreen94
  • Created on: 04-10-20 16:15

1. What is the function of saliva

  • Only to lubricate chewing and swallowing food
  • Buffer mouth pH between 6.2 and 7.4
  • Buffer mouth pH between 6.4 and 7.2
  • pH buffer to keep mouth alkaline
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Other questions in this quiz

2. What is the acidic component of gastric juice

  • enzymes
  • hydrochloric acid
  • gastric acid
  • electrolytes

3. Where are pepsinogen and gastric lipase found?

  • Stomach
  • Pancreas
  • Liver
  • Small intestine

4. What is the action of physically breaking down and hydrating food

  • peristalsis
  • mastication
  • creating a bolus
  • segmentation

5. What are the 3 layers of the stomachs muscular sac

  • smooth, circular, skeletal
  • ascending, transverse, descending
  • longitudinal, circular, oblique
  • latitudinal, circular, oblique

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