Physiology of the Stomach and Gastric Juices


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What assists with the mechanical digestion of food inside the stomach?

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1. How are the Parietal cells within the stomach involved in the digestive process?

2. Cindy has been diagnosed with peptic ulcers that require treatment. What has occurred within her stomach to lead to this condition?

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About This Quiz & Worksheet

The stomach has a complex way of breaking down food that includes both chemical and mechanical digestion. This quiz/worksheet combo will help you test your understanding of the processes that happen inside the stomach. Some topics you will be assessed on include mechanical digestion, and the process by which hydrochloric acid is produced.

Quiz & Worksheet Goals

In these assessments, you'll be tested on the functions of:

  • The mechanical digestion of food
  • Cells that produce hydrochloric acid and pepsinogen in the stomach
  • Condition resulting from the loss of the stomach's protective coating of mucus
  • A necessary component for converting inactive pepsinogen to active pepsin

Skills Practiced

  • Distinguishing differences - compare and contrast topics from this lesson, such as inactive pepsinogen and active pepsin
  • Information recall - access the knowledge you've gained regarding the stomach's physiology
  • Knowledge application - use your knowledge to answer questions about why mucous coating is important to the stomach

Additional Learning

To learn more about the stomach, review the accompanying lesson on Physiology of the Stomach and Gastric Juices. This lesson covers the following objectives:

  • Define chyme and pyloric sphincter
  • Understand why the stomach needs to have an acidic environment
  • Know the function of gastrin
  • Understand where the food goes after it has been digested by the stomach
  • Learn which enzyme breaks down proteins