Quiz: Structure of the Digestive Tract Wall

1. Which of the following layers of the small intestine are nearest the lumen of the small intestine?
a. mucosa
b. serosa
c. submucosa
2. Which layer of the small intestine is involved in peristaltic action?
a. serosa
b. epithelial
c. muscularis externa
3. The parietal peritoneum lines which of the following cavities?
a. thoracic and abdominal
b. abdominal and pelvic
c. abdominal only
4. Which of the following is involved in anchoring the small intestine to the rear abdominal wall?
a. mesentery
b. adventitia
c. muscularis mucosae
5. Which of the following is involved in anchoring the large intestine to the rear abdominal wall?
a. mesentery
b. mesocolon
c. submucosa
6. Which of the following is the most external layer of the small intestine?
a. serosa
b. submucosa
c. muscularis externa

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