Put the following layers of the digestive tract wall in order from the lumen to the deepest layer.
1) lamina propria
2) muscularis externa
3) submucosa
4) digestive (mucous) epithelium
5) serosa
6) muscularis mucosae
A) 5, 2, 3, 6, 1, 4
B) 4, 1, 6, 3, 2, 5
C) 4, 6, 3, 1, 2, 5
D) 5, 4, 2, 6, 1, 3
E) 1, 4, 3, 6, 2, 5

Question

Quizplus · Accepted Answer

The order from the lumen to the deepest layer is as follows: 4) digestive (mucous) epithelium, 1) lamina propria, 3) submucosa, 6) muscularis mucosae, 2) muscularis externa, and 5) serosa. Therefore, choice B is the correct order.

Put the Following Layers of the Digestive Tract Wall in Order