The Correct Order of the Digestive Tube Layers, from Lumen

question 27

Multiple Choice

The correct order of the digestive tube layers, from lumen outward, is: (1) mucosa
(2) muscularis externa
(3) serosa
(4) submucosa

• A)3, 1, 2, 4
• B)4, 1, 2, 3
• C)4, 2, 3, 1
• D)1, 4, 2, 3
• E)1, 4, 3, 2

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A state of sadness or dissatisfaction with life’s circumstances.

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