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There Are Four Basic Layers of the Digestive Tract

Question 24

Multiple Choice

There are four basic layers of the digestive tract. Arrange them in order from the lumen (deep to superficial) .


A) submucosa, serosa, muscularis externa, and mucosa
B) mucosa, submucosa, muscularis externa, and serosa
C) muscularis externa, serosa, mucosa, and submucosa
D) serosa, mucosa, submucosa, and muscularis externa

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