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Question 1 of 31
What are the four layers of the gastrointestinal tract from deep to superficial?
A. Mucosa, Submucosa, Muscularis, Serosa/adventitia
B. Serosa/adventitia, Muscularis, Submucosa, Mucosa
C. Submucosa, Mucosa, Serosa/adventitia, Muscularis
D. Muscularis, Serosa/adventitia, Mucosa, Submucosa