Question

Place the layers of the alimentary canal in order from the most superficial to deep.

a) Serosa, Muscularis externa, Submucosa, Mucosa
b) Mucosa, Submucosa, Muscularis externa, Serosa
c) Muscularis externa, Serosa, Mucosa, Submucosa
d) Submucosa, Mucosa, Serosa, Muscularis externa
e) Serosa, Submucosa, Muscularis externa, Mucosa

Answer 1

The correct order of the alimentary canal layers from the most superficial to deep is Serosa, Muscularis externa, Submucosa, Mucosa.

Step-by-step explanation:

The layers of the alimentary canal are arranged in the following order from the most superficial (outermost) layer to the deepest layer:

1. Serosa
2. Muscularis externa
3. Submucosa
4. Mucosa

Therefore, the correct answer to the question is:

b) Mucosa, Submucosa, Muscularis externa, Serosa.