Question

Identify the correct statement with reference to the human digestive system.

• A. Ileum opens into the small intestine.
• B. Serosa is the innermost layer of the alimentary canal.
• C. The ileum is a highly coiled part
• D. Vermiform appendix arises from the duodenum.

Answer 1

The correct option is C

The ileum is a highly coiled part

The correct option is C.

Explanation for the correct option:

1. The small intestine has 3 regions.
2. The duodenum is the small intestine's first C-shaped region.
3. The jejunum is the small intestine's long, coiled middle section.
4. The ileum is the small intestine's final section and is highly coiled.

Explanation for the incorrect options:

Option A:

The ileum connects to the caecum.

Option B:

1. The caecum gives rise to the vermiform appendix.
2. The alimentary canal wall has four layers: serosa, muscularis, submucosa, and mucosa.
3. The outermost layer of the alimentary canal, the serosa, is made up of epithelial tissue.
4. The mucosa is the innermost layer that lines the lumen of the alimentary canal.

Option D:

The caecum gives rise to the vermiform appendix.

Final answer: The correct statement is the ileum is a highly coiled part.