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Anatomy · Abdomen
Sample itemWhich bowel segment joins the cecum at the ileocecal valve?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Ileum
The terminal ileum enters the cecum through the ileocecal valve, marking the transition from small intestine to large intestine.
Option by option
A. Duodenum
Duodenum is the first small-intestinal segment.
B. Jejunum
Jejunum is the more proximal middle small-intestinal segment.
C. Sigmoid colon
Sigmoid colon is a distal large-bowel segment.
D. Ileum (correct)
Correct: ileum joins the cecum through the ileocecal valve.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.