Advanced Small Intestine Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. Which cells of the small intestine secrete lysozyme and have a defensive role?
- M cells
- Enterocytes
- Paneth cells
- Goblet cells
Q2. Which segment of the small intestine is retroperitoneal?
- Jejunum
- Entire small intestine
- Duodenum (except first part)
- Ileum
Q3. Which hormone released by the duodenum stimulates gallbladder contraction?
- Cholecystokinin (CCK)
- Gastrin
- Motilin
- Secretin
Q4. Which intestinal glands secrete alkaline mucus to protect the duodenum from gastric acid?
- Peyer’s patches
- Paneth cells
- Brunner’s glands
- Crypts of Lieberkühn
Q5. Which structure carries absorbed fats from the small intestine into circulation?
- Capillaries
- Sinusoids
- Venules
- Lacteals
Q6. Which immunoglobulin is most abundant in small intestine secretions?
- IgG
- IgA
- IgE
- IgM
Q7. Which structure forms the brush border of intestinal epithelial cells?
- Villi
- Plicae circulares
- Crypts
- Microvilli
Q8. In which part of the small intestine does the major duodenal papilla open?
- Jejunum
- Second part of duodenum
- First part of duodenum
- Terminal ileum
Q9. What is the blood supply to the proximal part of the duodenum?
- Splenic artery
- Inferior mesenteric artery
- Middle colic artery
- Superior pancreaticoduodenal artery
Q10. Which motility pattern sweeps the small intestine during fasting to clear residual food?
- Segmentation
- Mass movement
- Migrating motor complex (MMC)
- Peristalsis