Intermediate Small Intestine Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. Which structure releases digestive enzymes into the duodenum?
- Pancreas
- Liver
- Gallbladder
- Stomach
Q2. What are the circular folds in the small intestine called?
- Villi
- Haustra
- Plicae circulares
- Crypts of Lieberkühn
Q3. Which part of the small intestine has the most abundant Peyer's patches?
- Ileum
- Duodenum
- Jejunum
- Colon
Q4. Which artery primarily supplies the jejunum and ileum?
- Superior mesenteric artery
- Celiac trunk
- Inferior mesenteric artery
- Gastroduodenal artery
Q5. What is the main function of brush border enzymes?
- Complete digestion
- Protect from pathogens
- Emulsify lipids
- Absorb fats
Q6. Which nerve primarily controls parasympathetic innervation of the small intestine?
- Hypoglossal nerve
- Glossopharyngeal nerve
- Vagus nerve
- Phrenic nerve
Q7. Which structure prevents the backflow of contents from the large intestine into the small intestine?
- Ileocecal valve
- Cardiac sphincter
- Anal sphincter
- Pyloric sphincter
Q8. Which intestinal segment has the highest rate of iron absorption?
- Colon
- Duodenum
- Ileum
- Jejunum
Q9. Which hormone stimulates the release of pancreatic bicarbonate secretion?
- Motilin
- Secretin
- Cholecystokinin
- Gastrin
Q10. Which type of contraction in the small intestine mixes chyme without advancing it?
- Peristalsis
- Reverse peristalsis
- Mass movement
- Segmentation
