Beginner Ileum Quiz

Q1. Which part of the small intestine immediately precedes the ileum?

• Ascending colon
• Jejunum
• Duodenum
• Cecum

Q2. Where does the terminal ileum open?

• Cecum
• Rectum
• Descending colon
• Stomach

Q3. Which mesentery suspends most of the ileum from the posterior abdominal wall?

• Mesentery proper
• Mesoappendix
• Lesser omentum
• Transverse mesocolon

Q4. What is the usual peritoneal classification of the ileum?

• Primarily retroperitoneal
• Secondarily retroperitoneal
• Intraperitoneal
• Extraperitoneal

Q5. Which lymphoid structures are especially prominent in the ileum?

• Peyer patches
• Splenic cords
• Palatine tonsils
• Thymic lobules

Q6. Compared with the jejunum, the ileum generally has which wall characteristic?

• No smooth muscle
• A thinner wall
• Stratified squamous epithelium
• A much thicker wall

Q7. Which circular mucosal folds become less prominent toward the terminal ileum?

• Taeniae coli
• Gastric rugae
• Anal columns
• Plicae circulares

Q8. Which embryologic gut division gives rise to the ileum?

• Midgut
• Proctodeum
• Hindgut
• Foregut

Q9. Which major artery supplies the ileum?

• Inferior mesenteric artery
• Celiac trunk only
• Superior mesenteric artery
• Internal iliac artery

Q10. Which nerve provides parasympathetic innervation to the ileum?

• Pelvic splanchnic nerves
• Vagus nerve
• Phrenic nerve
• Pudendal nerve