Beginner Ileum Quiz

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

• Jejunum
• Ascending colon
• Cecum
• Duodenum

Q2. Where does the terminal ileum open?

• Descending colon
• Rectum
• Stomach
• Cecum

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

• Transverse mesocolon
• Mesentery proper
• Lesser omentum
• Mesoappendix

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

• Secondarily retroperitoneal
• Intraperitoneal
• Extraperitoneal
• Primarily retroperitoneal

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

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

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

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

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

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

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

• Hindgut
• Proctodeum
• Midgut
• Foregut

Q9. Which major artery supplies the ileum?

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

Q10. Which nerve provides parasympathetic innervation to the ileum?

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