Gastrointestinal system

• What 2 structures pass through the inguinal canal in women (in health)?

  Round ligament and ilioinguinal nerve
• An incarcerated hernia occurs when herniated tissue becomes trapped and cannot easily be moved back into place.
• An indirect hernia can result from the failure to regress of which structure?

  processus vaginalis
• Why do all femoral hernias require surgical intervention?

  Increased risk of strangulation
• Crohn's disease exhibits transmural inflammation.
• Which investigation is most useful to distinguish between inflammatory bowel disease (IBD) and irritable bowel syndrome (IBS)?

  Faecal calprotectin