<prompt> Which of the following is more characteristic of ulcerative colitis when compared to Crohns disease regional enteritis?segmental involvementgranulomaslymph node involvementrectal bleeding  <response>: Rectal bleeding is more characteristic of ulcerative colitis, as is malignancy with long-standing disease, but both can occur in regional enteritis. Transmural involvement, lymph node involvement, skip lesions, granulomas, and anorectal complications abscesses, fistulas, fissures are characteristic of Crohns disease. 