Crohns disease ulcerative colitis

Match the degree of bowel wall ulceration to the correct disease. A. Transmural B. Mucosa and submucosa only

1: Crohn’s disease: A; Ulcerative colitis: A
2: Crohn’s disease: A; Ulcerative colitis: B
3: Crohn’s disease: B; Ulcerative colitis: A
4: Crohn’s disease: B; Ulcerative colitis: B