The Main Difference Between Ulcerative Colitis and Crohn's Disease Is

Multiple Choice

The main difference between ulcerative colitis and Crohn's disease is ulcerative colitis causes inflammation _____.

A) in the upper lining of the small intestine and colon,whereas Crohn's disease causes inflammation deep in the lining of the colon wall
B) throughout the GI tract,and Crohn's disease causes inflammation only in the colon
C) deep in the lining of the colon,whereas Crohn's disease causes inflammation in the upper lining of the colon wall
D) only in the colon,and Crohn's disease causes inflammation throughout the GI tract