Distinguishing Manifestation of Ulcerative Colitis

A distinguishing manifestation of Ulcerative Colitis is:
Fat on the surface of the bowel
Hyperemic colon
Herniations of mucosa through colon wall
Bouts of constipation
A patient has been on extended antibiotic therapy and followed by bouts of severe watery diarrhea. The patient has been receiving visitors more frequently the past weeks bringing outside food to share with, The nurse suspects that most likely cause of the patient’s diarrhea is:
Secretory causes
Clostridium difficile infection
Decreased intestinal motility
Bland hospital food