MCQs on Campylobacter spp and Helicobacter spp Figure: Colonies of Campylobacter jejuni after 48 hours of incubation on a selective medium in a microaerobic atmosphere. (Reference: Bailey & Scott's Diagnostic Microbiology) 1. A 25 year old male arrives at the emergency room with a two-day history of gastrointestinal symptoms. He reports severe abdominal cramps, frequent watery diarrhea, nausea, vomiting, and a low-grade fever. He also mentions that he has had occasional blood in his stool. ...