Correctional officers typically do the following: 1  Enforce rules and keep order within jails or prisons. 2  Supervise activities of inmates. 3  Aid in rehabilitation and counseling of prisoners. 4  Inspect facilities to ensure that they meet security and safety standards. 5  Search inmates for contraband items. 6  Report on inmate conduct.
Hematochezia is the medical term when there is a fresh blood found in the stool or just a passage of fresh blood in the anus.
On this Page. A parasite is an organism that lives on or in a host organism and gets its food from or at the expense of its host. There are three main classes of parasites that can cause disease in humans: protozoa, helminths, and ectoparasites. Protozoa. Protozoa are microscopic, one-celled organisms that can be free-living or parasitic in nature. They are able to multiply in humans, which contributes to their survival and also permits serious infections to develop from just a single organism. Transmission of protozoa that live in a human's intestine to another human typically occurs through a fecal-oral route (for example, contaminated food or water or person-to-person contact).