NURSING ANM AND GNM

Detailed explanation-1: -These normal flora provide us with many benefits, which include: They prevent colonization by pathogens by competing for attachment & nutrients. Some synthesize vitamins that are absorbed as nutrients by the host (e.g. K & B12). Some produce substances that inhibit pathogenic species.

Detailed explanation-2: -Normal flora is found in all areas of the human body exposed to the environment (one exception is the lungs), but internal organs and body fluids are considered sterile in a healthy individual. This is generally true, although bacteria are sometimes found in these “sterile” tissues even in healthy people.

Detailed explanation-3: -The normal flora is beneficial for the body in several ways: Helps in digestion and metabolism. It helps in preventing harmful bacteria from developing infections in the body by competing with them for colonizing sites and nutrition. They synthesize and form vitamins like vitamin K, which are used by the host.

Detailed explanation-4: -The normal intestinal flora is responsible for resistance to colonization by exogenous pathogenic microorganisms. Nevertheless, it also constitutes a reservoir of potentially pathogenic bacteria in close contact with the host. These bacteria are responsible for opportunistic infections in immunocompromised hosts.