Question

4. Define or discuss the following terms: edema, eschar, mediastinitis, biological agent, bioweapon, and pandemic.

Answer 1

1) Edema: edema is a medical word used when there is swelling in the body parts due to injury or inflammation. the edema can affect the small local body or entire body. usually affect in legs, arms, ankles.

2) Eschar: eschar is a part of dead tissues that is come out of the surface of the skin. generally after burn injury , gangrene and fungal infections etc.

3) Mediastinitis : Mediastinitis is a nothing but the inflammation of the tissues in the mid chest. it may be either  acute or chronic, like direct contamination, hematogenous or lymphatic spread, extension from the lung etc.

4)biological agent: Biological agents generally found in the natural environment. This include bacteria, viruses, fungi (including yeasts and moulds) and internal human parasites (endoparasites). most of these agents are harmless however some may have potential to kill human body.

5)bioweapon : Bioweapon is a harmful biological agent which can used as a weapon or instrument to cause the death on large scale.

6)pandemic :pandemic is nothing but the influenza virus spreads around the world or to some community people. this pandemic may cause serious death to many parts of the world. example. H1N1, ebola etc.