NURSING ANM AND GNM

Detailed explanation-1: -The term “etiology” means the science of causes; from a scientific perspective, all diseases must have causes. A cause is something that produces an effect; in epidemiology it is customary to distinguish necessary cause, sufficient cause, proximal cause, and distal cause.

Detailed explanation-2: -Etiology in medicine is defined as the determination of a cause of disease or pathology. Its influence on the development of civilization can be traced back to several impressive findings, ranging from the germ theory of pathology to the modern understanding of the source of diseases and their control.

Detailed explanation-3: -An example of an etiologic agent responsible for a disease of extrinsic etiology would be the rhinovirus, which causes the common cold. Other diseases of extrinsic etiology include: infectious illnesses, animal bites/stings, exposure to radiation/chemicals/electricity, or diseases of iatrogenic nature.

Detailed explanation-4: -Opportunities for prevention arise at every stage in the process, and three main levels are described: primary, secondary, and tertiary.