PATHOLOGY

Detailed explanation-1: -Active immunity can be acquired through natural immunity or vaccine-induced immunity. Natural immunity is acquired from exposure to the disease organism through infection with the actual disease.

Detailed explanation-2: -A type of immunity that develops when a person’s immune system responds to a foreign substance or microorganism, or that occurs after a person receives antibodies from another source.

Detailed explanation-3: -Active immunity is usually classified as natural or acquired. Wild infection for example with hepatitis A virus (HAV) and subsequent recovery gives rise to a natural active immune response usually leading to lifelong protection.

Detailed explanation-4: -Acquired immunity is immunity you develop over your lifetime. It can come from: a vaccine. exposure to an infection or disease. another person’s antibodies (infection-fighting immune cells)

Detailed explanation-5: -Which patient will develop active immunity? A patient who: a. has natural exposure to an antigen or receives an immunization.