Most cafeteria plans offer two different flexible spending accounts; one is for qualified medical expenses and the other is for dependent care expenses. A few cafeteria plans offer other types of FSAs, especially if the employer also offers an HSA.
active immunity see acquired i. artificial immunity acquired (active or passive) immunity produced by deliberate exposure to an antigen, as in vaccination. cell-mediated immunity (CMI), cellular immunity acquired immunity in which the role of T lymphocytes is predominant.genetic immunity innate i.mmunity resulting from the development within the body of antibodies or sensitized T lymphocytes that neutralize or destroy the infective agent. This may result from the immune response to an invading organism or from inoculation with a vaccine containing a foreign antigen.
Phagocytes-Mononuclear phagocytes, Neutrophils, Eosinophils. These cells engulf foreign organisms or particles. They form a link between the specific and the non specific arms of the immune system by presenting foreign fragments on their surface to T-cells and B-cells.ctive immunity is stimulation of the immune system to produce antigen-specific humoral (antibody) and cellular immunity. Unlike passive immunity, which is temporary, active immunity usually lasts for many years, often for a lifetime.