The Cumulative (ED) Lifetime Dose for an Occupationally Exposed Worker

question 194

Multiple Choice

The cumulative (ED) lifetime dose for an occupationally exposed worker is _____ mSv × years of age.

• A)100
• B)50
• C)10
• D)1

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Definitions:

Cell-Mediated Immunity

A type of specific immune response carried out by T cells. Compare with antibody-mediated immunity.

Antigen-MHC Complex

A molecular complex on the cell surface where an antigen is presented by major histocompatibility complex molecules for recognition by T-cells.

T Cytotoxic Cells

A type of T cell that kills cancer cells, cells that are infected (particularly with viruses), or cells that are damaged in other ways.

Cell-Mediated Immunity

A type of immune response that does not involve antibodies but rather the activation of phagocytes, antigen-specific cytotoxic T-lymphocytes, and the release of various cytokines in response to an antigen.