Plaque Reduction Neutralization Tests Are Based on the Fact That

question 24

Multiple Choice

Plaque reduction neutralization tests are based on the fact that

• A) T cells will release interferon- gamma during certain infections.
• B) a reporter enzyme can be bound to an antibody to provide a visual change with a positive test.
• C) antibodies bound to antigen will precipitate in a gel matrix.
• D) antibodies have two antigen- binding sites and will cause clumping when bound to antigen.
• E) the presence of antibodies in a patient's serum will prevent viral infection of cells in culture.

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Definitions:

Thoracolumbar

Pertains to the thoracic (chest) and lumbar (lower back) sections of the spine.

Preganglionic Fibers

Nerve fibers that extend from the central nervous system to a ganglion in the autonomic nervous system.

Parasympathetic Ganglion

A cluster of nerve cell bodies within the parasympathetic division of the autonomic nervous system, involved in rest and digest functions.

Ciliary Ganglion

A parasympathetic ganglion located in the orbit that plays a role in controlling the ciliary muscles of the eye, affecting lens shape and pupil size.