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Activated T lymphocytes are capable of which of the following:

Immunodeficiency may be the result of:

Which of the following are soluble mediators of an immune response released during T cell activation?

The substance present in the patient serum, tested for by the RPR and VDRL is:

Which of the following antigens are found on the T cell subset known as helpers?

An RPR card test was performed on a spinal fluid sample was non-reactive.  The physician was skeptical and asked for a repeat test of the spinal fluid. The RPR result was reactive at a 1:1 dilution. The result:

In a secondary immune response, the cells responsible for promoting a stronger and faster reaction to an antigenic stimulus are:

The quality of agglutination or precipitation test results depends on:

17) Determine whether the pair of lines is parallel, perpendicular, or neither. 

Diminished immunoglobulin levels can be related to: