The source of undifferentiated T lymphocytes is:

Solutions in which the extracellular osmotic force is greater (higher concentration) than the intracellular environment is known as 

Monoclonal antibodies specific for clusters of differentiation on lymphocytes can be used to:

If an immune dysfunction is suspected in a child, an appropriate work-up would include:

The longest half-life of an antibody in the body’s circulation is associated with which immunoglobulin? 

An immunoassay in which the signal from the assay is low when the patient analyte concentration is high, and high when the patient analyte concentration is low, is most suggestive of which of the following types of assays?

Macroorchidism, short stature, connective tissue abnormalities,  cognitive impairment and behavioral disorders describe the clinical manifestation of what?

In flow cytometry, light defraction or scatter is used to identify cells along with the flurochrome markers. Which of the following statements is true?

In preparing a standard two-fold dilution, which of the following statements is NOT true?

The cell that migrates into extravascular space and differentiates into macrophages, is the: