A serum glucose sample is too high to read, so a 1:5 dilution using saline (dilution A) is made.  Dilution A was tested and again is too high to read.  A further 1:2 dilution is made using saline (dilution B).  To calculate the result, the dilution B value must be multiplied by?  

When using a refractometer to measure urine concentration, the laboratorian must correct for which of the following in their calculations? 

Oval fat bodies are? 

A living microbe with reduced virulence that is used for vaccination purposes is considered? 

Antigen recognition by CD4-positive T cells requires:

One of the key morphological features of the nucleated red cell stages is:

Which of the following is the formula for calculating the dilution of a solution? 

An individual has been sensitized to the k antigen and has produced anti-k.  What is the most probable KEL system genotype for this individual? 

________ may be seen in intravascular hemolysis but not in extravascular hemolysis.

Which of the following require laboratories to establish a chemical hygiene plan?