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Four serum specimens were analyzed for electrolytes. Which set of results is most likely in error?:

Given the ABO results below, what is the most likely cause for this discrepancy?  Anti-A Anti-B A1 cells B cells Auto control x Patient 3+ 3+ 2+ 2+ 1+ x

In which of the following disease state is conjugated bilirubin a major serum component?

The lowest concentration of antibiotic that inhibits growth of a test organism is the:

A female patient is being evaluated for infertility.  Which of the following hormones would possibly be linked to her condition?

The direct antiglobulin test is useful for the investigation of all the following EXCEPT:

Urine from a person with an increased plasma total bilirubin is found to have an abnormally high level of urobilinogen and normal bilirubin.  Which is the most likely cause of these findings?

On Monday, a patient’s K antigen typing result was positive. Two days later, the patient’s K typing was negative. The patient was transfused with 2 units of FFP. The tech might conclude that the:

Slight hemolysis can cause erroneous laboratory results in which serum analyte?

The direct antiglobulin test is useful for the investigation of all the following EXCEPT: