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

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

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

Which of the following is the formula for manual white cell count?

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:

A blue top tube is drawn for coagulation studies. The sample is a short draw. The results may be:

Which of the following blood types necessitates that a separate Rh control tube must be set up when using monoclonal anti-D reagent?

The glucose level in normal peritoneal fluid should be:

After staining a peripheral blood smear with Wright’s stain and a buffer with the correct pH, the RBCs appear pale pink and the WBCs stain very weakly with little-to-no nuclear detail.  One possible explanation is:

Protozoan cysts are found in a wet mount of sediment from ethyl-acetate concentrated material. The cysts are without peripheral chromatin on the nuclear membrane. Each cyst has four nuclei and each nucleus has a large karyosome that appears as a refractive dot. These oval-shaped cysts are most likely: