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A clinical laboratory scientist performed a competitive protein binding procedure for thyroxine. Following separation of the free and bound materials, the color reaction was carried out on the bound material and an increased amount of color ws observed. What can the clinical laboratory scientist conclude from this observation?

Urine specimens that will NOT be tested within one hour of collection should

The most common chromosome abnormality in Acute Promyelocytic Leukemia is

Reproducibility can be described as:

Which of the following terms identifies the chemical reagent with the highest purity?

A physician orders a factor IX assay. Which of the following screening tests had most likely been performed and found to be abnormal?

A patient has developed a severe case of diarrhea following prolonged treatment with ampicillin. A retosigmoidoscopy was performed and pseudomembranes were observed. Which of the following organisms would most likely be the causative agent:

Polystyrene containers are unsuitable for specimen transport offsite because they

A urinalysis was performed on a sample and the results were as follows: pH            5.5 Protein     2+ Glucose   2+ Ketones   2+ Blood       Neg Bilirubin   Pos Uro          Normal Nitrite      Pos LE           Pos If the sample was stored in the refrigerator with the cap loose and was retested after 6 hours, which result would be altered?

A complete metabolic profile (CMP) was ordered on a patient at 0600 and was collected into a serum separator tube (SST) spun and the serum separated. At 1000 a consulting physician ordered a cold agglutination titer on the blood sample previously drawn. What action should the Clinical Laboratory Scientist take?