An automated CBC result showed a RBC histogram with two peaks – one peak located in the normal region and the other located to its left. The WBC and platelet histograms are normal. Which patient condition would most likely show this type of histogram?

A 4.0 mg/dL creatinine standard is needed.  To prepare 100 mL of the working standard, how much stock standard of 1 mg/mL creatinine is needed?

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

A potential recipient is crossmatched with four units of RBCs prior to surgery. The AHG crossmatches are all compatible; however, the antibody screen is positive after the antiglobulin test (AHG phase). What should the Clinical Laboratory Scientist do?

Which of the following is a cytopathic effect induced by viral growth?

2.0 mg phenol/ 60min/ 100mL (molecular weight of phenol = 94) is expressed as how many IU?

Out of the below choices, an increased level of circulating thyroid hormone levels are most indicative of

Express 0.0018 μmol/min/mL as IU.

A stock standard of urea nitrogen contains 20 mg/mL of urea nitrogen. How would you make 200 mL of a 20 mg/dL working standard?

Calculate the pH of an acetate buffer composed of 0.30  M sodium and 0.10 M acetic acid (pKa for acetic acid is 4.76)