A sample of turbid knee fluid arrives in your laboratory and needs to be analyzed for the presence of white blood cells (WBC).An initial test reveals that the WBC concentration is higher than the upper limit of the automated blood analyzer.Which of the following should be done in order to achieve an accurate reading?

Question

Quizplus · Accepted Answer

Performing a dilution of the sample will decrease the concentration of WBCs and allow for an accurate reading within the range of the automated blood analyzer. Option A would not be accurate as the high concentration of WBCs is above the upper limit of the analyzer. Obtaining another sample (option B) may not be feasible or necessary. Ordering a more sensitive machine (option C) may not be necessary or practical. Dilution will be a quicker and more practical solution in this scenario.

A Sample of Turbid Knee Fluid Arrives in Your Laboratory