Your lab is implementing a new test, and one of the requirements when implementing a new test is to verify or establish reference ranges.  Since this is a test your lab has never offered, ranges must be established.  Which of the following is true regarding the procedure to establish references ranges?

The closeness of a test result to the analyte’s true value is:

You receive a sample in the lab for a sodium level.  After centrifuging to obtain the patient’s serum, you place the sample on the analyzer.  This particular analyzer uses an indirect method for measuring serum electrolytes.  Which of the following is true regarding this method of testing?

Identify the structures at the arrows.    image014643987d8.jpg

The selectivity of an ion-selective electrode is determined by the

A MLS was performing a urinalysis test on a sample that was red in color.  During testing, a small amount splashed in their eye.  What is the first step they should take?

With which of the following conditions are the red cell changes in the image most consistent (Source: peripheral blood)   image007643987d8.jpg

A patient with a positive family history of bleeding presents to the Emergency Room with the following results. The patient is not on any anticoagulant medication. What is the most likely diagnosis?   TEST   RESULT   REFERENCE INTERVAL     Platelet Count   43,000/uL   150,000 – 450,000/uL     PT   39.5 seconds   10.5 – 13.5 seconds     aPTT   64 seconds   25.0 – 35.0 seconds

All the following are true regarding laboratory CLIA licenses, except:

This is an example of a multiple choice question, like what you will see on quizzes and the final.