You receive a sample in the lab for a sodium level.  After c…

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?

A patient with a positive family history of bleeding present…

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