A patient has a prolonged non-therapeutic PT and a normal aPTT. The physician orders a PT mixing study. The results are as follows: PT Test1:1 Mix (Room Temp)1:1 Mix (Incubated for 90 min.)32 sec.22 sec.23 sec. Which factor may be present in abnormally low levels and causing the prolongation? Please select the single best answer Factor XIFactor VIIFactor IXFactor VIII
[Answered]: A patient has a prolonged non-therapeutic PT and…
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