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* this question from Kaplan lecture has problem
 #858126  
  zhangji - 05/19/19 08:36
 
  what is the most common lab testing method for diagnosing infectious mononucleosis
a the monospot test to detect EBV-specific antibody
b an assay for Epstein-Barr nuclear antigen
c the presence of atypical lymphocytes in the blood establishes the etiology
d a test for heterophile antibody which cross-reacts with antigens found on a variety of animal red blood cells
e a simple procedure is done to isolate EBV from saliva, blood or lymphoid tissue


the question is diagnosing mononucleosis
answer is heterophile antibody

However, heterophile antibody is negative in CMV induced mononucleosis but it is positive in EBV induced mononucleosis.
 
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