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General Medicine General 9553ee94

A clinical laboratory performs real-time PCR for detection of MRSA in the area where specimens are plated. The supervisor discovers that the last 50 specimens tested were positive. However, companion cultures were positive for only 15 of the specimens. What is the most likely reason for this discrepancy?

A
Real-time PCR is more sensitive than culture
B
Real-time PCR is more specific than culture
C
The PCR instrument needs to be calibrated
D
The PCR workstation has been contaminated with MRSA DNA
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