What Is the Advantage of Tandem Mass Spectrometry (MS/MS)multiplex Analysis

What is the advantage of tandem mass spectrometry (MS/MS) multiplex analysis?

A) It eliminates the need for second-tier testing by providing a built-in confirmatory test.
B) Multiple metabolites are detected simultaneously in one blood sample to allow for detection of several disorders at once.
C) Tests are performed singly so a single disorder is tested for with a single specimen.
D) It allows for screening of a large number of infants not only for PKU,but also for other disorders of amino acid metabolism using different growth antagonists.