Your Daughter Probably Has Strep Throat Caused by Streptococcus Pyogenes

Multiple Choice

Your daughter probably has strep throat caused by Streptococcus pyogenes.The traditional method of diagnosis involves culturing on blood agar, but this process is time consuming.Your doctor wants a more rapid identification of the infectious agent using a specimen directly obtained from the patient's throat.He would prefer to use a test that can be read in his office without having to culture and isolate the organism.He would likely choose the

A) immunochromatographic test.
B) Western Blot test.
C) direct fluorescence test.
D) pulse-field gel electrophoresis.