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PreQuiz
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1Which type of hemolysis results in a green halo around colonies?
A)Alpha hemolysis
B)Beta hemolysis



2Streptococcal species are classified using protein antigens found on the cell surface of many species.
A)True
B)False



3Initial characterization of streptococcal species is based on __________.
A)bile esculin hydrolysis
B)the type of hemolysis exhibited
C)CAMP reaction
D)bacitracin sensitivity



4If an unknown streptococcal sample yields a positive CAMP test, which organism should you suspect?
A)S. pyogenes
B) S. agalactiae
C) S. pyogenes
D) S. pneumonia



5A tube that is 50% darkened in the Bile esculin test most likely contains which of the following streptococcal species?
A) S. agalactiae
B) S. pneumoniae
C) S. equisimilis
D)E. faecalis







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