Multiple Choice
A catalase test was performed from a sheep blood agar plate on a colony of streptococci,and bubbling was observed.Which of the following statements explains this discrepancy?
A) Catalase is the inappropriate test to use on colonies of streptococci;therefore the results are invalid.
B) The colony may have been contaminated with sheep red blood cells,causing a false-positive result.
C) The colony was most likely enterococci,not streptococci.
D) No discrepancy is present.Streptococcus is a catalase-positive colony.
Correct Answer:
Verified
Correct Answer:
Verified
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