

MCQOPTIONS
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1. |
A five year old child presents with pustular lesions on the lower legs.The culture from the lesion showed hemolytic gram positive coccii.Provisional diagnosis of Group A streptococcal pyoderma can be done by: |
A. | Bile solubility |
B. | Bacitracin sensitivity |
C. | Catalase positivity |
D. | Optochicin sensitivity |
Answer» C. Catalase positivity | |