Microbiology Question:
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Which of the following extracellular enzymes produced by Group A-streptococci is called “spreading factor”, an enzyme important in skin and soft tissue infection?


Answer #1
* A. Streptokinase
* B. Hyaluronidase
* C. M Protein
* D. Deoxyribonuclease C
* E. None of the above

Correct Answer: D

Answer #2

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All of the following statements about the M-protein of Group A- Streptococci are correct EXCEPT?The diagnosis of septicemia should be considered in patients who are at increased risk of blood stream infection (often secondary to local disease, such as urinary tract infection or pneumonia). All of the following are factors predisposing patients to septicemia except?