Impetigo Can Be Caused by Either Staphylococcus Aureus or Streptococcus

question 44

Multiple Choice

Impetigo can be caused by either Staphylococcus aureus or Streptococcus pyogenes.Culture-based identification of the causative organism can be complicated by

• A)the common surface antigens of these two organisms.
• B)the ability of S.aureus to kill S.pyogenes.
• C)the fastidious nature of both organisms.
• D)their common optimal growth temperature, 37°C.

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