Which of the following statements regarding the role of protein A in the pathogenesis of infections caused by Staphylococcus aureus is correct?
A. It is responsible for the rash in toxic shock syndrome.
B. It is directly responsible for lysis of neutrophils.
C. It is a bacterial surface protein that binds to the Fc portion of IgG.
D. It converts hydrogen peroxide into water and oxygen.
E. It is a potent enterotoxin.
Answer: C. It is a bacterial surface protein that binds to the Fc portion of IgG.
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