Subacute bacterial endocarditis is caused by_____________?
Correct answer: A. Streptococcus viridans
- A. Streptococcus viridans
- B. Haemolytic streptococci
- C. Staphylococcus aureus
- D. Nisseria
Explanation
Subacute bacterial endocarditis classically affects previously abnormal valves and is most characteristically caused by the relatively low-virulence Streptococcus viridans group. Staphylococcus aureus more often causes acute, rapidly destructive endocarditis.
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