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A 36 years HIV positive man presented with classical symptoms of pneumonia. Chest X ray showed bilateral consolidation. Organism cultured from the sputum was lysed by ethylhydocupreine (optochin).
What is the most likely infecting agent? A- Streptococcus agalactiae B- Streptococcus pneumoniae C- Streptococcus viridins E- Staphylococcus aureus E- Staphylococcus epidermidis |
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streptococcus pneumoniae is inhibited by optochin
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| microbiology , respiratory , step1qpool |
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