Micro & Immunology · single question
Which bacterium is inherently resistant to clindamycin?
Show answer and explanation
Correct answer: A. Pseudomonas aeruginosa
Pseudomonas aeruginosa is intrinsically resistant to clindamycin due to outer membrane impermeability and efflux pumps. Clindamycin covers anaerobes and gram-positive cocci but NOT gram-negative rods like Pseudomonas.
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