Which of the following antibiotics is found at much higher concentrations in cervicular fluid than in serum ?
Correct answer: C. Tetracyline
- A. Clindamycin
- B. Penicillin
- C. Tetracyline
- D. Metronidazole
Explanation
Tetracyclines concentrate in gingival crevicular fluid and can reach levels higher than those in serum, supporting their use against some periodontal pathogens. The other listed antibiotics do not show this characteristic to the same extent.
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