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Question

Which of the following is a bactericidal antibiotic?

A
Erythromycin
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B
Ofloxacin
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C
Tetracycline
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D
Chloramphenicol
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Solution

The correct option is B Ofloxacin
Antibiotics have either cidal (killing) effect or a static (inhibitory) effect on microbes. The former are known as bactericidal and the latter is known as bacteriostatic.
A few examples of the two types of antibiotics are as follows: Bactericidal: Penicillin, Aminoglycosides, Ofloxacin
Bacteriostatic: Tetracycline, Erythromycin, Chloramphenicol

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