Which of the Following Statements Is True of the Tetracyclines

question 24

Multiple Choice

Which of the following statements is true of the tetracyclines?

• A)They are bactericidal.
• B)Tetracyclines interfere with the synthesis of bacterial protein by binding at the 50S subunit of bacterial ribosomes.
• C)In the study of sensitivity or organisms isolated from dental infections,one-fifth to two-fifths of Staphylococcus aureus (S.aureus)were found to be resistant to tetracycline.
• D)Tetracyclines are not prone to enterohepatic circulation.

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