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Questions and Answers
How do tetracyclines penetrate the cell wall?
How do tetracyclines penetrate the cell wall?
- Through ATP-dependent active transport system only
- Through passive diffusion only
- By both passive diffusion and ATP-dependent active transport system (correct)
- Through enzymatic inactivation
What is the range of absorption for tetracycline and oxytetracycline?
What is the range of absorption for tetracycline and oxytetracycline?
- 95-100%
- 40-60%
- 60-70% (correct)
- 80-90%
What is the mechanism of resistance of tetracyclines in bacteria?
What is the mechanism of resistance of tetracyclines in bacteria?
- Impaired diffusion and enzymatic inactivation (correct)
- Impaired diffusion only
- Enzymatic inactivation only
- Bacteria protein synthesis
What is a common adverse effect of tetracyclines in children under 12 years old?
What is a common adverse effect of tetracyclines in children under 12 years old?
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What is the mechanism of action of tetracyclines on protein synthesis?
What is the mechanism of action of tetracyclines on protein synthesis?
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