Podcast
Questions and Answers
Which of the following antibacterial agents is known to inhibit bacterial protein synthesis by binding with the 50S ribosomal subunit?
Which of the following antibacterial agents is known to inhibit bacterial protein synthesis by binding with the 50S ribosomal subunit?
- Macrolides (correct)
- Polypeptides
- Bacitracin
- Polymyxin B
What is the primary mechanism of action of Polymyxin B?
What is the primary mechanism of action of Polymyxin B?
- Inhibition of cell wall synthesis
- Inhibition of protein synthesis
- Inhibition of DNA replication
- Interference with cell membrane phospholipid (correct)
Which of the following antibacterial agents is characterized by a narrow spectrum of activity against G-ve bacteria?
Which of the following antibacterial agents is characterized by a narrow spectrum of activity against G-ve bacteria?
- Erythromycin
- Polymyxin B (correct)
- Macrolides
- Bacitracin
What is the primary reason for the high systemic toxicity of polypeptides?
What is the primary reason for the high systemic toxicity of polypeptides?
Which of the following antibacterial agents is commonly used as a growth promoter in animal feed?
Which of the following antibacterial agents is commonly used as a growth promoter in animal feed?
What is the primary mechanism of action of Macrolides?
What is the primary mechanism of action of Macrolides?
Which of the following antibacterial agents is characterized by a narrow spectrum of activity against G+ve and Clostridial bacteria?
Which of the following antibacterial agents is characterized by a narrow spectrum of activity against G+ve and Clostridial bacteria?
What is the primary route of administration for Polymyxin B?
What is the primary route of administration for Polymyxin B?
Which mechanism allows tetracyclines to inhibit bacterial growth?
Which mechanism allows tetracyclines to inhibit bacterial growth?
Which antibacterial agent is associated with teeth discoloration as a side effect?
Which antibacterial agent is associated with teeth discoloration as a side effect?
Which is a common resistance mechanism for tetracyclines?
Which is a common resistance mechanism for tetracyclines?
What is a characteristic feature of chloramphenicol’s mode of action?
What is a characteristic feature of chloramphenicol’s mode of action?
Why is chloramphenicol less effective in ruminants?
Why is chloramphenicol less effective in ruminants?
What is the therapeutic use of doxycycline in infections?
What is the therapeutic use of doxycycline in infections?
Which side effect is NOT associated with tetracyclines?
Which side effect is NOT associated with tetracyclines?
What distinguishes doxycycline from other tetracyclines in terms of absorption?
What distinguishes doxycycline from other tetracyclines in terms of absorption?
What is the main target of beta-lactam antibiotics in bacterial cells?
What is the main target of beta-lactam antibiotics in bacterial cells?
Which of the following is a correct strategy to control antibacterial resistance?
Which of the following is a correct strategy to control antibacterial resistance?
What is a common side effect of beta-lactam antibiotics?
What is a common side effect of beta-lactam antibiotics?
Penicillinase E produced by some Gram-positive bacteria has what effect?
Penicillinase E produced by some Gram-positive bacteria has what effect?
What is the role of Clavulanic Acid when used with Amoxicillin?
What is the role of Clavulanic Acid when used with Amoxicillin?
Which statement is true about the pharmacokinetics of Penicillin?
Which statement is true about the pharmacokinetics of Penicillin?
Which of the following bacterial characteristics contributes to resistance against penicillins?
Which of the following bacterial characteristics contributes to resistance against penicillins?
Which statement about beta-lactam antibacterial agents is most accurate?
Which statement about beta-lactam antibacterial agents is most accurate?