This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Which of the following statements regarding tigecycline is true? 
Select and explain. 
A. It is a bactericidal drug, B. It does not require dose adjustment in renal failure, C. Approximately 95% of pseudomonas are susceptible to tigecycline, D. It has narrow spectrum antibacterial action
B: It does not require dose adjustment in renal failure
Answer: B: It does not require dose adjustment in renal failure 
Explanation: Tigecycline is a wide spectrum protein synthesis inhibitor but is less effective in treating pseudomonal infection. 
It belongs to tetracycline group of drugs and all tetracyclines are bacteriostatic and require dose reduction in renal insufficiency.