pharma/q/exp

[yomy]

Which of the following is the quinolone derivative that is most effective against Pseudomonas aeruginosa?

A. Norfloxacin
B. Ciprofloxacin
C. Ofloxacin
D. Enoxacin
E. Lomefloxacin

[yomy]

ans-b

Explanation
Ciprofloxacin is a fluorinated quinolone derivative highly effective against P. aeruginosa. Other derivatives in this class have less activity toward this organism, although they are effective against other common Gram-negative organisms.