

MCQOPTIONS
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1. |
The fluoroquinolone resistance seen with increasing frequency in pseudomonas aeruginosa infections is best explained by which of the following mechanisms? |
A. | Changes in the structure or composition of the cell envelope that make it more difficult for the antibiotic to gain entrance |
B. | Enzymatic cleavage of the antibiotic molecule |
C. | Inactivation of the antibiotic by enzymatic acetylation |
D. | Removal of the antibiotic from the cell interior by a membrane pump |
Answer» E. | |