Deck 48: Bacterial Folate Antagonists, Fluoroquinolones, and Other Antibacterial Agents

Question 1

The combination of trimethoprim and sulfamethoxazole (TMP-SMZ) is frequently used because:

A) The TMP covers aerobic bacteria that the SMZ does not
B) The combination has no potential side effects
C) The SMZ potentiates the action of TMP
D) The SMZ covers anaerobic bacteria that TMP does not
E) The TMP covers fungi that SMZ does not

Answer 1

The TMP covers fungi that SMZ does not

Question 2

When the resistance of urinary tract Enterobacteriaceae to TMP-SMZ is higher than 20%, which of the following is the most commonly used drug class as alternative therapy?

A) Macrolide
B) Penicillin
C) Vancomycin
D) Fluoroquinolones
E) Tetracycline

Answer 2

Fluoroquinolones