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Antibiotics: DNA, folate and tuberculosis

Fluoroquinolones, folate antagonists, metronidazole, nitrofurantoin and the first-line drugs for tuberculosis. 11 drugs in 5 classes. Read them through, then practice: their classes, how they work, what they treat and what they're known for. 13 questions, about 4 minutes.

Free, and no account needed.

In this group

The classes and their drugs

FluoroquinolonesBlocking DNA gyrase and topoisomerase IV, so bacteria cannot copy their DNA
CiprofloxacinLevofloxacinMoxifloxacin
Antibacterial folate antagonistsBlocking the pathway bacteria use to make folate, needed for nucleic acids
SulfamethoxazoleTrimethoprim
NitroimidazolesForming DNA-damaging radicals once reduced inside anaerobic microbes
Metronidazole
NitrofuransForming reactive products inside bacteria that damage their DNA and proteins
Nitrofurantoin
First-line tuberculosis drugsAttacking TB bacteria at several targets at once, always given together
IsoniazidRifampicinPyrazinamideEthambutol