Podcast
Questions and Answers
What is the primary target of fluoroquinolones in Gram (-) bacteria?
What is the primary target of fluoroquinolones in Gram (-) bacteria?
- Cytoplasmic membrane
- Topoisomerase IV
- RNA polymerase
- DNA gyrase (topoisomerase II) (correct)
Rifamycins selectively bind to which subunit of bacterial RNA polymerase?
Rifamycins selectively bind to which subunit of bacterial RNA polymerase?
- α subunit
- ß subunit (correct)
- γ subunit
- δ subunit
What is the primary mode of action of rifamycins?
What is the primary mode of action of rifamycins?
- Inhibition of protein synthesis
- Inhibition of DNA synthesis
- Inhibition of RNA transcription (correct)
- Disruption of cytoplasmic membrane
Which antibiotic is specifically used to treat infections caused by Mycobacterium tuberculosis?
Which antibiotic is specifically used to treat infections caused by Mycobacterium tuberculosis?
What is the primary target of fluoroquinolones in Gram (+) bacteria?
What is the primary target of fluoroquinolones in Gram (+) bacteria?
Polymyxin acts by disrupting which structure in bacterial cells?
Polymyxin acts by disrupting which structure in bacterial cells?
What is the primary mode of action of polymyxins?
What is the primary mode of action of polymyxins?
Which of the following antibiotics inhibits DNA synthesis?
Which of the following antibiotics inhibits DNA synthesis?
What is the primary mode of action of fluoroquinolones?
What is the primary mode of action of fluoroquinolones?
Daptomycin acts by which mode of action?
Daptomycin acts by which mode of action?