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Questions and Answers

Which enzyme do rifamycins inhibit to exert their antibacterial effect?

  • Helicase
  • Ligase
  • RNA polymerase (correct)
  • DNA polymerase

    • Which of the following is an example of rifamycin?

  • Azithromycin
  • Rifampicin (correct)
  • Clarithromycin
  • Ciprofloxacin

    • Against which type of bacteria are rifamycins particularly active?

  • Mycobacteria (correct)
  • Spirochetes
  • Gram-negative bacteria
  • Gram-positive bacteria

    • What is the mechanism of action of oxazolidinones?

    <p>Inhibition of bacterial translation by targeting the binding of N-formylmethionyl-tRNA to the ribosome</p> Signup and view all the answers

    Which type of bacteria are oxazolidinones particularly active against?

    <p>Gram-positive aerobic bacteria</p> Signup and view all the answers

    Which of the following is an example of an oxazolidinone?

    <p>Linezolid</p> Signup and view all the answers

    How do aminoglycosides work?

    <p>Inhibition of bacterial translation by targeting 30s ribosomal subunit</p> Signup and view all the answers

    Which cellular component do aminoglycosides target to exert their antibacterial effect?

    <p>30s ribosomal subunit</p> Signup and view all the answers

    What is the primary mechanism of action of aminoglycosides?

    <p>Inhibition of bacterial translation</p> Signup and view all the answers

    example of aminoglycoside?

    <p>Neomycin</p> Signup and view all the answers

    example of aminioglycoside

    <p>Gentamicin</p> Signup and view all the answers

    example of aminioglycoside

    <p>Kanamicin</p> Signup and view all the answers

    aminoglycoside?

    <p>Amikacin</p> Signup and view all the answers

    Which of the following is NOT an example of an aminoglycoside?

    <p>Rifampicin</p> Signup and view all the answers

    Which of the following is a correct example of an aminoglycoside?

    <p>Dibekacin</p> Signup and view all the answers

    Which of the following is an example of an oxazolidinone?

    <p>Linezolid</p> Signup and view all the answers

    Which of the following is NOT an example of aminoglycoside?

    <p>Vancomycin</p> Signup and view all the answers

    Which of the following is an example of an aminoglycoside?

    <p>Isepamicin</p> Signup and view all the answers

    Against which type of bacteria are aminoglycosides particularly active?

    <p>Gram-negative bacteria</p> Signup and view all the answers

    Which type of bacteria are aminoglycosides NOT active against?

    <p>Anaerobic bacteria</p> Signup and view all the answers

    Among the following, which bacterium is NOT mentioned as being susceptible to aminoglycosides?

    <p>Streptococcus pneumoniae</p> Signup and view all the answers

    What is the primary target of tetracyclines in bacterial cells?

    <p>30s ribosomal subunit</p> Signup and view all the answers

    Which of the following types of bacteria are tetracyclines NOT active against?

    <p>Mycobacteria</p> Signup and view all the answers

    What is the spectrum of activity of tetracyclines?

    <p>Broad-spectrum, targeting a wide range of bacterial species</p> Signup and view all the answers

    Which type of bacteria are tetracyclines NOT active against? multiple answers

    <p>P. aeruginosa</p> Signup and view all the answers

    Which of the following bacteria are tetracyclines particularly active against?

    <p>Rickettsia spp.</p> Signup and view all the answers

    Which bacteria are tetracyclines active against?

    <p>spirochetes</p> Signup and view all the answers

    What type of bacteria are glycylcyclines like tigecycline active against?

    <p>Gram-positive and Gram-negative bacteria</p> Signup and view all the answers

    What is tigecycline a derivative of?

    <p>Minocycline</p> Signup and view all the answers

    Which type of bacteria are glycylcyclines like tigecycline NOT active against? multiple

    <p>Staphylococcus spp.</p> Signup and view all the answers

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