30 Questions
Which enzyme do rifamycins inhibit to exert their antibacterial effect?
RNA polymerase
Which of the following is an example of rifamycin?
Rifampicin
Against which type of bacteria are rifamycins particularly active?
Mycobacteria
What is the mechanism of action of oxazolidinones?
Inhibition of bacterial translation by targeting the binding of N-formylmethionyl-tRNA to the ribosome
Which type of bacteria are oxazolidinones particularly active against?
Gram-positive aerobic bacteria
Which of the following is an example of an oxazolidinone?
Linezolid
How do aminoglycosides work?
Inhibition of bacterial translation by targeting 30s ribosomal subunit
Which cellular component do aminoglycosides target to exert their antibacterial effect?
30s ribosomal subunit
What is the primary mechanism of action of aminoglycosides?
Inhibition of bacterial translation
example of aminoglycoside?
Neomycin
example of aminioglycoside
Gentamicin
example of aminioglycoside
Kanamicin
aminoglycoside?
Amikacin
Which of the following is NOT an example of an aminoglycoside?
Rifampicin
Which of the following is a correct example of an aminoglycoside?
Dibekacin
Which of the following is an example of an oxazolidinone?
Linezolid
Which of the following is NOT an example of aminoglycoside?
Vancomycin
Which of the following is an example of an aminoglycoside?
Isepamicin
Against which type of bacteria are aminoglycosides particularly active?
Gram-negative bacteria
Which type of bacteria are aminoglycosides NOT active against?
Anaerobic bacteria
Among the following, which bacterium is NOT mentioned as being susceptible to aminoglycosides?
Streptococcus pneumoniae
What is the primary target of tetracyclines in bacterial cells?
30s ribosomal subunit
Which of the following types of bacteria are tetracyclines NOT active against?
Mycobacteria
What is the spectrum of activity of tetracyclines?
Broad-spectrum, targeting a wide range of bacterial species
Which type of bacteria are tetracyclines NOT active against? multiple answers
P. aeruginosa
Which of the following bacteria are tetracyclines particularly active against?
Rickettsia spp.
Which bacteria are tetracyclines active against?
spirochetes
What type of bacteria are glycylcyclines like tigecycline active against?
Gram-positive and Gram-negative bacteria
What is tigecycline a derivative of?
Minocycline
Which type of bacteria are glycylcyclines like tigecycline NOT active against? multiple
Staphylococcus spp.
Test your knowledge of rifamycins with this quiz. Learn about how rifamycins work by inhibiting bacterial transcription and their effectiveness against mycobacteria. Examples such as rifampicin, rifabutin, and rifapentine are covered in this quiz.
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