Podcast
Questions and Answers
What is the main cause of resistance to rifampin?
What is the main cause of resistance to rifampin?
- Alteration in the beta subunit of RNA polymerase (correct)
- Horizontal gene transfer of resistance gene
- Changes in the inhA regulatory regions
- Mutations in the katG gene
Which of the following enzymes converts INH to its biologically active form?
Which of the following enzymes converts INH to its biologically active form?
- Penicillinase
- Beta-lactamase
- Catalase peroxidase (correct)
- Transpeptidase
MDR TB is characterized by resistance to which two potent TB drugs?
MDR TB is characterized by resistance to which two potent TB drugs?
- Pyrazinamide and Ethionamide
- Amikacin and Capreomycin
- Rifampin and INH (correct)
- Streptomycin and Ethambutol
Which mechanism of resistance involves the transfer of plasmids or transposons between bacteria?
Which mechanism of resistance involves the transfer of plasmids or transposons between bacteria?
In antibiotic resistance, which process involves bacteriophage transfer genes from one cell to another?
In antibiotic resistance, which process involves bacteriophage transfer genes from one cell to another?
Which of the following factors contributes to antibiotic resistance in the environment?
Which of the following factors contributes to antibiotic resistance in the environment?
What is the specific mechanism by which MRSA bacteria develop resistance to beta-lactam antibiotics?
What is the specific mechanism by which MRSA bacteria develop resistance to beta-lactam antibiotics?
In the context of antibiotic resistance mechanisms, what does the mecA gene encode for?
In the context of antibiotic resistance mechanisms, what does the mecA gene encode for?
What is the role of the rpoB gene in the development of drug resistance in MDR-TB?
What is the role of the rpoB gene in the development of drug resistance in MDR-TB?
Which bacterial species is known for its ability to develop quinolone resistance through DNA gyrase mutations?
Which bacterial species is known for its ability to develop quinolone resistance through DNA gyrase mutations?
How does Altering Target of the antibiotic contribute to vancomycin resistance?
How does Altering Target of the antibiotic contribute to vancomycin resistance?
What is the main role of the mecA gene in conferring antibiotic resistance in bacteria?
What is the main role of the mecA gene in conferring antibiotic resistance in bacteria?
What is the main function of efflux mechanisms in antibiotic resistance?
What is the main function of efflux mechanisms in antibiotic resistance?
Which of the following is NOT a mechanism of antibiotic resistance?
Which of the following is NOT a mechanism of antibiotic resistance?
What role do biofilms play in antibiotic resistance?
What role do biofilms play in antibiotic resistance?
How do bacteria with enzymatic inactivation resistance mechanism work against antibiotics?
How do bacteria with enzymatic inactivation resistance mechanism work against antibiotics?
What does altering the drug target site involve in antibiotic resistance?
What does altering the drug target site involve in antibiotic resistance?
