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Questions and Answers
What is the mechanism of action of bacteriostatic antibiotics?
What is the mechanism of action of bacteriostatic antibiotics?
- Killing bacteria
- Inhibiting protein synthesis
- Disrupting bacterial cell wall synthesis
- Preventing bacterial reproduction (correct)
Which of the following is a characteristic of probiotics?
Which of the following is a characteristic of probiotics?
- They bind to mucosa receptor sites (correct)
- They kill pathogenic bacteria directly
- They are chemical antibiotics
- They are synthetic compounds
Which antibiotic is classified as bactericidal?
Which antibiotic is classified as bactericidal?
- Macrolides
- Polymyxins
- Penicillins (correct)
- Tetracyclines
What is the spectrum of activity for macrolides?
What is the spectrum of activity for macrolides?
Which enzyme in bacteria is much more active against dihydrofolic acid compared to mammalian cells?
Which enzyme in bacteria is much more active against dihydrofolic acid compared to mammalian cells?
Which combination of antimicrobial agents shows synergism due to sequential blocking of the folic acid synthesis pathway?
Which combination of antimicrobial agents shows synergism due to sequential blocking of the folic acid synthesis pathway?
Which type of bacteria resistance mechanism involves producing enzymes that destroy the active drug?
Which type of bacteria resistance mechanism involves producing enzymes that destroy the active drug?
What adverse effect is associated with the use of trimethoprim?
What adverse effect is associated with the use of trimethoprim?
Which antimicrobial agent works by inhibiting cell membrane function?
Which antimicrobial agent works by inhibiting cell membrane function?
What type of enzymes do bacteria resistant to aminoglycosides produce to destroy the drug?
What type of enzymes do bacteria resistant to aminoglycosides produce to destroy the drug?
Which type of anti-microbial drugs act on the 30 S subunit?
Which type of anti-microbial drugs act on the 30 S subunit?
Which anti-microbial drug is considered bactericidal?
Which anti-microbial drug is considered bactericidal?
What is the mechanism of resistance to aminoglycosides?
What is the mechanism of resistance to aminoglycosides?
Which anti-microbial drug is known to be teratogenic and cause teeth discoloration?
Which anti-microbial drug is known to be teratogenic and cause teeth discoloration?
What is the clinical use of tetracyclines like doxycycline?
What is the clinical use of tetracyclines like doxycycline?
Which bacteria are aminoglycosides like streptomycin used to treat?
Which bacteria are aminoglycosides like streptomycin used to treat?
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