Drug destroying type of bacterial resistance is important for the following antibiotics except: A. Cephalosporins B. Tetracyclines C. Chloramphenicol D. Aminoglycosides Answer : B. Tetracyclines...
Methicillin resistant staphylococci do not respond to β-lactam antibiotics because: A. They produce a β-lactamase which destroys methicillin and related drugs B. They elaborate an amidase which destroys ... low affinity for β-lactam antibiotics D. They are less permeable to β-lactam antibiotics Answer : C. They have acquired penicillin binding protein which has low affinity for β-lactam antibioti...
Aminoglycoside antibiotics exert the following action(s) on sensitive bacteria: A. Induce synthesis of defective proteins B. Make bacterial cell membrane more leaky C. Augment their own carrier mediated entry into the bacteria D. All of the above Answer : D. All of the above...
What is true of Quinupristin-Dalfopristin: A. It is a synergistic combination of two similar antibiotics B. It acts by inhibiting bacterial protein synthesis C. It is active against most resistant coccal infections D. All of the above are correct Answer : D. All of the above are correct...
Widespread and prolonged use of an antibiotic leads to emergence of drug resistant strains because antibiotics: A. Induce mutation in the bacteria B. Promote conjugation among bacteria C. Allow resistant strains to propagate preferentially D. All of the above Answer : C. Allow resistant strains to propagate preferentially...
50.5k questions
47.1k answers
240 comments
7.0k users
