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Questions and Answers
Which type of antibiotics act mainly against Gram-positive organisms?
Which type of antibiotics act mainly against Gram-positive organisms?
- Fluorinated quinolones
- Ampicillin
- Benzyl penicillin (correct)
- Polymyxins
Which type of antibiotics are capable of inhibiting the growth or reproduction of bacteria?
Which type of antibiotics are capable of inhibiting the growth or reproduction of bacteria?
- Tetracyclines (correct)
- Polymyxins
- Ampicillin
- Norfloxacin
Which type of antibiotics are capable of killing bacteria?
Which type of antibiotics are capable of killing bacteria?
- Polymyxins
- Penicillins (correct)
- Ampicillin
- Fluorinated quinolones
Which type of antibiotics act against both Gram-positive and Gram-negative bacteria?
Which type of antibiotics act against both Gram-positive and Gram-negative bacteria?
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What is the term for the characteristic of an antibiotic selectively inhibiting or killing the microorganism?
What is the term for the characteristic of an antibiotic selectively inhibiting or killing the microorganism?
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Study Notes
Antibiotic Characteristics
- Beta-lactam antibiotics, such as penicillins and cephalosporins, primarily target Gram-positive organisms.
- Bacteriostatic antibiotics inhibit the growth or reproduction of bacteria, preventing them from multiplying.
- Bactericidal antibiotics kill bacteria directly, eliminating them from the system.
- Broad-spectrum antibiotics are effective against both Gram-positive and Gram-negative bacteria, providing comprehensive coverage.
- The characteristic of an antibiotic selectively inhibiting or killing microorganisms is referred to as selective toxicity.
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