The primary factor in the development of drug-resistant bacteria is the:
1. unwarranted use of antibiotics.
2. selection of the incorrect antibiotic.
3. lack of new antibiotics.
4. lack of client adherence.
Correct Answer: 1
Rationale 1: The widespread and sometimes unwarranted use of antibiotics has promoted the development of drug-resistant bacterial strains.
Rationale 2: The selection of the incorrect antibiotic leads to exacerbation of an infection, not resistance.
Rationale 3: New antibiotics are being released on at least an annual basis.
Rationale 4: Client nonadherence can affect antibiotic effectiveness, but it is not the most important factor in the development of resistance.
Global Rationale: The widespread and sometimes unwarranted use of antibiotics has promoted the development of drug-resistant bacterial strains. By killing strains of bacteria that are sensitive to the drug, the only bacteria remaining to replicate are those that acquired the mutations that made them insensitive to the effects of the antibiotic. These drug-resistant bacteria are then free to grow, unrestrained by their neighbors that are killed by the antibiotic.
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