Question at position 38 Which of the following is FALSE regarding antibiotic resistance?It is naturally occurringIt is found in untouched habitatsIt is ancientIt is a new emerging trait in bacteriaClear my selection

Question

BlackTom AI · Accepted Answer

Question and options are as follows:
Question: Which of the following is FALSE regarding antibiotic resistance?
Options:
1) It is naturally occurring
2) It is found in untouched habitats
3) It is ancient
4) It is a new emerging trait in bacteria

Option 1: 'It is naturally occurring' — This statement is true. Antibiotic resistance genes exist in nature long before the clinical use of antibiotics, circulating in environmental bacteria and other microbes. The resistance can be found in natural settings and is part of the natural microbial arms race.

Option 2: 'It is found in untouched habitats' — This statement is also true in a broader sense. Resistance genes occur in pristine environments and among non-clinical microbial communities, though human activity can influence their distribution. It’s not exclusive to human-impacted areas, so this is a true statement.

Option 3: 'It is ancient' — This statement is true. Evidence shows antibiotic resistance determinants are ancient and have been present for millions of years, predating modern antibiotics. This reflects the long-standing co-evolution of microbes and antimicrobial compounds.

Option 4: 'It is a new emerging trait in bacteria' — This statement is false. Antibiotic resistance is not a brand-new trait; it has existed for a very long time and is ancient, as described in option 3. It is not solely a recent development, though its prevalence and spread can be accelerated by antibiotic use and horizontal gene transfer. This falsehood is precisely why it is the correct choice for the question asking which statement is FALSE.

Putting it together, the only statement that does not reflect the established understanding of antibiotic resistance is option 4, which asserts that resistance is a new emerging trait. The other statements correctly describe the nature and history of resistance, reinforcing why option 4 is the mismatched claim in this set.

Question at position 38 Which of the following is FALSE regarding antibiotic resistance?It is naturally occurringIt is found in untouched habitatsIt is ancientIt is a new emerging trait in bacteriaClear my selection单项选择题

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