Which of the following best describes the definition of a drug according to the syllabus?
Cambridge IGCSE · Biology (0610)
Drugs:練習問題
その場で採点される選択問題 4 問と、解説つきの記述問題 4 問。すべて「Drugs」からの出題です。
In the context of reducing the development of resistant bacterial strains like MRSA, which medical practice is considered most effective?
A population of bacteria is exposed to an antibiotic. A small number of bacteria survive due to a random genetic mutation. If the use of this antibiotic continues, what is the most likely long-term outcome for the bacterial population?
Which statement correctly identifies a similarity between drugs and hormones?
Using your knowledge of natural selection, explain why the overuse of antibiotics in human medicine and livestock farming is considered a major global health threat.
まず自分で答えを書いてから、解説と照らし合わせましょう。
Explain how the specific environment of a hospital can lead to the rapid development and spread of antibiotic-resistant bacterial strains like MRSA.
まず自分で答えを書いてから、解説と照らし合わせましょう。
Explain why a physician would not prescribe antibiotics to treat a patient suffering from a viral infection, such as the common cold, based on the biological differences between pathogens.
まず自分で答えを書いてから、解説と照らし合わせましょう。
(a) Define antibiotic resistance and explain how it arises within a bacterial population due to natural selection.
(b) MRSA is a well-known example of a resistant bacterial strain. Suggest and explain two measures that hospitals can take to limit the spread of such resistant bacteria.
(c) Explain why using antibiotics only when absolutely essential is critical for the long-term effectiveness of these drugs.
まず自分で答えを書いてから、解説と照らし合わせましょう。
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