Oxford AQA IGCSE · CORE Biology (9221)
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 3 問。すべて「Infection and response」からの出題です。
Antibiotics such as penicillin are used to treat bacterial infections. However, their overuse has led to the emergence of resistant strains like MRSA.
Which statement correctly explains the natural selection of antibiotic resistance in a bacterial population?
A patient is infected with a new strain of a pathogen that has arisen through mutation. Explain why previously administered vaccinations may no longer be effective against this specific strain.
Pathogens such as bacteria and viruses cause disease in different ways. How do viruses typically cause damage to the human body according to the OxfordAQA syllabus?
The human immune system provides protection against pathogens. When a person is vaccinated, how does the body develop immunity to a specific disease?
Explain how phagocytosis helps the body defend against bacterial pathogens that have entered the bloodstream.
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 antibiotics are effective against bacterial pathogens like MRSA but cannot be used to treat viral infections, and describe the risk associated with the overuse of these medicines.
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 antibiotics, which are effective against bacterial infections like penicillin, cannot be used to treat diseases caused by viral 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。
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