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A-LevelBiologyInfectious diseases9700/12 · Feb/Mar 2021 · Q381 Mark

There are two main classes of antibiotics, broad spectrum and narrow spectrum. Broad spectrum antibiotics affect a wide range of bacteria, while narrow spectrum antibiotics affect specific types of bacteria. Which uses of antibiotics may result in antibiotic-resistant bacteria? 1 a broad spectrum antibiotic given to reduce the effects of the influenza virus 2 a broad spectrum antibiotic to treat Mycobacterium tuberculosis in humans 3 a narrow spectrum antibiotic to treat diarrhoea and sickness in cattle

A1, 2 and 3
B1 and 2 only
C1 and 3 only
D2 and 3 only

✓ Correct answer

A: 1, 2 and 3

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About this question

Topic
Infectious diseases, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source
A-Level Biology, Feb/Mar 2021 Paper 1 Variant 2, question 38.

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