DP Biology (first assessment 2025)

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Question 23M.2.SL.TZ2.g

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Date May 2023 Marks available [Maximum mark: 2] Reference code 23M.2.SL.TZ2.g
Level SL Paper 2 Time zone TZ2
Command term Suggest Question number g Adapted from N/A
g.
[Maximum mark: 2]
23M.2.SL.TZ2.g

Suggest reasons for the difference between the fraction attributed to S. pneumoniae in all cases of ARI and in cases where antibiotics were used to treat the infection.

[2]

Markscheme
  1. highest attributed fraction (in both age groups) is in cases where antibiotic used;
  2. ARI cases due to S. pneumoniae can be severe so antibiotics are often prescribed;
  3. all cases include other causes / viral ARI which may not require antibiotics;
  4. antibiotics administered without prescription or physician consultation/to reduce symptoms;

Mpa: Comparative terms expected (do not award mp for just stating values).

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