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5.1 Health and communicable disease

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Question 3

A person is infected with Helicobacter and develops a stomach ulcer.

a.

State the part of the stomach that is damaged by Helicobacter.

[1]
b.

Explain how damage to this part of the stomach can lead to an ulcer.

[2]
c.

Give one route by which Helicobacter can pass from an infected person to another person.

[1]
d.

Give two ways a person can reduce the risk of Helicobacter entering their mouth.

[2]
Markscheme

5.1 Health and communicable disease Questions

  1. GCSE
  2. /Biology
  3. /5.1 Health and communicable disease

112 exam-style questions on Edexcel GCSE Biology 5.1 Health and communicable disease, covering 5.1.1 Communicable and non-communicable diseases, 5.1.2 Disease susceptibility interactions, 5.1.3 Pathogens as disease-causing organisms, 5.1.4 Common infections, 5.1.5 Spread and prevention of pathogens, 5.1.6 Lifecycle of a virus, and 5.1.7 Spread and prevention of STIs. Each one has a worked solution and a mark scheme showing where the marks go.

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