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Cambridge IGCSE Biology

16.6Sexually transmitted infections

Sexually transmitted infections in Cambridge IGCSE Biology: what the syllabus expects you to know, the learning objectives and how to practise.
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Learning objectives

What the syllabus expects you to be able to do.

  1. 16.6.1Describe a sexually transmitted infection, state that HIV causes an STI that may lead to AIDS, describe how HIV is transmitted and explain how the spread of STIs is controlled.

Lessons

  • Sexually transmitted infections and HIV/AIDS

    20 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Sexually transmitted infections: sample question

1 mark

Name the condition, in which the immune system is very weak, that untreated HIV infection may lead to.

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