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IB Biology HL C3.2.11 Hiv Transmission Questions

Explore how sterile single-use needles interrupt infected-blood exchange and reduce HIV transmission risk in IB Biology HL C3.2.11.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Explain how sterile single-use needles reduce blood-borne HIV transmission by preventing reuse and exchange of infected blood.

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Study C3.2.11—HIV transmission conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology HL C3.2.11 Hiv Transmission Questions question 1

[Maximum number: 1]

How has the transmission of HIV been reduced?

A

Delaying the progression of HIV to AIDS

B

Single use of disposable needles

C

Treatment with antibiotics

D

Vaccination

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