Summary
Sexually transmitted infections (STIs) are infections transmitted through sexual contact. HIV — a virus that causes an STI.
Example: HIV can lead to AIDS.
AIDS — a condition caused by HIV that weakens the immune system.
Example: AIDS makes the body vulnerable to other diseases.
Transmission of HIV — occurs through body fluids like blood and sexual fluids.
Example: Unprotected sexual intercourse with an infected person.
Prevention of HIV — involves using protection and avoiding sharing needles.
Example: Using condoms during sexual intercourse.
Exam Tips
Key Definitions to Remember
- Sexually transmitted infection (STI)
- Human Immunodeficiency Virus (HIV)
- Acquired Immune Deficiency Syndrome (AIDS)
Common Confusions
- Confusing HIV with AIDS
- Misunderstanding how HIV is transmitted
Typical Exam Questions
- What is an STI? An infection transmitted through sexual contact.
- How does HIV affect the immune system? It attacks lymphocytes, weakening the immune system.
- How can the spread of HIV be prevented? By using condoms and sterilised needles.
What Examiners Usually Test
- Methods of HIV transmission
- Differences between HIV and AIDS
- Prevention strategies for HIV