1.77. Sexually Transmitted Infections http://www.ck12.org
contact.- syphilis: Sexually transmitted infection caused by bacteria that may eventually be fatal if untreated.
Summary
- Sexually transmitted infections (STIs) are caused by pathogens. They spread through sexual contact or other
exchanges of body fluids. - Examples of STIs caused by bacteria include chlamydia, gonorrhea, and syphilis.
- Examples of STIs caused by viruses include HPV, genital herpes, hepatitis B, and AIDS.
Practice
Use the resource below to answer the questions that follow.
- Sexually Transmitted Infectionsat http://www.youtube.com/watch?v=OfGYFKxMCRg (4:57)
MEDIA
Click image to the left for more content.- How many cases of sexually transmitted infections occur in the United States every year?
- What can untreated chlamydial and gonococcal infection lead to? How can this have long term effects on
people? - What does HPV cause?
- Why might living in an urban area increase a person’s chance of contracting a sexually transmitted infection?
Do you think this situation is different for non-sexually transmitted infections? Explain your reasoning fully. - What are some ways to minimize the risk of contracting a sexually transmitted infection?
Review
- It is especially important for females to be protected from HPV infections. Why is this the case?
- Explain why bacterial STIs are treated differently than viral STIs.