Heath Ch. 25 L. 3

What does AIDS stand for?

Acquired Immune Deficiency Syndrome

How is the risks of HIV related to the number of people with whom a person is sexually active?

If a person is sexually active, then they must have a higher chance of catching STDs. The risks of HIV is higher if you have a STD.

What are opportunistic infections?

Infections that strike people whose immune systems are weakened by HIV

Why is HIV and progressive infection

It gradually destroys the cells of the immune system over many months and year.

What effect does abstinence from sexual activity have on risks if contracting HIV infection?

It greatly reduces the risks of getting HIV infection.

Name 4 human body fluids that are known to transmit HIV from an infected person to an uninfected person.

Semen, vaginal fluids, blood, and breast milk.

Explain how HIV invades the immune system causing it to become less capable of fighting infections and cancer.

Stage 1: HIV virus attaches itself to your T cells. Stage 2: It puts in its genetic codes to your DNA. Stage 3: The cells multiplies and spreads the virus. Stage 4: HIV starts finishing off the T cells. Stage 5: The immune system fails.

List 3 high-risk behaviors to increase the risks of HIV.

Unprotected sexual activity, shared needles, and getting drunk.

During late 1990's, did the numbers of new cases of AIDS increase or decrease in the US population as a whole?

Yes, it increased.

What virus causes AIDS?

HIV