Podcast
Questions and Answers
What is the range of T-cell count for a person with HIV?
What is the range of T-cell count for a person with HIV?
- 650-1200
- 200-649 (correct)
- 1200-2000
- 0-199
A person with AIDS has a T-cell count of 350-500.
A person with AIDS has a T-cell count of 350-500.
False (B)
Name two methods through which HIV is spread.
Name two methods through which HIV is spread.
Blood and semen
One way to prevent HIV is to avoid contact with infected _______.
One way to prevent HIV is to avoid contact with infected _______.
Match the following HIV diagnostic tests with their descriptions:
Match the following HIV diagnostic tests with their descriptions:
Flashcards
What defines the transition from HIV to AIDS?
What defines the transition from HIV to AIDS?
HIV infection progresses to AIDS when the number of T-cells in the blood drops below 200. This means the immune system is weakened, making the body vulnerable to infections.
How is HIV transmitted?
How is HIV transmitted?
HIV is spread through direct contact with infected blood or semen. This can occur during sexual activity, sharing needles, or accidental exposure to contaminated blood.
How can HIV be prevented?
How can HIV be prevented?
Preventing HIV involves avoiding contact with infected bodily fluids, practicing safe sex with condoms, and avoiding needle sharing. Regular testing is crucial for early detection and treatment.
What are the two primary HIV diagnostic tests?
What are the two primary HIV diagnostic tests?
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Explain positive and negative HIV test results.
Explain positive and negative HIV test results.
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Study Notes
HIV and AIDS
- HIV (Human Immunodeficiency Virus): A virus that weakens the immune system
- AIDS (Acquired Immunodeficiency Syndrome): A condition that develops when the immune system is severely damaged by HIV
- T-cell count in HIV: A person with HIV typically has a lower T-cell count than a healthy person
- T-cell count in AIDS: A person with AIDS usually has a very low T-cell count, often below 200
- HIV transmission: HIV is primarily transmitted through contact with infected blood, semen, or vaginal fluids.
- HIV prevention: Ways to prevent HIV include avoiding contact with infected bodily fluids, using condoms during sex, and not sharing needles.
- HIV diagnostic tests: Two common diagnostic tests for HIV are ELISA (detects the presence of antibodies) and Western Blot (confirms the presence and size of antibodies).
- HIV test results: Positive results indicate the presence of HIV antibodies in the blood; negative results indicate a lack of detectable HIV antibodies.
- Time to develop HIV following infection: It can take 2-6 weeks for HIV antibodies to become detectable after infection.
- Important Note: The provided text does not state whether or not the testing methods are all reliable or valid for every person infected.
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