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Hiv/Aids Final Test With Verified Answers [Graded A+]

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HIV/AIDS FINAL TEST WITH VERIFIED ANSWERS [GRADED A+] HIV - A retrovirus that attacks and destroys the human immune system How is HIV spread? (what bodily fluids) - -blood -semen -vaginal secretions -breast milk What cell is most highly effected by HIV? what happens to these cells? - CD4+ T-cell (CD4 lymphocyte) The cells can no longer fight infection, but instead spread the virus more throughout the body ©morren2025/2026.Year published 2026.

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HIV/AIDS FINAL TEST WITH VERIFIED

ANSWERS [GRADED A+]



HIV - ✔✔A retrovirus that attacks and destroys the human immune system



How is HIV spread? (what bodily fluids) - ✔✔-blood

-semen

-vaginal secretions

-breast milk



What cell is most highly effected by HIV?

what happens to these cells? - ✔✔CD4+ T-cell (CD4 lymphocyte)



The cells can no longer fight infection, but instead spread the virus more

throughout the body




©morren2025/2026.Year published 2026.

, AIDS (acquired immune deficiency syndrome) - ✔✔Immune system

disease caused by HIV

-characterized by life-threatening opportunistic infections from severely

compromised immune system



What is the CD4+ T-cell count for HIV vs AIDS? - ✔✔HIV= >200cells/mm3

AIDS= <200cells/mm3

(normal=800-1200cells/mm3)



How is AIDS diagnosed? - ✔✔1) HIV positive

2) with an opportunistic infection,

AND/OR

3) CD4 cell count less than 200 (discussed below).



What are variables that influence the establishment of an HIV infection? -

✔✔1. duration and frequency of contact

2. volume, virulence and concentration of virus

3. host immune status



Risk factors for contracting HIV? - ✔✔-unprotected sex

©morren2025/2026.Year published 2026.

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