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.
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.
