Answer:
1. HIV finds the white blood cells, called cd4 cells. HIV gets inside the cd4 cell and makes copies of itself. Then, HIV kills the cd4 cell and the new HIV copies find other cd4 cells to get inside and start the cycle again. HIV kills immune system cells that help the body fight infections and diseases.
2. Untreated, HIV typically turns into AIDS in about 8 to 10 years. Leading causes of death for HIV patients were accidental death and suicid3.
3. There is no effective cure for HIV. But with proper medical care, you can control HIV. Treatment Reduces the Amount of HIV in the Blood
Answer:
C. ultraviolet radiation.
Explanation:
Cell injury occurs when cells undergo specific changes when subjected to an internal factor or an external factor. Such change causes "illness" to the person.
Under<em> "toxic injury," </em>two sources may cause an injury to the cell. These are <em>endogenous and exogenous factors. </em>Endogenous factors originate within the body while the exogenous factors originate from the environment.
Among the choices above, it is only the<em> ultraviolet radiation</em> that is considered an exogenous factor because it originates from outside the person's body. <u>Prolonged exposure to UV light damages the cells</u> which can lead to <em>cancer</em>.
