PSI Barbering Practice Exam

HIV is spread from person to person through blood and less often through what?

1. Airborne particles

2. Unprotected sexual contact

3. Contaminated water

4. Shared food

The correct answer is: Unprotected sexual contact

HIV is primarily spread through bodily fluids, with unprotected sexual contact being one of the most common routes of transmission. This occurs when an infected person transmits the virus through sexual activities where bodily fluids such as semen or vaginal secretions come into contact with mucous membranes of an uninfected partner. Other routes of HIV transmission include sharing needles or syringes, which is largely seen in drug use scenarios. While the possibility of transmission through blood transfusions existed before rigorous screening of blood products was instituted, it is now quite rare in many regions. In contrast, methods such as airborne particles, contaminated water, or shared food do not facilitate the transmission of HIV. This is because the virus does not survive well outside the human body and cannot be spread through casual contact or environmental exposure. Therefore, unprotected sexual contact represents a significant and well-documented channel for HIV transmission, highlighting the importance of safe sexual practices in preventing the virus's spread.