Final answer:
The main bloodborne infections of concern are HIV, HBV, and HCV, and the correct response is 'All of the above'. Prevention includes safe practices, precautions for healthcare workers, and vaccinations for HBV.
Step-by-step explanation:
The main bloodborne infections of concern are HIV, HBV (Hepatitis B), and HCV (Hepatitis C), so the correct answer is All of the above. These infections are transmitted through exposure to infected blood and body fluids. Various precautions can be taken to prevent transmission, such as practicing safe sex, avoiding sharing needles, and for healthcare workers, following strict safety protocols that include the use of personal protective equipment and proper sterilization practices. Vaccinations are also available for HBV to reduce the risk of infection.