Florida State Paramedic Practice Exam

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Which of the following is not a vector for hepatitis?

Blood
Semen
Feces
Saliva

The correct answer is: Saliva

The correct response is rooted in understanding how hepatitis viruses are transmitted. Hepatitis can be spread through various body fluids, but the specifics differ for the different types of hepatitis viruses. Blood is a confirmed vector for hepatitis B and C, as these viruses can be transmitted through contact with infected blood, such as through shared needles or transfusions. Semen is also a vector, particularly for hepatitis B, as the virus can be present in sexual fluids and spread through sexual contact. Feces is associated primarily with hepatitis A, which is transmitted via the fecal-oral route, but it is not typically considered a vector for chronic transmission of hepatitis B or C. Saliva, while containing some viral particles, is generally not a significant vector for hepatitis transmission in comparison to blood and semen. Thus, the answer is indicated correctly, as saliva is not commonly associated with the transmission of hepatitis viruses. In clinical practice and public health discussions, blood and semen are noted for their roles in transmitting hepatitis, while feces serve a different role specifically in hepatitis A transmission, marking saliva as the least relevant vector among the choices provided.