NBCSN Nationally Certified School Nurse Practice Exam

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What is the purpose of the hepatitis B vaccine (HBV)?

Prevent flu infections
Prevent diabetes
Prevent hepatitis B infection
Prevent tuberculosis

The correct answer is: Prevent hepatitis B infection

The hepatitis B vaccine (HBV) is specifically designed to prevent hepatitis B infections, which is a serious liver infection caused by the hepatitis B virus. This vaccine works by stimulating the immune system to produce antibodies against the hepatitis B virus, thereby providing immunity and reducing the risk of contracting the virus if exposed. Hepatitis B can lead to severe liver problems such as cirrhosis or liver cancer, making vaccination a crucial public health measure, particularly for individuals at higher risk of exposure, such as healthcare workers or those with multiple sexual partners. The other options do not pertain to the hepatitis B vaccine's purpose. For instance, the vaccine does not have any effect on flu infections, diabetes management, or tuberculosis prevention. Each of these conditions requires different vaccines or medical interventions to prevent or manage their specific health risks.