PSI Barbering Practice Exam

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What can prevent viruses from growing in the body?

Antiseptics
Antibiotics
Vaccines
Pain relievers

The correct answer is: Vaccines

Vaccines are designed to prevent viruses from growing and spreading in the body. They work by stimulating the immune system to recognize and fight off specific pathogens, including viruses. When a vaccine is administered, it introduces a harmless component of the virus, such as an inactivated or weakened version, or a piece of its genetic material. This primes the immune system to respond quickly and effectively if it encounters the actual virus in the future. As a result, vaccines not only prevent infections but also reduce the severity of diseases if an infection does occur. In contrast, antiseptics are substances used externally to kill or inhibit the growth of microorganisms on surfaces or skin but do not affect viruses within the body. Antibiotics are effective against bacterial infections, not viral ones, and do not prevent viruses from multiplying. Pain relievers, such as ibuprofen or acetaminophen, help alleviate symptoms but do not influence viral growth or immune response. Thus, vaccines are the only option listed that specifically prevents viral infections and supports the body's ability to combat viruses.