Bacterial and Viral Diseases

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What are viral diseases?

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Diseases caused by viruses that can be prevented with vaccines but not treated with antibiotics.

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What is the role of the immune system?

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The immune system is responsible for fighting off infections and protecting the body from foreign invaders.

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What type of blood cells destroy foreign invaders?

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White blood cells are involved in destroying foreign invaders.

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What is one method that does NOT prevent bacterial infections?

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Allowing foods to cool completely before refrigerating does NOT prevent bacterial infections.

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What causes HIV and AIDS?

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HIV and AIDS are caused by viruses.

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What is the difference between bacteria and viruses?

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Bacteria are single-celled organisms that can live independently, while viruses require a host to replicate.

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How can vaccines help prevent diseases?

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Vaccines stimulate the immune system to recognize and fight specific pathogens.

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What is an antibiotic?

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An antibiotic is a medication used to treat bacterial infections, not viral infections.

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What are some common viral diseases?

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Common viral diseases include the flu, common cold, and COVID-19.

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What is the function of red blood cells?

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Red blood cells carry oxygen from the lungs to the rest of the body.