Disease Cause, Cure and Prevention

What are Bacteria?

• tiny, single-celled organisms that get nutrients from their environments

• genetic material (DNA or RNA) packaged inside of a protein coating

• multi-celled, plant-like organisms

• contain a nucleus and other cell structures, making them more similar to plant and animal cells

What are some illnesses that viruses cause?

• colds, common illnesses like the flu, and very serious diseases like smallpox or HIV/AIDS

• athlete's foot and yeast infections

• cavities, urinary tract infections, ear infections, or strep throat

• malaria, amebiasis and giardiasis,

Antibiotics are used to cure...

• fungal infections

• protozoan infections

• viral infections

• bacterial infections

A flu shot vaccine contains..

• killed flu viruses

• weakened live flu virus, which can't actually cause the flu

• antibodies

• phagocytes

Why aren’t you protected from getting the flu forever?

• flu viruses mutate (change) each year

• When you're cured, the number of antibodies decreases dramatically.

• Not enough vaccines to deliver to the whole population

• As one ages, the body gets too weak to defend against the flu.

White blood cells are also called...

• leukocytes

• neutrophil

• B lymphocytes

• W lymphocytes

_____________ immunity develops throughout our lives. We develop this immunity when we're exposed to diseases or when we're immunized against them with vaccines.

• adaptive

• innate

• passive

• progressive

______________ are like the body's military intelligence system. They find their targets and send defenses to lock onto them

• B lymphocytes

• T lymphocytes

• neutrophil

• neurons

In response to COVID-19, the CDC strongly suggests frequently, once a day, cleaning...

• frequently touched surfaces (for example: tables, doorknobs, light switches, handles, desks, toilets, faucets, sinks) with household cleaners

• all horizontal surfaces (floors, counter-tops, table tops, seat portions of chairs) with household cleaners

• your hands

• all clothing with a disinfectant

CDC always recommends everyday preventive actions to help prevent the spread of respiratory diseases, including:

(Choose all that apply)

• Avoid close contact with people who are sick.

• Avoid touching your eyes, nose, and mouth.

• Stay home when you are sick.

• Cover your cough or sneeze with a tissue, then throw the tissue in the trash.

• Wash your hands often with soap and water for at least 20 seconds, especially after going to the bathroom; before eating; and after blowing your nose, coughing, or sneezing.