Communicable Disease Exam Study Guide.
Disease - Answer✔any condition that interferes with the proper functioning of the body or mind.
communicable disease - Answer✔a disease that can be passed to a person from another person,
animal or object.
pathogens - Answer✔disease causing organisms that are so small they can only be seen through
a microscope.
infections - Answer✔a condition that occurs when pathogens enter the body, multiply, and cause
harm.
bacteria - Answer✔tiny one-celled organisms.
viruses - Answer✔the smallest pathogens.
fungi - Answer✔organisms that are more complex than bacteria but cannot make their own food.
protozoa - Answer✔one-celled organisms that are more complex than bacteria.
vector - Answer✔an organism, such as an insect, that transmits pathogens.
hygiene - Answer✔cleanliness.
Pathogens spread from... - Answer✔direct contact with others, indirect contact with others,
contact with contaminated food and water and contact with animals and insects.
You can prevent pathogens from spreading by... - Answer✔eating nutritious foods, get enough
physical activity and rest, avoid close contact with people infected, never share utensils or
personal hygiene items, avoid touching your mouth, nose and eyes and much more.
You can help others stay healthy by... - Answer✔avoiding close contact with people infected
with a communicable disease, especially if they are still contagious because then you will not
spread it to other people.
immune system - Answer✔a combination of body defenses made up of the cells, tissues and
organs.
immunity - Answer✔your body's ability to resist the germs that cause a particular disease.
inflammation - Answer✔the body's response to injury or disease, resulting in a condition of
swelling, pain, heat, and redness.
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