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Communicable Disease

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What is a disease? Any condition that interferes with the proper functioning of the body or mind.
What is a communicable disease? A disease that can be passed to a person from another person, animal, or object.
What is a pathogen? A disease-causing organism that is so small it can only be seen through a microscope.
What is an infection? It occurs when pathogens enter the body, multiply, and cause harm.
Describe a virus. It cannot be treated or cured by antibiotics. It requires a living host.
Describe bacteria. They can be treated and cured by antibiotics. Certain kinds can be helpful.
Besides virus and bacteria, name the other two types of pathogens. Fungi and protozoa.
Name the ways pathogens can spread. Direct contact, indirect contact, contaminated food and water, contaminated animals or insects.
Name ways to keep pathogens from spreading. Practice good hygiene. Wash hands. Don't share personal hygiene items. Avoid infected people. Handle and prepare food safely.
Name two ways to keep others healthy. Stay home when you are sick. Cover your mouth and nose when you sneeze or caugh.
What is an antigen? Any substance released by invading pathogens.
What is an antibody? Proteins that attach to antigens, keeping them from harming the body.
What is the immune system? A combination of body defenses made up of the cells, tissues, and organs that fight off pathogens and disease.
What is immunity? Your body's ability to resist the germs that cause a particular disease.
What is inflammation? The body's response to injury or disease, resulting in a condition of swelling, pain, heat, and redness.
Inflammation is a part of which immune response? The nonspecific immune response.
What type of blood cell is responsible for destroying pathogens? White blood cells.
Why does your body temperature rise? Higher temp makes it harder for pathogens to survive. It is a signal for the body to produce more white blood cells to destroy pathogens.
What is the lymphatic system? A secondary circulatory system that helps the body fiht pathogens and maintains its fluid balance.
What is lymph? Fluid circulating in the lymphatic system.
What are lymphocytes? White blood cells in the lymphatic system.
What are macrophages? They are found in the lymph. They surround foreign substances and destroy them.
How long does immunities from a mother last? A few months.
What is a vaccine? A preparation of dead or weakened pathgens that cause the immune system to produce antibodies. They help the body develop immunity.
Are all vaccines the same? No, some are given in a series over a span of a few months, while others are given once or repeatedly during your lifetime.
How can you treat a cold? Get plenty of rest, drink a lot of fluids.
What is a cold caused by? Hundreds of different viruses.
What is the flu caused by? Viruses. It can be spread through direct or indirect contact.
What is a contagious period? The length of time that a particular disease can be spread from person to person.
What is mononucleosis? A viral disease characterized by a sore throat and swelling of the lymph glands in the neck and around the throat area. It is often called the "kissing disease."
What is hepatitis? A viral disease of the liver characterized by yellowing of the skin, and the whites of the eyes. There are 3 different types.
What is tuberculosis? A bacterial disease that usually affects the lungs. It is possible to test positive but show no symptoms.
What is pneumonia? A series of inflmmation of the lungs. Can be caused by a virus or a bacteria.
What is strep throat? A sore throat caused by streptococcal bacteria.
What are sexually transmitted diseases (STDs)? Infections that spread from person to person through sexual contact.
What should you know about STDs? Most spread through sexual contact. You cannot tell if someone has one by his/her appearance. Most have mild/no symptoms.
What is the best and only 100% effective way to avoid getting an STD? To abstain from sexual activity.
What is the difference between HIV and AIDS? HIV is the virus that causes the disease AIDS.
What is a carrier? A person who appears healthy but is infected with HIV and can pass it to others.
How can HIV spread? Contact with specific bodily fluids. Sexual contact. Sharing needles. Mother to child.
How can you prevent HIV/AIDS? Practice abstinence. Avoid drugs and alcohol. Avoid sharing needles.
Created by: corstangek