Spreading Infectious Diseases
Microorganisms and diseases that cause diseases (germs)
Pathogen
What are the symptoms of a respiratory infection? List 2
Cough, runny/stuffy nose, difficulty breathing, shortness of breath, sore throat
List 2 ways we can prevent illness
Hygiene techniques, vaccines
What is the largest organ in your body?
Skin
A chemical that is released with in seconds of your body being injured
Phagocytes
Organisms so small they can only be seen through a microscope
Micro-organisms
How can you treat viruses?
treating the symptoms
What is Herd Immunity?
Gaining Immunity by surrounding people that are immune
What is the system called in your body that fights against foreign invaders (germs)?
Immune System
What T Cell?
destroy any body cell that has been infected by a pathogen
Killer T Cell
What are the two main ways the black plaque spread throughout Europe
Infected Animals, Infected People
How many times does tuberculosis reproduce per day?
1
How does a vaccine work?
Coach will explain
What are the tiny hair like structures that trap pathogens and spit them back out when you exhale?
Cilia
What T cell?
produce chemicals that stimulate other T cells and B cells to fight off infection
Helper T Cell
Does everyone have an equal chance of getting a disease and/or dying from one? Yes/No
No
What are the symptoms of Jaundice?
Yellow hue of eyes and skin
What is active Immunity?
Results from either having a disease or from receiving a vaccine
Your body’s general response to all kinds of injury, from cuts and scrapes to internal damage
Inflammation/Swelling
What T Cell?
produce chemicals that “turn off” other immune system cells when an infection has been brought under control
Suppressor T-Cell
What are the four ways infectious disease spread?
Infected People, Contaminated Objects, Infected Animals, Infected soil, food, water
How do you treat bacterial infections
Antibiotics
What is passive Immunity?
Immunity acquired by receiving antibodies from a source other than one’s own immune system is called passive immunity
List 3 Physical Defenses
Skin, Mucous Membranes, Saliva, Tears, Cilia, Digestive System
What are B Cells?
Produces Antibodies that attack a specific pathogen or toxin
Antibodies – proteins that attach to the surface of pathogens or to the toxins produced by pathogens
Once the infection is overcome, your B cells stop producing antibodies
B cells will continue to circulate your body for years