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51 Cards in this Set

  • Front
  • Back
Infectious disease, such as chlamydia, AIDS or genital herpes that is passed from one person to another during sexual contact
Overly strong reaction of the immune system to a foreign substance
Substance that causes an allergic reaction
Extremely tiny piece of genetic material that infects and multiplies in host cells; surrounded by a protein coating
Long-lasting immunity that results when the body makes its own antibodies in response to a specific antigen
Active immunity
Process in which a liquid is heated to a temperature that kills most bateria
Use of chemicals to destroy cancer cells
Complex group of defenses that protects the body against pathogens - includes the skin and respiratory, digestive and circulatory systems
Immue System
Protein made in response to a specific antigen that can attach to the antigen and cause it to be useless
Process of giving a vaccine by mouth or by injection to provide active immunity against a disease
Disease carrying organism such as a rat, mosquito or fly that spreads infectious disease
biological vector
Disease caused by a virus, bacterium, fungus or protist that is spread from an infected organism or the environment to another organism
Infectious disease
Complex molecule that is foreign to your body
Disease, such as cancer, diabetes, or asthma, that is not spread from one person to another
Non-infetious disease
Immunity that results when antibodies produced in one animal are introduced into another's body; does not last as long as active immunity
Passive immunity
Disease cause by uncontrolled cell growth
Diseases that are long-lasting and non-infectious
What is an antibody and how does it function?
It is a protein that attaches to an antigen and causes it to be useless
What is one source of passive immunity?
Antibodies you get from your mom
What happens if a disease-causing bacteria gets througha break in the skin and enters the circulatory system
Skin becomes inflames and the body sends antibodies to make it useless
What are vaccines made from
Killed bacteria or damaged particles
How are pathogens trapped by and expelled from the respiratory system
by mucus and saliva in the throat and nasel cavity
What are your body's first-line defenses against pathogens in general
Skin, respiratory, digestive and circulatory systems
How do vaccines work?
causes body to make antibodies
What defenses does the digestive system have against pathogens?
acid in stomach; enzimes in saliva
What is an antigen
A protein and chemicals that are foreign to your body
Where is the disease Tetanus found
in the soil
How might a person contract Tetanus
Deep cuts
How long are Tetanus vaccines good for?
10 years
Does passive immunity stay with you for any length of time?
What do vaccinations give the body?
Active immunity
What are foreign molecules in our body called?
What does our body do when an antigen is introduced?
Creates antibodies to help fight off invaders
Name 3 internal first-line defenses
1. Respiratory track traps pathogens with mucus. 2. Saliva 3. White blood cells
The complex group of defenders in your body is called what
Immune system
Who learned that organisms cause diseases
Louis Pastuer
What instrument was used to discover disease organisms
Name several disease organisms
Virus, bacteria, protists, fungi, gonorrhea, chlamydia, syphilis
What is used in modern day to kill pathogens on the skin
How are diseases spread
Air, water, food, direct contact
Name some biological vectors that spread disease
rats, cats, dogs and ticks
What is the CDC
Center for Disease Control
Describe Syphillis
Open sores in the genital area, swollen glands. Will disappear then reappear
How long do Viral STDs last?
How can you contract HIV
Sexual contact, blood transfusion, mother to baby, contaminated needles
What does HIV lead to?
When someone had AIDS, what cells are destroyed
T cells
People with AIDS usually die from what?
Flu, Cancer, TB
Name 3 bacterial STDs
gonorrhea, chlamydia, syphillis
How can you fight diseases?
Wash hands and clean wounds
What does the Center for Disease Control do?
They monitor the spread of diseases throughout the US