Infectious Disease
Lines of Defense
HIV and AIDS
Immunity
Noninfectious Disease
100
Microorganisms are living things too small to be seen without a _________?
Microscope
100
Why is your skin an effective first line of defense?
Hard to penetrate, chemicals in sweat and oil, regenerates quickly
100
What causes AIDS?
HIV
100
Explain one way a person can become immune to a disease
By getting the disease, through vaccination, during child development.
100
What is the role of insulin in the body?
It allows cells to acquire glucose from the bloodstream.
200
What are the 4 types of pathogens?
Bacteria, viruses, fungi, and protists
200
What are the other two main lines of defense?
The inflammatory and immune responses
200
What are the primary ways HIV/AIDS is spread?
Through the exchange of infected bodily fluids.
200
Immunity is the body's ability to what?
Destroy pathogens before they can cause disease
200
What is it called when a body is overly sensitive to a substance not normally found in the body?
Allergies
300
How are infectious diseases and pathogens related?
Pathogens are what cause infectious disease
300
How do breathing passages help keep pathogens out of the body?
Mucus, cilia, and hair trap pathogens.
300
How does HIV damage the immune system?
By destroying T cells
300
What type of WBC's produce antibodies?
B cells.
300
Why is cancer harmful?
Cancer cells destroy healthy tissue because they multiply at a higher rate than normal cells.
400
Describe 2 different ways pathogens can spread
Directly, indirectly, through objects, through animal bites, naturally
400
What is the difference between the T cell and the B cell?
T cells identify pathogens and B cells create antibodies to fight pathogens.
400
Does AIDS kill a person?
No. AIDS destroys a persons immune system so they are open to being infected by other diseases.
400
Explain what active immunity is
When your own body is producing antibodies to fight a disease.
400
What are the two types of diabetes? What is the difference?
Type 1 you are born with, type 2 you develop over time
500
What is the main difference between bacteria and viruses?
Bacteria are living things, viruses are nonliving and need hosts to survive.
500
What is a phagocyte? How is it different from an antibody?
WBC's that engulf pathogens in the inflammatory response. Antibodies are a part of the immune response.
500
Why is AIDS so dangerous?
It takes away your ability to fight disease and people don't always know when they have it so it spreads easily.
500
How do vaccinations work?
Harmless pathogens are entered into the body so your B cells can produce antibodies to fight them next time that disease shows up.
500
What occurs in the body during an asthma attack?
Tubes of the respiratory system tighten up and make it difficult for oxygen to pass through
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