Immune System Flashcards
a disease causing agent such as bacteria, virus and fungi is called_____
pathogen
skin, mucus, and sweat act as the ___ line of defense in your immune system.
1st
Nonspecific responses are also known as_____ immunity because it’s something everyone is born with.
innate
If the pathogen gets past the nonspecific response or the first line of defense, then the body launches the -___ immune response or the second line of defense.
specific
-Histamine being released
- capillaries expanding
-release of platelets and WBC are all part of the _____ repsonse.
inflammatory
What chemical is released at the injured site to trigger the inflammatory response?
histamine
What type of white blood cells are released during the inflammatory response that eats pathogens?
phagocytes
The specific immune response is also known as the 2nd line of defense or ____ immunity
acquired
The specific immune response or the ____ line of defense includes
Helper T cells
Killer T cells
Plasma B cells
Memory B cells
Antibodies
2nd
What do you call proteins found on the surface of pathogens (viruses and bacteria)?
Antigens
When your immune system recognizes a foreign antigen or proteins on the surface of a pathogen, it forms specific_____ (known as biological handcuffs)
antibodies
Killer T Cells, B cells and antibodies are all part of the _____ line of defense.
2nd
What type of WBC does the HIV destroy in your body?
Helper T cells
People who are HIV positive usually die from _____ infections like the cold or flue because the immune system is weakened.
secondary
____ contains the antigen of a weakened pathogen, which triggers your immune system to make antibodies and allows your immune system to respond quickly to the real virus.
Vaccines
