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1.  []
How does the immune system react when a pathohen slip throught the primary barriers?
A.
Physical barriers like the skin react against the pathogen.
B.
The complement system like enzymes react against the pathogen.
C.
Te chemical barriers like lipids react against the pathogen.
2.  []
How does the complement system work?
A.
Pathogens circulate through the bloodstream,
B.
It is the first line of defense that a pathogen has to overcome in order to infect a host
C.
It initiates a chain reaction of proteins.
3.  []
during complement reaction, the by products of these reactions have a broad range of effects, including recruiting
A.
pathogens
B.
phagocytes
C.
proteins
4.  []
What does the audio refer to ?
A.
opsonization
B.
Immflamation
C.
Molecules
5.  []
How does innate immune system differ from Adaptive immune system?
A.
The Innate immune system relies on highly antigen specific defenses
B.
The innate immune sytem is strengthened by repeated exposure to the antigen.
C.
The innate immune system quickly recognizes and neutralizes a broad range of threats regardless of previous.