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1. Anything that is considered non-self is what?: An antigen (foreigner)
2. Immunity is defined as:: The way the body defends itself against injurious
agents in the environment
3. Immune Response is aimed to protect cells from ____________: Injurious
agents (Antigens)
4. Innate immunity refers to natural mechanisms that ward off invaders as
a___________: First Line of defense
5. Anatomic barriers, Processes within the GI tract, Normal flora, Bodily Fluids
& Phagocytic cells: Components of Innate Immunity
6. Anatomical Barriers consist of ________: 1. Nasal epithelium(consist of mucus
producing cells and hair that traps inhaled substances)
2. intact skin prevents infection
3. mucus membrane
7. Phagocytic cells engulf and ingest __________: microorganisms and other
noxious substances
8. macrophages and neutrophils: Types of phagocytic cells
9. 1. Saliva: Pathogens are weakened by the enzymes and antibacterial prop-
erties in the saliva.
2. Gastric juices: Destroys pathogens with HCL: Processes within the GI tract
10. Normal Flora is ______________ that live in symbiosis with the body: Nat-
ural bacteria colonies
11. C-diff or C-diff colitis is caused by: Abuse or misuse or antibacterials
12. ____________________is when the normal flora in the gut is destroyed: -
C-diff infection (Clostridium Difficle)
13. Vancomycin: used to treat c. difficile. Must be taken orally for it to reach the gut.
14. Stool Transplant: Transplanting stool from a healthy person to the colon of a
patient with repeat c.difficile infection has been shown to successfully treat c.diff.
15. Tears (flushes pathogens from the eyes)
Sweat (acts as an antibacterial on the skin)
Urine (its acidity eliminates antigens from the genitourinary tract): Bodily Se-
cretions
16. The inflammatory reaction begins within seconds and can last
___________: minutes to days
17. __________________ is activated when the innate immunity is inadequate-
: Adaptive immune system
18. Adaptive Immunity is ______________: More specific
19. Adapative immunity______________, _______________, and develop
memory for that specific antigen.: recognize an antigen, and target the specific
antigen
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