week 3 Flashcards
1
Q
what is the first line of defence
A
physical barriers, chemical barriers, resident bio flora
2
Q
what is the second line of defence
A
phagocytes, chemical mediators, fever, inflammation,
3
Q
third line of defence
A
adaptive and acquired immune system.cellular, T cells, antibodies
4
Q
what is a macrophage
A
part of the third line of defense
5
Q
what is a natural killer cell
A
they destroy pathogens and infected cells
6
Q
what is a allergie
A
your body overreacting to a harmless invader and is a faw
7
Q
what is a autoimmune disease
A
when the immune system attack a part of the body
8
Q
4 types of immunization
A
weakened patogens, killed pathogens, subunit conjugate, toxoid
