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Flashcards in SI Lec - Innate Immunity Deck (57)
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1

- includes all parts of the body that help in the recognition and destruction of foreign materials.

Immune System

2

is the body's ability to fight off harmful micro-organisms –PATHOGENS- that invade it.

Immunity

3

2 types of immunity

innate
adaptive

4

____ immunity occurs when when one makes his/her own antibodies. This type of immunity is long term.

Active

5

If you get an infectious disease (like Chicken Pox), often times, that stimulates the production of ____ cells which are then stored to prevent the infection in the future.

MEMORY

6

purely an injection of antibodies to provide temporary immunity.

Gamma Globulin shot

7


-also called innate immunity






Natural Immunity

8

-non specific/non-adaptive immunity

Natural Immunity

9

type of immunity: -same response for all pathogens

Natural Immunity

10

type of immunity
-ability to resist infection by means of normally present body functions

Natural Immunity

11

type of immunity
no prior exposure is required





Natural Immunity

12

type of immunity
response does not change upon repeated exposure

Natural Immunity

13

type of immunity
influenced by factors like nutrients, age, fatigue, stress and genetic determinants

Natural Immunity

14

Natural Immunity influenced by what factors

nutrients, age, fatigue, stress and genetic determinants

15

defense mechanism of natural immunity

keep microorganisms from entering the body

External defense mechanism

16

defense mechanism of natural immunity

involve
both cellular and humoral factors

Internal defense mechanism

17

includes physical, chemical, and cellular barriers


Innate Immune System

18

barrier of
Innate Immune System
eg. skin and mucous membranes

physical

19

barrier of
Innate Immune System
eg. stomach acidity, secreted anti-microbial peptides

chemical barriers

20


barrier of Innate Immune System
eg. macrophages, neutrophils

cellular

21

innate immune response activation occurs within __ (how long) of pathogen recognition

minutes

22

Structural barriers that prevent microorganisms from entering the body

External Defense System

23

External Defense System
components (3)

Intact skin
Mucous membranes
Secretions

24

anti-fungal peptides called (intestinal tract)

alpha-defensins

25

anti-microbial peptides called (respiratory, urogenital tract)

beta-defensins

26

opsonize pathogens for enhanced phagocytosis (lung)

surfactant-A and -D proteins

27

location
lactic acid (2)

sweat
vagina

28

location
fatty acids

sebaceous glands

29

location
- lysozyme

saliva
tears

30

location
acid pH

stomach

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