Types of immune systems

Question 1

What is immunity?

Answer 1

The body’s ability to respond to a threat on an individualized basis

Question 2

What are our four types of immunity?

Answer 2

1) Innate (non-specific) immunity
2)adaptive (specific) immunity
3)active immunity
4)passive immunity

Question 3

Innate immunity

Answer 3

-mechanisms that are present at birth

-GENRAL effect against a variety of pathogens

-requires NO prior exposure and antibody production is uninvolved

Question 4

Adaptive immunity

Answer 4

-A type of immunity NOT present at birth

-effective for a SPECIFIC pathogen

-generally aquired AFTER exposure to a pathogen

Question 4

What is adaptive immunity depenedent on?

Answer 4

Lymphocyte activity

Question 5

Active immunity

Answer 5

antibodies DEVELOP after exposure to a specific antigen

Question 6

What are examples of active immunity?

Answer 6

enviormental exposure and vaccaines

Question 7

passive immunity

Answer 7

antibodies TRANSFERED from another source

Question 8

What are examples of passive immunity?

Answer 8

mom, breastmilk, injection (like an injection of penicillan or antibiotic)

Question 9

The adaptive immune system is….

(4 things)

Answer 9

1.Specific
2.versatile
3.memory
4.tolerance

Question 10

When the adaptive immune system gets triggered there are 2 seperate pathways that are coorinated by_____

Answer 10

T cells and B cellss

Question 11

Cell mediated immunity

Answer 11

-T cells responding which is a defense agaisnt cells and pathogens inside those cells

Question 12

Antibody-mediated immunity

Answer 12

-B cells responsing which is a defense agaisnt antigens and pathogens in body fluids

Question 13

When an antigen binds to antibodies they are presented to ______

Answer 13

Lymphocytes

Question 14

Initial primary response (first exposure)

Answer 14

-B cells lead and T cells follow

-B cells and T cells activated

-Plasma B cells differntiate

-specific antibody levels increase

-takes longer to beat

Question 15

Secondary response (subsequent exposure)

Answer 15

-get cell mediated immunity AND antibody mediated

-activation of memory B cells and T cells which will elicit a more prolonged antibody response

-immune system will work longer than first response but symptoms wil be less than first response

Question 16

What is the difference between a bacteria and viral response by immune system?

Answer 16

In a VIRAL infection response, cytoxic T cells and NK cells are activated by direct contact with virus-infected cells