Intro-Immune system

Question 1

How are bacteria dealt with by antibodies?

Answer 1

Opsonization

Question 2

Which hematopoietic line is adaptive?

Answer 2

Lymphoid precursor

Question 3

In what time frame does the induced innate immune response act?

Answer 3

4hours - 4 days

Question 4

What are the two primary lymphoid organs? THe rest are secondary

Answer 4

THymus and bone marrow

Question 5

How are antigens like bacterial toxins dealt with by antibodies?

Answer 5

they are neutralized by complexes of antibodies binding to them

Question 6

Plasma cells and effecter T cells are what?

Answer 6

Lymphocytes

Question 7

What are the 4 challenges pathogens present the immune system with?

Answer 7

1-Form diversity
2-Life cycle diversity
3-Diverse routes of infection
4-Rapid, targeted response over a broad domain

Question 8

Where are naive lymphocytes activated?

Answer 8

In lymph nodes

Question 9

antibodies are targeted against many antigens. T/F?

Answer 9

False - a single antigen

Question 10

Activated B cells are called what and produce what?

Answer 10

plasma cells - produce Antibodies

Question 11

B lymphocytes are activated through antigen receptor binding by what?

Answer 11

T lymphocytes

*B cell to proliferation and differentiation of B cell to acquire effector function

Question 12

Neutrophils, eosinophils, mast cells and basophils are what?

Answer 12

Granulocytes

Question 13

What things are part of the immediate innate immune system?

Answer 13

barriers
antimicrobial peptides
complement system

Question 14

Rapid response, Limited number of specificities and being constant during response is typical for what response?

Answer 14

Innate immunity

Question 15

In what time frame does the immediate innate immune response act?

Answer 15

0-4 hours

Question 16

what is the process called whereby lympocytes that match an antigen proliferate?

Answer 16

clonal selection and expansion

Question 17

In what time frame does the adaptive e immune response act?

Answer 17

4 days until the defeat of the pathogen, host, or truce

Question 18

What three cells are primary antigen presenting cells in lymph nodes?

Answer 18

Dendritic cell, Macrophages, B lymphocyte

Question 19

Slow response, variable, numerous highly selective specificities and improving during response is typical of what response?

Answer 19

Adaptive immunity

Question 20

CD4 T cells are regulatory and recognize what?

Answer 20

MHC class II and activates B cells(Helper T cell) or macrophages(Th1)

Question 21

T lymphocytes are co-stimulated through antigen receptor binding by what?

Answer 21

Dendritic cells

*T cell proliferates and differentiates to acquire effector function

Question 22

Macrophages and dendritic cells are derived from what?

Answer 22

Monocytes

Question 23

Which hematopoietic line is innate?

Answer 23

Myeloid precursors

Question 24

CD8 T cells are cytotoxic and recognizes what?

Answer 24

MHC class I and kills infected cells