Intro-Immune system

Question 1

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

Answer 1

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

Question 2

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

Answer 2

Innate immunity

Question 3

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

Answer 3

Adaptive immunity

Question 4

Which hematopoietic line is adaptive?

Answer 4

Lymphoid precursor

Question 5

Which hematopoietic line is innate?

Answer 5

Myeloid precursors

Question 6

Plasma cells and effecter T cells are what?

Answer 6

Lymphocytes

Question 7

Macrophages and dendritic cells are what?

Answer 7

Monocytes

Question 8

Neutrophils, eosinophils, mast cells and basophils are what?

Answer 8

Granulocytes

Question 9

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

Answer 9

Dendritic cell, Macrophages, B lymphocyte

Question 10

Where are naive lymphocytes activated?

Answer 10

In lymph nodes

Question 11

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

Answer 11

Dendritic cells

*T cell proliferates and differentiates to acquire effector function

Question 12

B lymphocytes are activated through antigen receptor binding by what?

Answer 12

T lymphocytes

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

Question 13

CD8 T cells are cytotoxic and recognizes what?

Answer 13

MHC class I and kills infected cells

Question 14

CD4 T cells are regulatory and recognize what?

Answer 14

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

Question 15

Activated B cells produce?

Answer 15

Antibodies