Immunity

Question 1

2 types of immunity

Answer 1

Innate, Acquired

Question 2

non-specific defense systems includes
1.mechanical defense
2.chemical defense
3.defense by NK cells
4.defense by phagocytic cells
5.defense by inflammationand fever

Answer 2

Innate immunity

Question 3

3rd category of lymphocytes that is either T/B cells

-large granular
-have ability to kill wide variety of microogranism and tumor cells
-do not mature in thymus

Answer 3

Natural Killer (NK Cells)

Question 4

NK cells recognize antibody coated target cells and kill them by ______ which works more effective in virus and tumor cells

Answer 4

Antibody-dependent cell-mediater cytotoxicity ( ADCC)

Question 5

resistance developed in the body against any specific foreign body and is also known as specific immunity, most powerful immune mechanism.

Answer 5

Acquired immunity

Question 6

Reponsible for acquired immunity

Answer 6

Lymphocytes

Question 7

Types of acquired immunity that body develops circulating antibody which are globulin molecules capable of attacking invading agents

Answer 7

Humoral / B-cell immunity

Question 8

Immunity through formation of large numbers of activated T lymphocytes to destroy foreign agent

Answer 8

Cell-mediated / T-cell immunity

Question 9

Substances that induce the body to produce acquired immunity and are proteins / large polyssacharides

Answer 9

Antigen

Question 10

________ or self antigens present on the body’s own cells
________ or non-self antigen enters the body from outside

Answer 10

Autoantigens; foreign antigens

Question 11

T and B lymphocytes are derived originally from ________ that form common lymphoid progenitors cells as they are further differentiated or preprocessed

Answer 11

Pluripotent hematopoietic stem cells (PHSC)

Question 12

Pr- T cells become ______ T cells that futher proliferate into ______

Answer 12

Naive; T-immunoblasts