Chapter 3 Exam

Question 1

Primary organs

Answer 1

site where lymphocytes matures and differentiate into antigen sensitive mature B and T cell

Question 2

Secondary organs

Answer 2

areas where lymphocytes may encounter and bind antigen

Question 3

name primary organ

Answer 3

thymus and bone marrow

Question 4

name secondary organ

Answer 4

speen and lymph nodes

Question 5

where do T cell mature

Answer 5

thymus

Question 6

where do B cell mature

Answer 6

bone marrow

Question 7

lymph tissue

Answer 7

acts as area for antigen sampling and processing

Question 8

skin associated lymphoid tissue

Answer 8

SALT
langerhans cells trap antigen and present to T cell

Question 9

Mucosal associated lymphoid tissue

Answer 9

MALT
M cells trap antigens and release them to T cells, B cells and macrophages

Question 10

physical barrier of innate system

Answer 10

1. skin
2. mucous membrane
3. lysozyme
4. mucociliary blanket of respiratory system
5. stomach acid
6. intestine have normal flora
7. urogenital tract
8. eyes

Question 11

bacteriocins

Answer 11

produce by flora and are lethal to related species

Question 12

Chemical barriers

Answer 12

1. defensive chemical in blood, lymph, and other fluids
2. bacteriocins

Question 13

cytokines

Answer 13

soluble cell signaling proteins

Question 14

inflammation

Answer 14

nonspecific response to tissue injury
2 type
acute and chronic

Question 15

acute inflammation

Answer 15

immediate response of the body to injury or cell death
follow inflammatory mediator (redness, warmth, pain, swelling, and altered function)

Question 16

chronic inflammation

Answer 16

slow process
involves lymphocytes/macrophage and formation of new connective tissue
can cause permanent tissue damage

Question 17

cell mediated immunity

Answer 17

Based on the activity of T lymphocytes

Question 18

Cytotoxic CD8 T cells

Answer 18

attack pathogen physically and chemically

Question 19

Helper T cell (CD4)

Answer 19

stimulate B and T cell response

Question 20

anitibody mediated immunity

Answer 20

based on activity of B lymphocytes

Question 21

plasma cell

Answer 21

mature B cell
produce antibodies (binds antigen)

Question 22

epitopes

Answer 22

sites on antigen that reacts with specific T cells receptor or antibodies

Question 23

Natural acquired immunity

Answer 23

exposure to foreign substance

Question 24

natural acquire passive immunity

Answer 24

transfer of antibodies from one host to another (mother to baby)

Question 25

artificially acquire active immunity

Answer 25

results from intentional exposure to foreign material (vaccination)

Question 26

artificial acquire passive immunity

Answer 26

results after performed antibodies or lymphocytes are introduced into another host (botulinum antitoxin)

Question 27

perforin

Answer 27

toxic enzyme to produce hole in cells

Question 28

Cytokines

Answer 28

stimulate helper T cell divide into TH1 and TH2

Question 29

TH1

Answer 29

activate Cytotoxic T cells and macrophage

Question 30

TH2

Answer 30

activate B cells

Question 31

IgG

Answer 31

opsonization, neutralization, complement activation

Question 32

IgM

Answer 32

agglutination and complement activation (first in immune response)

Question 33

IgD

Answer 33

B cell to start antibody production

Question 34

IgA

Answer 34

secreted across mucosal surface

Question 35

IgE

Answer 35

parasitic infection

Question 36

latent period

Answer 36

period following initial exposure to antigen