Chap 14: Immune System

Question 1

the ability to resist damage from foreign substances

Answer 1

Immunity

Question 2

defense against any pathogen

Answer 2

Innate immunity

Question 2

first line of defense

Answer 2

physical barriers

Question 3

types of immunity

Answer 3

1. innate
2. adaptive

Question 4

promote inflmmation by causin vasolidation

Answer 4

histamine

Question 4

are chemicals that can kill microbes and prevent their entry into cells

Answer 4

chemical mediators

Question 5

found in tears and saliva to kill bacteria

Answer 5

lysozyme

Question 6

prevent entry of microbes

Answer 6

mucous membranes

Question 6

produced in red bone marrow and lymphatic tissues fight foreign susbtances

Answer 6

WBC

Question 7

ingest and destroy foreign substances

Answer 7

Phagocytic cells

Question 8

proteins that protect agains viral infections by stimulating surrounding cells to produce antiviral proteins

Answer 8

chemical mediators

Question 9

leave blood and enter infected tissues and can release histamine

Answer 9

basophils

Question 9

first to respond to infection but die quickly

Answer 9

neutrophils

Question 10

release chemicals to reduce inflammation

Answer 10

eosinophils

Question 11

protect lymph in lymph nodes and blood in spleen and liver

Answer 11

Marcophages

Question 12

can release leukotrienes

Answer 12

mast cells

Question 13

recognize classes of cells such as tumor cells or virus infected cells

Answer 13

natural killer cells

Question 14

is defense that involves specific recognition to a specific antigen

Answer 14

adaptive immunity

Question 15

uses lymphocyctes B and T cells

Answer 15

adaptive immunity

Question 16

2 types of adaptive

Answer 16

antibody-mediated
cell-mediated

Question 17

substance that stimulates an immune response

Answer 17

antigen

Question 18

proteins that body produces in respone to an antigen

Answer 18

antibody

Question 18

molecule produced by the person’s body that stimulates an immune system response

Answer 18

self-atnigen

Question 19

involved in adaptive immunity

Answer 19

Lymphocytes

Question 19

gives rise to all blood cells

Answer 19

stem cells

Question 20

involved in cell-mediated immunity

Answer 20

T cells

Question 21

involved in antibody-mediated immunity

Answer 21

B cells

Question 22

lead to production of antibodies

Answer 22

B cells

Question 23

site on atibody where antigen binds

Answer 23

antigen-binding sites

Question 24

number of antigen-binding sites on antibody

Answer 24

valence

Question 25

activates compliment and increases phagocytosis

Answer 25

IgG

Question 26

often the first antibody produced in response to an antigen

Answer 26

IgM

Question 27

protects body surfaces

Answer 27

IgA

Question 28

binds to mast cells and basophils and stimulates the inflammatory respons

Answer 28

IgE

Question 29

functions as an antigen-binding rceptor on B cells

Answer 29

IgD

Question 30

activate macrophages

Answer 30

Helper T cells

Question 31

destroys antigen on contact

Answer 31

Cytotoxic T lymphocytes

Question 32

turn off immune system response when antigen is gone

Answer 32

Regulatory T cells