Ch 20. & 21 Fill in the Blanks

Question 0

The only organs to filter lymph are?

Answer 0

Lymph Nodes

Question 1

Most of the lymph enters the bloodstream into which vessel?

Answer 1

Left Subclavian Vein

Question 2

The only lymphatic organ to filter blood is?

Answer 2

Spleen

Question 3

The lymphatic organ that produces hormones and is involved in maturation of T lymphocytes is?

Answer 3

Thymus

Question 4

The bactericidal enzyme secreted in mucus memranes is?

Answer 4

Lysozymes

Question 5

The enzyme secreted by certain pathogens in that can dissolve the viscous ground substance in areolar tissue is?

Answer 5

Hyaluronidase

Question 6

The release of superoxide, hydrogen peroxide, and hypochlorite ion, by neutrophils is referred to as a?

Answer 6

Respiratory burst

Question 7

Type of leukocyte with anti-parasitic activity and is also linked to allergic response is?

Answer 7

eosinophil

Question 8

Lymphocyte that is active in nonspecific attack against viral or bacterial infected cell?

Answer 8

Natural killer cells

Question 9

Circulating leukocytes that are precursors to macrophage are?

Answer 9

monocytes

Question 10

Inflammatory leukocytes that releases histamine and heparin and attracts other WBC’s to the area of inflammation?

Answer 10

Basophils

Question 11

Process of leukocytes adhering to wall of blood vessel?

Answer 11

Margination

Question 12

Process of leukocytes squeezing through capillary walls?

Answer 12

Diapedesis

Question 13

Type of leukocyte that is quickest to respond and begin phagocytosis?

Answer 13

Neutrophil

Question 14

Phagocytic leukocyte that is the second to respond to an area of infection? (8-12 hours)

Answer 14

Macrophage

Question 15

Factor released by endothelial cells and platelets that stimulates fibroblasts to begin synthesizing collagen?

Answer 15

Platelet derived growth factor (PDGF)

Question 16

Polypeptide secreted by virally infected cells that has protective effect on surrounding cells?

Answer 16

Interferons

Question 17

Group of 20 enzyme like proteins in the blood that enhance inflammation and antimicrobial activity?

Answer 17

complement system

Question 18

Covering of bacterial surface that permits or enhances phagocytosis by macrophages?

Answer 18

Opsonization

Question 19

Protein produced by macrophages that stimulates the hypothalamus to secrete PDE which leads to fever?

Answer 19

Pyrogen

Question 20

Antibody mediated specific immunity?

Answer 20

humoral rsponse

Question 21

Molecules that can evoke an immune response and are usually (but not always) proteins?

Answer 21

Antigens

Question 22

Area on antibody that determines the class of the immunoglobin?

Answer 22

Heavy Chains region

Question 23

Area on antibody that binds foreign materials?

Answer 23

antigen binding site

Question 24

Class of antibody that is involved with secondary immune response and is the most abundant of the antibodies?

Answer 24

IgG

Question 25

Class of antibodies involved in secretions such as tears, saliva, and intestine juices?

Answer 25

IgA

Question 26

Class of antibody that is a pentameter and is involved in the initial immune response?

Answer 26

IgM

Question 27

Antibody action that cases cells to clump together?

Answer 27

Agglutination

Question 28

Antibody action that causes the antigen and antibody to form a solid particle that can be phagocytosed?

Answer 28

Precipitate

Question 29

Antibody that covers that active site of an antigen so that it is not harmful?

Answer 29

Neutralization

Question 30

Antibody action that activates 20 proteins in the nonspecific immune response?

Answer 30

Antigen Antibody reaction

Question 31

Destruction of lymphocytes in the fetus that are self reactive?

Answer 31

Negative Selection

Question 32

Term of lymphocytes that have developed antigen receptors in the fetus?

Answer 32

B-lymphocytes

Question 33

Hormone like messengers between lymphocytes?

Answer 33

Interleukin

Question 34

Type of lymphocyte involved in humoral immunity?

Answer 34

B-cell lymphocytes

Question 35

Active antibody producing cells in blood?

Answer 35

Plasma Cells

Question 36

Type of lymphocyte that is directly involved in attacking viral infected cells?

Answer 36

Killer T Cells

Question 37

Type of lymphocyte that is involved in the activation of both the cell mediated and humoral immunity?

Answer 37

Helper T Cell

Question 38

Type of cells that can activate B lymphocytes and Cytoxic T lymphocytes by bringing them antigen fragments?

Answer 38

APC's

Question 39

Type of mediated cell that forms clones for future exposure to antigens?

Answer 39

Memory Cells

Question 40

Type of lymphocytes that can limit the attack of the immune system by releasing inhibiting lymphokines?

Answer 40

Suppressor T Cells

Question 41

Type of self antigen found on macrophages and other APC's?

Answer 41

MHC-||

Question 42

Type of self antigen found on all nucleated cells?

Answer 42

MHC-|

Question 43

Type of MHC antigen that is recognized by CD4 receptors?

Answer 43

Killer T Cells

Question 44

Costimulator provided by helper T cells to cytotoxic T Cells?

Answer 44

Interleukin ||

Question 45

Function of lymphotoxins produced by Killer T Cells?

Answer 45

Digests DNA

Question 46

Chemical released by Killer T cells that punch holes in virally infected Cell?

Answer 46

Perferan Granules

Question 47

Factor produced by killer T cells that destroys cells infected by cancer?

Answer 47

Tumor necrosis Factor

Question 48

Type of T cell that slows down the immune response?

Answer 48

Suppressor T Cell

Question 49

Type of immunity that is transmitted from mother to fetus

Answer 49

Natural Passive

Question 50

Type of immunity that is developed from a vaccination?

Answer 50

Active Artificial

Question 51

Type of immunity developed after having a disease?

Answer 51

Natural Active

Question 52

Type of antibody involved in the Agglutination of red blood cells?

Answer 52

IgM

Question 53

Enzyme used by retroviruses to plant genetic material of the virus into the host's genome?

Answer 53

Reverse Transcriptase