LYMPHATIC SYSTEM AND IMMUNITY

Question 1

Lymphatic system is composed of two semi-independent parts

Answer 1

Lymphatic vessels/tissues and lymphatic organs

Question 2

Lymph trunks

Answer 2

Lumbar
Intestinal
Broncho mediastinal
Subclavian
Jugular

Question 3

Lymph trunks that drains the lower extremities and pelvis

Answer 3

Lumbar

Question 4

Lymph trunks that drains the abdominal region

Answer 4

Intestinal

Question 5

Lymph trunks that drains the thorax

Answer 5

Bronco mediastinal

Question 6

Lymph trunks that drains upper extremities

Answer 6

Subclavian

Question 7

Lymp trunks that drains the head and neck

Answer 7

Jugular

Question 8

It originates from cisterna chai Lai which empties into the left subclavian being at its junction with the left internal jugular vein

Answer 8

Thoracic duct

Question 9

Which empties into the right subclavian vein at its junction with the right internal jugular vein

Answer 9

Right lymphatic duct

Question 10

Lymph transport

Answer 10

Skeletal muscle contraction
Negative pressure in the thorax
Valves

Question 11

Lymphatic organs basic structural components

Answer 11

Lymphocytes aggregates
Loose connective tissue
Epithelial cells

Question 12

It is located along the lymphatic vessels

Answer 12

Lymph node

Question 13

These are macrophages that phagocytise bacteria

Answer 13

Lymph node

Question 14

These are cells that mounting immune response

Answer 14

Lymphocytes

Question 15

Filters the lymph

Answer 15

Lymph node

Question 16

It is a flat pinkish gray tulip organ laying high in the chest and tear to the aorta and posterior to the sternum

Answer 16

Thymus

Question 17

Increases its size during childhood

Answer 17

Thymus

Question 18

Characteristic feature is hassals or thymic corpus cells

Answer 18

Thymus

Question 19

The lymphoid tissue is not arranged in nodules

Answer 19

Thymus

Question 20

Largest lymphatic organ

Answer 20

Spleen

Question 21

Located at the left hypochondriac region

Answer 21

Spleen

Question 22

Graveyard for senescent or aged RBC

Answer 22

Spleen

Question 23

It filters the blood and produces lymphocytes and plasma cells

Answer 23

Spleen

Question 24

This is a lymphatic organ that is encapsulated with red and white pulps

Answer 24

Spleen

Question 25

Spleen contains

Answer 25

Lymphocytes macrophages RBC

Question 26

This pulp contains abundant RBC and macrophages

Answer 26

Red pulp

Question 27

Contains lymphocytes

Answer 27

White pulp

Question 28

It guards the entrance of the alimentary and respiratory tracts from invasion by microorganisms

Answer 28

Tonsils

Question 29

Several groups of tonsils forming a ring of lymphoid tissue

Answer 29

Waldeyer's ring

Question 30

The components of Waldeyer's ring

Answer 30

Palatine tonsils Nasopharyngeal tonsils Lingual tonsils

Question 31

This is gut associated lymphatic tissue

Answer 31

Peyer's patches

Question 32

Clusters of nodules in the ileum

Answer 32

Peyer's patches

Question 33

Macrophages are in ideal position to capture and destroy bacteria preventing them from reaching the intestinal wall

Answer 33

Peyer's patches

Question 34

Develop as outpocketing of developing vein from mesoderm

Answer 34

Lymphatics

Question 35

Develops from endoderm

Answer 35

Thymus

Question 36

The rest of the lymphoid organs develop from

Answer 36

Mesoderm

Question 37

Defense of the body against disease causing agents like transplant, blood transfusion, autoimmune, allergies, aids

Answer 37

Immunity

Question 38

Immunity can be divided into two

Answer 38

Specific or non-specific

Question 39

These immunity response block the entry or spread of the disease

Answer 39

Non-specific response

Question 40

This immunity response is very specific which is tailored to individual treat and possesses antibody mediated B cells and cells mediated t cells

Answer 40

Specific

Question 41

What cell is antibody mediated

Answer 41

B cells

Question 42

What cell is cell mediated

Answer 42

T cells

Question 43

This is an immune response present at birth which is non-specific and does not become efficient upon the second exposure to same organism

Answer 43

Innate immunity or non-specific immune response

Question 44

These include skin, mucous membrane, phagocytes, natural killer cell, inflammatory response, interferon, complement, fever

Answer 44

Innate immunity or non-specific immune response

Question 45

This is an immune response following certain infection which has antigen and antibody reaction

Answer 45

Acquired or adaptive or specific immune response

Question 46

It is antibody meditated immunity

Answer 46

B lymphocytes humoral

Question 47

It attacks the infected cells virus cancer cells are foreign body

Answer 47

Cytotoxic T cell

Question 48

Terminates normal immune response

Answer 48

Suppressor T cell

Question 49

Involved in humoral immunity

Answer 49

B cells

Question 50

75% of immunoglobulin and all of these are monomers

Answer 50

IgG

Question 51

It crosses the placenta and weakly activates the complement system it is the most abundant

Answer 51

IgG

Question 52

15% of the immunoglobulin where it has serum found in secretions

Answer 52

IgA

Question 53

It is the major class of IG in secretions including peers saliva colostrum and mucus

Answer 53

IgA

Question 54

7 to 10%, it has the largest size of the immunoglobulin and exist as a pentameter

Answer 54

IgM

Question 55

It is the most potent activator of complement system and the first immunoglobulin to be made by the fetus

Answer 55

IgM

Question 56

Less than 1% of the immunoglobuilding and exist as a monomer

Answer 56

IgE

Question 57

It mediates allergic and parasitic reaction and does not fix immunoglobulin to made by the fetus

Answer 57

IgE

Question 58

Below 1% exist only as a monomer main Ab on the surface of lymphocytes of newborn

Answer 58

IgD