Lymphatic system

62問 • 1年前

eiren

通報

問題一覧

The lymphatic system helps the immune system protect the body from infections and disease

True

The lymphatic system functions in the absorption of digested ___ from intestines to blood

Lipids (chyle)

The lymphatic system returns ___ back to the blood

Interstitial fluid and proteins

Lymph is similar to plasma except it has less

Proteins

Lymph capillaries are ___ permeable than blood capillaries

Why are lymphatic capillaries highly permeable?

To take up large proteins and other debris like pathogens and cancer cells

Lacteals are

Specialized lymph capillaries in the intestinal mucosa

Lymph capillaries drain into increasing larger vessels called

Collecting lymph vessels

Lymphatic vessels anastomose frequently

True

Drain large areas of body

Lymphatic trunks

Physical activity ___ flow of lymph

Increases

The lymphatic system has valves to prevent

Backflow

Lymphedema is

Severe localized blood flow

Lymphedema is caused by

Anything that prevents normal return of lymph to blood

Lymphocytes arise in

Red bone marrow

The main lymphoid cell involved in immune response is

Lymphocytes

An antigen is

Anything the body perceives as foriegin that provokes an immune response

T cells and B cells protect the body against

Antigens

T cells mature in the

Thymus

Manage the immune response

Helper T cells

Attack and destroy foreign cells

Cytotoxic T cells

Produce plasma bodies that secrete antibodies

B cells

Mature in the red bone marrow

B cells

The lymph nodes act as a site for immune system

Activation

Inflamed/swollen lymph nodes are created by

Foreign antigens

If lymph nodes are swollen but not painful it can be indicative of

Metastatic cancer

The part of the spleen involved in immune function is the

White pulp

Mucosa-associated lymphoid tissue protects from

Pathogens trying to enter the body

Secretes hormones that causes T lymphocytes to become immunocompetent

Thymus

Lymphoid organs are poorly developed at birth

True

The lymphatic system consists of

Lymphatic vessels, lymph, lymph nodes

Lymphoid tissue is mostly composed of

Reticular connective tissue

___ live in lymphoid tissue

Macrophages

Lymphoid tissue provides a ___ site for lymphocytes

Proliferation

Lymphoid follicles are nodules that often have a germinal center composed of

Dendritic and proliferating B cells

Site of lymphocyte proliferation

Spleen

The ___ pulp of the spleen disposes of old RBC’s and bloodborne pathogens

Red pulp

Tonsils function to remove ___ in food and air

Pathogens

Drains the right upper arm and right side of the head and thorax

Right lymphatic duct

Empties into right subclavian vein

Right lymphatic duct

The largest lymphatic duct is

The thoracic duct

An immunocompetent cell is

A mature cell

An immunocompetent cell has developed a ___ for a particular antigen

Receptor

Only ___ cells can destroy a ‘non self’ cell

Cytotoxic T cells

Plasma cells produce

Antibodies

Monocytes turn into

Macrophages

Primary lymphoid organs are

Areas where B and T cells mature

The primary lymphoid organs include

Thymus and red bone marrow

The largest lymphoid organ is the

Spleen

A person making their own antibodies is

Active immunity

A person receiving antibodies made by another person or animal is

Passive immunity

Active immunity occurs when

Antibodies are naturally or artificially acquired

Being given a vaccine is a result of

Active immunity

Active immunity occurs

When B cells encounter antigens

Passive immunity is when

Immunological memory does not occur

A fetus or baby receiving antibodies via the placenta or breastmilk is an example of

Naturally acquired passive immunity

A snakebite or rabies vaccine is an example of artificially acquired passive immunity because

Antibodies are acquired from a serum but protection is temporary as the antibodies naturally degrade

Antibodies ___ destroy the antigen

Do not

When antibodies meet an antigen they will

Inactivate and tag it for destruction

Antigen-antibody complexes undergo ___

Phagocytosis

T cells can only be activated when ___ is presented to them

Antigen

Without ___ there can be no immune response

Helper T cells

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問題一覧

The lymphatic system helps the immune system protect the body from infections and disease

True

The lymphatic system functions in the absorption of digested ___ from intestines to blood

Lipids (chyle)

The lymphatic system returns ___ back to the blood

Interstitial fluid and proteins

Lymph is similar to plasma except it has less

Proteins

Lymph capillaries are ___ permeable than blood capillaries

Why are lymphatic capillaries highly permeable?

To take up large proteins and other debris like pathogens and cancer cells

Lacteals are

Specialized lymph capillaries in the intestinal mucosa

Lymph capillaries drain into increasing larger vessels called

Collecting lymph vessels

Lymphatic vessels anastomose frequently

True

Drain large areas of body

Lymphatic trunks

Physical activity ___ flow of lymph

Increases

The lymphatic system has valves to prevent

Backflow

Lymphedema is

Severe localized blood flow

Lymphedema is caused by

Anything that prevents normal return of lymph to blood

Lymphocytes arise in

Red bone marrow

The main lymphoid cell involved in immune response is

Lymphocytes

An antigen is

Anything the body perceives as foriegin that provokes an immune response

T cells and B cells protect the body against

Antigens

T cells mature in the

Thymus

Manage the immune response

Helper T cells

Attack and destroy foreign cells

Cytotoxic T cells

Produce plasma bodies that secrete antibodies

B cells

Mature in the red bone marrow

B cells

The lymph nodes act as a site for immune system

Activation

Inflamed/swollen lymph nodes are created by

Foreign antigens

If lymph nodes are swollen but not painful it can be indicative of

Metastatic cancer

The part of the spleen involved in immune function is the

White pulp

Mucosa-associated lymphoid tissue protects from

Pathogens trying to enter the body

Secretes hormones that causes T lymphocytes to become immunocompetent

Thymus

Lymphoid organs are poorly developed at birth

True

The lymphatic system consists of

Lymphatic vessels, lymph, lymph nodes

Lymphoid tissue is mostly composed of

Reticular connective tissue

___ live in lymphoid tissue

Macrophages

Lymphoid tissue provides a ___ site for lymphocytes

Proliferation

Lymphoid follicles are nodules that often have a germinal center composed of

Dendritic and proliferating B cells

Site of lymphocyte proliferation

Spleen

The ___ pulp of the spleen disposes of old RBC’s and bloodborne pathogens

Red pulp

Tonsils function to remove ___ in food and air

Pathogens

Drains the right upper arm and right side of the head and thorax

Right lymphatic duct

Empties into right subclavian vein

Right lymphatic duct

The largest lymphatic duct is

The thoracic duct

An immunocompetent cell is

A mature cell

An immunocompetent cell has developed a ___ for a particular antigen

Receptor

Only ___ cells can destroy a ‘non self’ cell

Cytotoxic T cells

Plasma cells produce

Antibodies

Monocytes turn into

Macrophages

Primary lymphoid organs are

Areas where B and T cells mature

The primary lymphoid organs include

Thymus and red bone marrow

The largest lymphoid organ is the

Spleen

A person making their own antibodies is

Active immunity

A person receiving antibodies made by another person or animal is

Passive immunity

Active immunity occurs when

Antibodies are naturally or artificially acquired

Being given a vaccine is a result of

Active immunity

Active immunity occurs

When B cells encounter antigens

Passive immunity is when

Immunological memory does not occur

A fetus or baby receiving antibodies via the placenta or breastmilk is an example of

Naturally acquired passive immunity

A snakebite or rabies vaccine is an example of artificially acquired passive immunity because

Antibodies are acquired from a serum but protection is temporary as the antibodies naturally degrade

Antibodies ___ destroy the antigen

Do not

When antibodies meet an antigen they will

Inactivate and tag it for destruction

Antigen-antibody complexes undergo ___

Phagocytosis

T cells can only be activated when ___ is presented to them

Antigen

Without ___ there can be no immune response

Helper T cells