Ch. 20: The Lymphatic System Flashcards

What promotes closure to the mini-valves associated with lymph capillaries?

___ are primary lymphoid organs.

What areas are in a secondary lymphoid allow intimate contact between blood and the lymphocytes?

Where in the lymph node do the T- Cells first encounter antigens presented by dendritic cells?

Collections of lymphoid tissues, called MALT (mucosa associated lymphoid tissue), are strategically placed throughout the respiratory, digestive and genitourinary system. Which one of these is located at the end of the Small Intestine?

There is a decrease in our ability to fight infection as we age. Which lymphoid organ may have a role in this decline?

Which of the following is NOT a pat of the lymphatic system?

A) lymphatic vessels

B) blood vessels

C) lymph nodes

D) lymph

Peyer's Patches are located ___.

Small organs associated with lymphatic vessels are termed ___.

The thymus is the only lymphoid organ that does not __.

T/F: Lymph Capillary permeability is due to mini-valves and protein filaments.

Where are the lingual tonsils located?

T/F: When tissues are inflammed, lymphatic capillaries develop openings that permit uptake of large particles such as cell debris, pathogens and cancer cells.

Which lymphatic structure drains lymph from the right side upper limb, right side of the head and right side of the thorax?

What structure delivers lymph into the junction of the internal Jugular vein and subclavian vein?

Which lymphoid cells secrete antibodies?

Lymphoid tissue that appears as a swelling of the mucosa in the oral cavity is called a ___.

The thymus is most active during ___.

T/F: Lymph arrives to the lymph nodes via efferent lymphatic vessels.

What do collecting lymphatic vessels NOT share in common with veins of the cardiovascular system?

The ___ are the most likely to become infected.

Once collected, lymph is returned to ___.

Which lymphoid organ provides a site for lymphocyte proliferation and immune surveillance and response and provides blood-cleansing functions?

Antibodies that act against a particular foreign substance are released by __.

___ is not a normal component of lymph.

Where are worn-out erythrocytes found in the spleen?

Lymphatic vessels ____.

The first lymphoid organ to appear during fetal development is the ___.

Which lymphoid organ serves as the site where T-Lymphocytes become immunocompetent T-Cells?

___ tissue is predominantly reticular connective tissue.

___ is NOT a lymphatic cell.

Which is not a function of lymph nodes?

Lymph nodes are surrounded by a capsule from which connective tissue strands extend inward to divide the node into compartments. What is the name of these strands?

Which tonsil is located in the posterior wall of the nasopharynx and is referred to as the adenoids if it is enlarged?

Of the following lymphoid organs, which are structurally simplest and lack a complete capsule?

Lymph from what regions of the body are drained into the right lymphatic duct?

___ is not a lymphoid organ or tissue.

Antibodies are produced by ___.

Which of the following statements about the thymus is NOT true?

What is the name of the enlarged sac to which the lumbar trunks and the intestinal trunk returns lymph?

Which of the following would not be classified as a lymphatic structure?

A) Tonsils

B) Spleen

C) Pancreas

D) Peyer's Patches

Which part of the spleen is the site of immune function?

What is the role of the mini-valves in lymph capillaries?

Which of the following is NOT a part of MALT?

a) Tonsils

b) Lymph Nodes

c) Peyer's Patches

d) Appendix

The lymphatic capillaries are ___.

Peyer's patches are found in the ___.

Lymphatic collecting vessels are most closely associated with ___.

Which of the following is not a part of the lymphatic system?

a) Erythrocytes

b) Lymph Nodes

c) Lymph

d) Lymphatic Vessels

Lymph capillaries are are absent in all except ___.

a) CNS

b) Digestive Organs

c) Bones and Teeth

d) Bone Marrow

Large clusters of lymph nodes occur in all of the following locations except ___.

___ returns lymph to the right lymphatic duct.

T/F: The Cisterna Chyli collects lymph from the lumbar trunks, draining the upper limbs and from the intestinal trunk draining the digestive organs.

Functions of the spleen include all of the following except ___.

a) storage of blood platelets

b) storage of iron

c) forming crypts that trap bacteria

d) removal of old or defective blood cells from the blood

Lymph transport involves all but which of the following?

a) milking action of active muscle fibers

b) lymph capillary mini-valve action

c) thorax pressure changes during breathing

d) smooth muscle contraction in the lymph capillary walls

Which lymphoid organ serves in immune surveillance and in filtering lymph?

Which of the following is a role of lymph nodes?

a) they produce lymph

b) the return lymph to circulation

c) they filter lymph

d) they produce red blood cells

___ is NOT a function of the lymphatic system.

___ lacks lymph capillaries.

___ are functions of lymphoid tissue.

___ does not contain MALT tissue.

Digestive tract associated lymphatic tissue includes all of the following except ___.

Which lymphoid organ is primarily active during the early years of life?