What promotes closure to the mini-valves associated with lymph capillaries?
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
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?
Lymphoid tissue that appears as a swelling of the mucosa in the oral cavity is called a ___.
What do collecting lymphatic vessels NOT share in common with veins of the cardiovascular system?
Which lymphoid organ provides a site for lymphocyte proliferation and immune surveillance and response and provides blood-cleansing functions?
Which lymphoid organ serves as the site where T-Lymphocytes become immunocompetent T-Cells?
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?
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?
D) Peyer's Patches
Which of the following is NOT a part of MALT?
b) Lymph Nodes
c) Peyer's Patches
Which of the following is not a part of the lymphatic system?
b) Lymph Nodes
d) Lymphatic Vessels
Lymph capillaries are are absent in all except ___.
b) Digestive Organs
c) Bones and Teeth
d) Bone Marrow
Large clusters of lymph nodes occur in all of the following locations except ___.
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 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
___ are functions of lymphoid tissue.
Digestive tract associated lymphatic tissue includes all of the following except ___.