BIOL 431 UNIT 2 EXAM QUESTIONS
AND ANSWERS
Where does the thoracic duct receive lymph from - Answer-upper half and everything
below the ribs
where does the thoracic duct drain lymph into venous blood via - Answer-left subclavian
and left internal jugular vein
where does the right lymphatic duct receive lymph from - Answer-upper right side of
body and head
lymph flows as a result of_______ - Answer-one-way flaps on capillaries
what are the two pumps that aid lymph return to venous blood - Answer-skeletal muscle
pump (milking action)
respiratory pump (pressure changes during breathing)
function of primary lymphatic organ - Answer-where stem cells divide and become
immunocompetent
Where do T cells mature? - Answer-thymus gland
function of secondary lymphatic organs - Answer-where most immune response occurs
primary lymphatic organs - Answer-red bone marrow and thymus gland
secondary lymphatic organs - Answer-lymph nodes and spleen
what are the clusters of lymphocytes that stand guard in all mucous membranes -
Answer-MALT aka lymphatic nodules
function of bone marrow - Answer-produces blood cells (hemopoiesis)
What is lymph - Answer-excess tissue fluid carried by lymphatic vessels
How many lymph nodes are in the body? - Answer-500-600
what are the vessels where interstitial fluids enters the lymphatic system to become
lymph fluid - Answer-lymphatic capillaries
what are lymphatic capillaries - Answer-Similar to blood capillaries, with modifications:
Very permeable, loosely joined endothelial minivalves.
AND ANSWERS
Where does the thoracic duct receive lymph from - Answer-upper half and everything
below the ribs
where does the thoracic duct drain lymph into venous blood via - Answer-left subclavian
and left internal jugular vein
where does the right lymphatic duct receive lymph from - Answer-upper right side of
body and head
lymph flows as a result of_______ - Answer-one-way flaps on capillaries
what are the two pumps that aid lymph return to venous blood - Answer-skeletal muscle
pump (milking action)
respiratory pump (pressure changes during breathing)
function of primary lymphatic organ - Answer-where stem cells divide and become
immunocompetent
Where do T cells mature? - Answer-thymus gland
function of secondary lymphatic organs - Answer-where most immune response occurs
primary lymphatic organs - Answer-red bone marrow and thymus gland
secondary lymphatic organs - Answer-lymph nodes and spleen
what are the clusters of lymphocytes that stand guard in all mucous membranes -
Answer-MALT aka lymphatic nodules
function of bone marrow - Answer-produces blood cells (hemopoiesis)
What is lymph - Answer-excess tissue fluid carried by lymphatic vessels
How many lymph nodes are in the body? - Answer-500-600
what are the vessels where interstitial fluids enters the lymphatic system to become
lymph fluid - Answer-lymphatic capillaries
what are lymphatic capillaries - Answer-Similar to blood capillaries, with modifications:
Very permeable, loosely joined endothelial minivalves.
