Exam Questions All Solved Correctly
2026-2027 Updated.
what is the lymphatic system? - Answer system of tissues and vessels scattered throughout
the body and services almost all regions
what are the parts of the lymphatic system? - Answer tonsils, thymus, spleen, peyer patch,
small intestine, appendix, lymph nodes and vessels
functions of the lymphatic system - Answer fluid balance, protection, and absorption of fats
lymphatic circulation is - Answer one-way system that begins in the tissues and ends when
the lymph joins the blood
lymphatic capillaries - Answer walls (endothelium) flattened epithelial cells, more permeable,
cells overlap slightly, forming one-way valves, lacteals absorb fat, arise blindly (closed at one
end)
lymphatic vessels - Answer include superficial and deep sets, right lymphatic duct and
thoracic duct
right lymphatic duct - Answer short vessel receives only lymph that comes from the body's
superior right quadrant and empties into right subclavian vein near heart
thoracic duct - Answer receives lymph from all parts of the body except those superior to the
diaphragm on the right side; drains into thee left subclavian vein
cisterna chyli - Answer first part of the thoracic duct enlarged to form cistern or a temp
storage pouch
movement of lymph toward heart is caused by: - Answer valves in lymphatic vessels
contraction of lymphatic vessels
skeletal muscle contraction
breathing
roughly how many lymph nodes are in the body? - Answer about 600
, lymphoid tissue - Answer distributed throughout the body and makes up specialized organs
lymph nodes - Answer small masses of lymphatic tissue that filter the lymph
lymph - Answer fluid that circulates in the lymphatic system, clear fluid;
hilum - Answer indented area that is the exit point for efferent lymphatic vessels carrying
lymph out of the node
cervical nodes - Answer located in the neck in deep and superficial groups, drain parts of
head and neck
axillary nodes - Answer located in armpits
tracheobronchial nodes - Answer near the trachea and around the larger bronchial tubes
mesenteric nodes - Answer found between the two layers of peritoneum that form the
mesentry, 100-150 nodes
Inguinal nodes - Answer located in groin region, receive lymph drainage from lower
extremities and from external reproductive organs
buboes - Answer enlarged Inguinal nodes
the spleen - Answer cleanses blood through filtration and phagocytosis, destroys old blood
cells, produces red blood cells before birth, serves as a reservoir for blood
splenectomy - Answer surgical removal of the the spleen
lacteals - Answer specialized lymphatic capillaries in the lining of the small intestine that
absorb fats
the thymus - Answer plays a role in early immune system development, t cells mature,
shrinks after puberty, produce thymosin