JERSEY COLLEGE 2026 LAB SCRIPT
SOLVED QUESTIONS VERIFIED
ANSWERS A+
◉ 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