A&P II Chapter 21- Lymphatic System
Dissolved solutes are not common components of lymph.
FALSE
Why do fluids leave the capillaries at the arterial end? -
The net filtration pressure of the blood is higher at the arterial end than it is at the venous end.
Lymph vessels transport dietary ______.
lipids
Lacteals pick up dietary
lipids, fats
Lymphatic sinuses in the cortex and medulla of the lymph node ______.
provide a pathway for lymphatic flow
The lymph vessel network begins with lymphatic ______.
------------capillaries vessels ducts
Often when a cancerous tumor is surgically removed from a patient, surrounding lymph nodes are removed as well. Why?
----Cancers that metastasize will travel to nearby lymph nodes first. Lymph nodes, like your appendix, serve no real function. Cancer always forms in lymph nodes first. Cancers found in lymph nodes are the most deadly.
The lymphatic system contains ______ lymphatic ducts.
2
Dissolved solutes are not common components of lymph.
Lacteals
Which lymphocyte matures in the thymus?
T-lymphocyte
Lymph drains from lymphatic trunks into lymphatic ______.
ducts
Lymph drains from lymphatic trunks into two lymphatic _____
ducts
Lymph from the breast travels through the ______ lymph nodes.
axillary
thymus is a
biobeded
The main difference between lymphatic organs and lymphatic nodules is that lymphatic organs have a-------- enclosing them
capsule
The lymphatic system aids the system by transporting excess interstitial fluid.
cardiovascular
The_______chyli carries chyle from the small intestine to the thoracic duct.
cisterna
Lymphatic capillaries are ______ vessels.
closed-ended
Lacteals are located in the ______ tract.
gastrointestinal
The cisterna chyli is directly ______ to the thoracic duct.
inferior
Lymph from the head and neck drains into the ______ trunks.
jugular
Valves in lymphatic vessels are especially important in the ______ limbs.
lower
A buildup of excess interstitial fluid causes ______.
lymphedema
Cancerous cells can travel from one part of the body to another. This process is called metastasis
metastasis
Interstitial fluid is found ______ of cells.
outside
Lymph is moved through lymph vessels by which of the following?
respiratory pump skeletal muscle pumps
The right lymphatic duct drains which of the following parts of the body?
right side of the chest right arm right side of head and neck
The right lymphatic duct drains lymph from which quarter of the body?
right upper
Which of these secondary lymphatic structures have a complete capsule?
spleen lymph node
Which of the following are considered secondary lymphoid structures where lymphocytes are housed after formation?
spleen tonsils lymph nodes
red bone marrow is located in the trabeculae of ______ bone
spongy
Adult red bone marrow is found within the spongy bone in which locations?
sternum vertebrae roofing bones of the skull
The thymus is located in the ______.
superior mediastinum
The larger lymph duct, the left lymphatic duct, is more commonly referred to as the
thoracic
Lymph from the right leg enters the bloodstream through the ______.
thoracic duct
T-lymphocytes migrate to and mature in the thymus
thymus
Lymph moves only one way through lymphatic vessels because of the presence of what internal structures?
valves
Lymphatic vessels resemble small ______.
veins
The lymphatic ducts empty into ______.
veins
Which of the following vessels have valves?
veins lymphatic vessels