70 Questions
Which of the following is NOT a component of the lymphatic system?
Liver
What is the primary function of the lymphatic system?
Returning excess interstitial fluid to the cardiovascular system
What is the fluid carried by the lymphatic system called?
Lymph
What is the role of lymph nodes in the lymphatic system?
To trap and process antigens
What is the main function of the thymus?
To produce mature T-cells
What is the function of the spleen in the lymphatic system?
Both A and B
What is the characteristic of lymph fluid that differentiates it from plasma?
A and C
What is the final destination of lymph before it is emptied into the bloodstream?
Thoracic duct
Components of the peripheral/secondary compartment
Both A AND C
What are the two classifications/compartments of lymphoid organs?
Primary and secondary
Which organ acts as a reservoir for blood when the animal is at rest?
Spleen
What is the function of the tonsils in the lymphatic system?
To prevent the spread of infection into respiratory and digestive systems
Where is the spleen located in the body?
Left side of the abdomen near the stomach
What is/are the components of the primary/central lymphoid organs
Thymus
What does GALT refer to?
A type of lymph tissue found in the lining of the intestinal tract
The spleen is a ________ shaped organ
Tongue
Which lymphatic structure is found at the beginning of lymph drainage system?
Tonsils
The spleen is covered with a __________ of __________ connective tissue and _________
Capsule, fibrous, smooth muscle
Which lymphatic structure is found close to moist epithelial surfaces?
Tonsils
What do the smooth muscle cells in the spleen do
Contract and squeeze blood out of spleen and back into circulation
When storage spaces are filled with blood the spleen gets:
Larger
The lymph system is the 2nd largest component of the immune system, True or false
True
The lymphatic vessels associated with the Malt-mucosa are
Both A and B
Why is there more excess tissue fluid?
More fluid leaves the blood capillaries than reenters them
Lymph is carried through squamous epithelial cells and deposited back into the blood stream. True or false
False
What are the two separate parts of animal's immune system
Both A and B
30% of the intestinal musoca is GALT. True or False
False
Term for lymphoid tissue found in the lining of the intestines
GALT
What is the location for the production of lymphocytes
Both B and C
What is the name of the lymph node palpated at the ventral aspect of jaw
Submandibular
What organ has both lymphatic and hematological functions
Spleen
Where does lymph in the lymphatic duct drain into
Subclavian veins
Name of the lymph node found on the caudal aspect of the stifle
Popliteal
The capillaries have high enough _____ causing plasma to be pushed into the tissues
Pressure
Type of blood capillary that pushes plasma out of the blood vessels and into the tissues
Fenestrated capillary
Where are the submandibular lymph nodes located?
In the neck
What type of movement involving fluid moves most of the plasma back into the blood stream
Reabsorption
What is the large lymph vessel that deposits the lymph fluid back into the blood stream
Thoracic duct
When compared with blood plasma lymph has a ______ protein value
Lower
Which of the following is associated with GALT
Peyer's patches
As lymph passes through the lymph node what cells found in the tissues acts to filter the lymph of microorganisms
Macrophages
A unique feature of tonsils when compared to lymph nodes is that they do not have _________ surrounding the tissue
Capsule
lymph vessels closely follow the path of _______ as they return to the heart
Veins
Capillaries in the tissue join to form larger vessels in order to?
Propel lymph towards the heart
Lymph fluid contains varying numbers of cells, primarily thymocytes. True or False
False
Lymph fluid is a transparent or translucent liquid. True or False
True
What is excessive interstitial fluid picked up by?
Small lymph capillaries
Fluid enters/leaves tissue spaces due to _________ __________ and ___________ __________
Blood pressure, osmostic pressure
What joins together to form larger and larger lymph vessels
Lymph capillaries
What propels lymph towards the heart
One way valves and body movement
Lymph passes through at least _____ lymph node and picks up ________
One, lymphocytes
What do macrophages in lymph node remove?
Remove microorganisms
Where is the thoracic duct located
Just before vena cava enters the atrium
Which of the following IS a function of lymph
Removal of excess tissue fluid
Which of the following IS a function of lymph
Waste material transport
Which of the following IS a function of lymph
Protein transport
Lymph nodes trap foreign materials in lymph. True or false
True
Lymph nodes are large, kidney bean shaped filters located along lymphatic vessels. True or False
False
Which of the following IS a function of lymph nodes
Drain organs in their associated locations
What happens to lymph nodes in response to antigenic stimulation
Enlarge
What is the procedure needed for evaluation of abnormalities in the lymph nodes
Both A and B
Lymph node that is located just behind each side of your jaw in your neck region
Submadibular
Identify the lymph nodes palpated during examination
Submandibular, prescapular, axillary, inguinal, popliteal
When the body needs excess blood cells it:
Contracts and gets smaller
What are tonsils classed as
Peripheral/secondary lymphoid tissue
Cells leave the thymus and travel to
Secondary/peripheral lymphoid tissue
The thymus is important in
Stimulating cell-mediated immune response
Most prominent in young animals and is located in the cranial thoracic region
Thymus
What is the function of the GALT (gut associated lymph tissue)?
To prevent spread of infection into the respiratory and digestive systems
What is the function of the spleen when the body needs excess blood cells?
It contracts and squeezes blood back into circulation
Test your knowledge of lymphatic tissue anatomy and function with this quiz! Learn about the structure and function of the lymphatic system, how lymph is removed and transported, and the characteristics of lymph. Identify lymph node structures and common palpation points.
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