A&PII Ch 21
Inguinal lymph nodes carry lymph to the ___.
legs
The spleen normally lies ___ to the left kidney.
lateral
The lymphatic system contains ___ lymphatic ducts.
2
Lymph from the breast travels through the ______ lymph nodes.
axillary
Select all that apply Large clusters of lymph nodes are found in which of the following regions? antecubital lumbar popliteal axillary cervical inguinal
axillary cervical inguinal
The thymus is a ____ organ. bilobed circular multilobed
bilobed
The main difference between lymphatic organs and lymphatic nodules is that lymphatic organs have a ___ enclosing them.
capsule
The largest lymph vessels are called lymphatic ____.
ducts
Lymphatic capillaries are ___ vessels. open ended closed ended fenestrated perforated
closed ended
lymph drains from lymphatic trunks into a lymphatic ___.
ducts
lymphatic capillaries are usually ___ in diameter than blood capillaries. smaller larger
larger
Lymphoid nodules are also called lymphoid ___.
follicles
The region where blood vessels and nerves enter and leave the spleen is called the ______.
hilum
When blood plasma leaks out of the capillaries it is then called:
interstitial fluid
Lymph from the head and neck drains into the ___ trunks.
jugular
Valves in lymphatic vessels are especially important in the ___ limbs. lower upper
lower
After interstitial fluid enters the lymphatic vessels it is called _____.
lymph
Lymph vessels are found in the ___ systems.
lymphatic
Select all that apply Which of the following vessels have valves? lymphatic vessels veins arteries blood capillaries
lymphatic vessels veins
Lymphoid ___ are small clusters of lymphocytes that lack a complete capsule?
nodules
Interstitial fluid is found ___ of cells. inside outside
outside
The adenoids are also called the ___ tonsils.
pharyngeal
Which tonsils are found in the posterior wall of the nasopharynx?
pharyngeal tonsils
The thymus is a ___ lymphatic structure.
primary
The thymus is a ___ lymphatic structure. secondary primary
primary
All lymphocytes originate in the ____. spleen liver yellow bone marrow lymph nodes red bone marrow
red bone marrow
Select all that apply Which of the following are considered primary lymphoid structures where lymphocytes are produced? thyroid lymph nodes spleen red bone marrow thymus
red bone marrow thymus
The thymus ___ after puberty.
shrinks
Which of the following is the largest lymphoid organ in the body?
spleen
Which of the following is the largest lymphoid organ in the body? spleen thymus lymph node liver
spleen
Select all that apply Which of these secondary lymphatic structures have a complete capsule? spleen lymphatic nodules MALT tonsils lymph node
spleen lymph nodes
Blood drains out of the spleen through the ___. splenic vein splenic artery afferent lymphatic vessel efferent lymphatic vessel
splenic vein
Red bone marrow is located within the trabecular of ___ bone. compact spongy
spongry
Select all that apply Which of the following are considered primary lymphoid structures where lymphocytes are produced? lymph nodes thymus spleen thyroid red bone marrow
thymus red bone marrow
What is the function of lymphoid nodules?
to help defend against infection where they are found
Lymphatic ____ are formed from merging lymphatic vessels.
trunks
In which abdominal quadrant is the spleen located?
upper left quadrant
Lymphatic vessels resemble small ___
veins
The lymphatic ducts empty into ___. lymph nodes the heart arteries veins
veins
The lymphatic ducts empty into ___. veins arteries the heart lymph nodes
veins