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Anaphy
Ananphy
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NESIE MANGINSAY
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Cards (44)
What does the term "lymphatic" mean in relation to the lymphatic system?
"
Clear water
"
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What is the primary function of the lymphatic system?
It returns fluid from
tissues
to the heart.
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How does the lymphatic system assist with large molecules?
It helps
large molecules enter
the
blood.
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What role does the lymphatic system play in immune surveillance?
It helps with immune surveillance.
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What is the fluid that seeps out of capillaries daily?
20L
seeps out of capillaries
17L
is reabsorbed
3L
is collected by lymphatics and returned to blood
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What is the volume of blood in the human body?
5L
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How often is blood recycled in the body?
Blood is constantly in motion and recycled
over
and over each day.
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Is the lymphatic system a closed loop?
No
, the
lymphatic system
isn't a
closed loop.
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What are the smallest lymphatic vessels called?
Lymphatic capillaries
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What is a characteristic of lymphatic capillaries?
They have
permeable walls
.
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What do endothelial cells in lymphatic capillaries form?
They form one-way
minivalves
.
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What are the main trunks of the lymphatic system?
Lumbar
Bronchomediastinal
Subclavian
Jugular
Intestinal
Right lymphatic duct
Thoracic
duct
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What is the function of valves in lymphatic vessels?
They
keep
lymph
from
sliding
backwards.
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What is the role of lymphoid organs?
They remove
foreign
material from
lymph
and act as
lookout
points for
immune
defenses.
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What type of tissue is diffuse lymphoid tissue?
It is a loose arrangement of lymphoid cells and
protein
.
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Where is diffuse lymphoid tissue found?
In the
gastrointestinal
and
respiratory
tract.
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What are lymph nodes and their characteristics?
Tightly packed
cells
and protein
Hundreds of nodes along vessels
Size: a few
mm
to 1-2
cm
Palpable in
neck
,
armpits
, and
groin
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What is the function of dendritic cells in lymph nodes?
They present
antigens
and continuously sample lymph.
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What do B cells do?
B cells make
antibodies
and only react to
foreign
antigens.
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What is the role of T cells in the lymphatic system?
T cells monitor lymph nodes, lymph, and blood for pathogens and cells tagged by
antibodies
.
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What are the two types of pulp in the spleen?
White pulp
: involved in immune response
Red pulp
: involved in recycling red blood cells
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What happens to T cells that react to self-antigens?
They are
destroyed.
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What are the types of tonsils?
Adenoid
Tubal
Palatine
Lingual
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What is the function of tonsils?
They trap
pathogens
from food and air.
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What are the main functions of the lymphatic system?
Maintains
fluid level
Absorbs dietary fat
Protects
the body
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What is lymph?
Clear, slightly yellow fluid transported through tubes
similar
to blood vessels.
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What is the role of lymph nodes in the lymphatic system?
Lymph nodes play a role in
immune function
.
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What is the pathway of lymphatic fluid?
Lymphatic capillaries
Lymphatic plexuses
Lymphatic vessels
Lymphatic trunks
Thoracic duct
&
Right lymphatic duct
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What does the right lymphatic duct collect lymph from?
Right side of
head & neck
, right side of
chest
, and right
upper limb
.
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What does the thoracic duct collect lymph from?
Left side of head and neck, left side of chest, left upper limb,
abdomen
, and both
lower limbs
.
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What is the cisterna chyli?
It is a
lymphatic
reservoir.
It collects lymph from lower limbs,
abdominal
viscera, and pelvis.
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What happens if the spleen is palpable during examination?
It indicates
splenomegaly
.
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What should be reported to the healthcare provider regarding lymph nodes?
Painless,
enlarged
, non-movable lymph nodes should be reported.
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What are the signs of infection or inflammation in lymph nodes?
Redness
Warmth
Nearby
wound
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What does "shotty nodes" refer to?
Small groups of nodes that move with pressure and are normal with
recent infection
.
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What does "matted nodes" indicate?
Swollen and grouped together nodes, which can indicate tuberculosis or
Hodgkin
disease.
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What should be documented in cases of diffuse lymphadenopathy?
Location
and
extent
of the lymphadenopathy should be documented.
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What does rapid enlargement of lymph nodes typically indicate?
It typically indicates a
malignant
condition.
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What is the normal size of healthy lymph nodes?
Healthy lymph nodes are typically
0.5-1 cm
.
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What should be observed for in lymph nodes during assessment?
Temperature
,
enlargement
, firmness,
tenderness
, and mobility should be observed.
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