HBIO301 FINAL EXAM QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE
any given cell in the body is what distance away from a capillary bed
100 microns (1 cell diameter)
at the arteriole end of capillary bed capillary hydrostatic pressure ___ blood
osmotic pressure and the net fluid movement is ...
>, out of capillary
at the venule end of the capillary bed, capillary hydrostatic pressure ___ blood
osmotic pressure and the net fluid movement is ....
<, into capillary
as fluid gets pushed out of capillary, what is left behind in the blood?
plasma proteins
amount off interstitial fluid per day that gets picked up by lymphatic vessels
3.6 L
lymph ducts empty into the great veins of the ...
neck
lymph flows only towards
the heart
function of lymph
-collect excess tissue fluid and any leaked blood proteins and return them to the
cardiovascular system
,smallest lymph vessels which first receive lymph
lymph capillaries
function of lymph capillary filaments (2)
-anchor vessel to connective tissue
-open flaplike minivalve when interstitial fluid increases
T or F lymph capillaries are completely absent from bone marrow
F mostly absent
lacteals are a special kind of lymphatic capillary in the ... which help absorb ...
villi of GI mucosa, chylomicrons
glymphatic system is a perivascular system formed by astrocyte aquaporin-4
channels and empties into the ... lymphatic vessels followed by the ... lymphatic
vessels
meningeal, cervical
CNS lymphatic vessels which preform minor drainage of CSF and interstitial fluid
perivascular
order of lymphatic vessels from smallest to largest
lymph capillaries, lymphatic vessels, lymph trunks, lymph ducts
the repeating units of half-moon valves in lymphatic vessels are termed
lymphangions
the intrinsic mechanism for propelling lymph involves the regular contracts of
lymphatic muscle within the tunica ... of the lymph vessels in a process called ...
media, lymphangion motoricity
3 superficial lymph node regions
,cervical, axillary, inguinal
3 deep lymph node regions
tracheobronchial, aortic, iliac
lymph nodes are surrounded by a ... capsule and are divided into segments by ...
fibrous, trabeculae
Drains into the thoracic duct
left side of body including small intestine
drains into the right lymphatic duct
right side of body
T or F lymph enters concave aspect of a lymph node through afferent vessels
F convex
as lymph enters node through afferent vessels, it percolates through the 3
sinuses in what orderq
subcapsular --> cortical ---> medullary
lymph exits lymph node at the ... through ... lymphatic vessels
hilum, efferent
spanned internally across lymph nodes by crisscrossing networks of reticular
fibers covered by endothelial cells
lymph sinuses
where do right and left lumbar trunks receive lymph from?
lumbar trunks
where does intestinal trunk receive lymph from?
chyle from digestive organs
, where do bronchomediastinal trunks receive lymph from?
thoracic viscera
where do subclavian trunks receive lymph from?
upper limbs and thoracic wall
where do jugular trunks receive lymph from?
head and neck
transiently formed sites in lymph nodes where B cells are activated, proliferate
and differentiate
germinal centers
80% of people lack this duct and their trunks form their own independent
connections to the vein
right lymphatic duct
located at the union of the lumbar and intestinal trunks
cisterna chyli aka receptaculum chyli
the thoracic duct empties into venous circulation at the junction of what two
veins
left internal jugular and left subclavian veins
the right lymphatic duct empties into venous circulation at the junction of what
two veins
right internal jugular and right subclavian veins
T or F most lymphocytes are found resident in lymphoid organs or tissues
F circulating
T cells are made in the ... and mature in the ...
COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE
any given cell in the body is what distance away from a capillary bed
100 microns (1 cell diameter)
at the arteriole end of capillary bed capillary hydrostatic pressure ___ blood
osmotic pressure and the net fluid movement is ...
>, out of capillary
at the venule end of the capillary bed, capillary hydrostatic pressure ___ blood
osmotic pressure and the net fluid movement is ....
<, into capillary
as fluid gets pushed out of capillary, what is left behind in the blood?
plasma proteins
amount off interstitial fluid per day that gets picked up by lymphatic vessels
3.6 L
lymph ducts empty into the great veins of the ...
neck
lymph flows only towards
the heart
function of lymph
-collect excess tissue fluid and any leaked blood proteins and return them to the
cardiovascular system
,smallest lymph vessels which first receive lymph
lymph capillaries
function of lymph capillary filaments (2)
-anchor vessel to connective tissue
-open flaplike minivalve when interstitial fluid increases
T or F lymph capillaries are completely absent from bone marrow
F mostly absent
lacteals are a special kind of lymphatic capillary in the ... which help absorb ...
villi of GI mucosa, chylomicrons
glymphatic system is a perivascular system formed by astrocyte aquaporin-4
channels and empties into the ... lymphatic vessels followed by the ... lymphatic
vessels
meningeal, cervical
CNS lymphatic vessels which preform minor drainage of CSF and interstitial fluid
perivascular
order of lymphatic vessels from smallest to largest
lymph capillaries, lymphatic vessels, lymph trunks, lymph ducts
the repeating units of half-moon valves in lymphatic vessels are termed
lymphangions
the intrinsic mechanism for propelling lymph involves the regular contracts of
lymphatic muscle within the tunica ... of the lymph vessels in a process called ...
media, lymphangion motoricity
3 superficial lymph node regions
,cervical, axillary, inguinal
3 deep lymph node regions
tracheobronchial, aortic, iliac
lymph nodes are surrounded by a ... capsule and are divided into segments by ...
fibrous, trabeculae
Drains into the thoracic duct
left side of body including small intestine
drains into the right lymphatic duct
right side of body
T or F lymph enters concave aspect of a lymph node through afferent vessels
F convex
as lymph enters node through afferent vessels, it percolates through the 3
sinuses in what orderq
subcapsular --> cortical ---> medullary
lymph exits lymph node at the ... through ... lymphatic vessels
hilum, efferent
spanned internally across lymph nodes by crisscrossing networks of reticular
fibers covered by endothelial cells
lymph sinuses
where do right and left lumbar trunks receive lymph from?
lumbar trunks
where does intestinal trunk receive lymph from?
chyle from digestive organs
, where do bronchomediastinal trunks receive lymph from?
thoracic viscera
where do subclavian trunks receive lymph from?
upper limbs and thoracic wall
where do jugular trunks receive lymph from?
head and neck
transiently formed sites in lymph nodes where B cells are activated, proliferate
and differentiate
germinal centers
80% of people lack this duct and their trunks form their own independent
connections to the vein
right lymphatic duct
located at the union of the lumbar and intestinal trunks
cisterna chyli aka receptaculum chyli
the thoracic duct empties into venous circulation at the junction of what two
veins
left internal jugular and left subclavian veins
the right lymphatic duct empties into venous circulation at the junction of what
two veins
right internal jugular and right subclavian veins
T or F most lymphocytes are found resident in lymphoid organs or tissues
F circulating
T cells are made in the ... and mature in the ...
