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MMSC 433 exam 1 With Questions And 100% ALL SURE ANSWERS
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JACKLINEMMSC 433 exam 1 With Questions And 100% ALL SURE ANSWERS
Practice questions for this set
, 8/24/24, 9:16 PM
Terms in this set (82)
-ferric iron is taken in from diet
-ferric iron is reduced by duodenal cytochrome B to become ferrous iron
iron absorption -ferrous iron is absorbed into enterocytes by DMT 1
-absorbed iron is stored as ferritin, or sent into portal hepatic circulation and carried by transferrin
to developing RBCs
transferrin plasma carrier protein for ferrous iron
-hepcidin is released from hepatocytes
high iron level regulation
-ferroportin is inactivated, leading to decreased iron being transported into circulation
-hepcidin is down regulated by hepatocytes
low iron level regulation
-ferroportin becomes activated and transports iron out of the enterocytes and into circulation
dietary iron sources red meat, legumes, dark leafy vegetables, whole grains
ferrous iron the form of iron that is able to be utilized in the body for developing red cells
prussian blue stain stain that is used to identify iron in tissues and bone marrow
a chart that is used to compare soluble transferrin
receptors/ log ferritin to hemoglobin concentration of
thomas plot
reticulocytes to identify the iron status of the patient
-iron status is used to correlate to certain diseases/ anemias
-asymptomatic
stage 1 iron deficiency (progressive loss of storage
-RBCs develop normally
iron)
-serum ferritin low
-subclinical symptoms
-hemoglobin in retics is decreased, hemogram appears normal still
-iron deficiency erythropoiesis is occurring
stage 2 iron deficiency (exhaustion of iron storage
-hepcidin decreased
pool)
-serum iron and ferritin decreased
-RDW, TIBC and sTRs increased
MMSC 433 exam 1
-prussian blue stain of BM is negative for iron
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