02 IRON KINETICS + laboratory assessment Flashcards
A protein of hepatic origin that inhibits ferroportin from transporting iron out of the enterocyte
Hepcidin
All cells except ___ can store iron
mature RBC
1 ferritin is equal to ___ iron ion reserve
4000
A partially degraded ferritin that is less metabolically active and available than ferritin
Hemosiderin
An indicator of available transport iron
Serum Iron
Serum iron levels ___ (increase/decrease) in the morning
increase
Serum iron levels ___ (increase/decrease) after recent ingestion of iron containing food
increase
Measurement of transferrin level
Total binding iron capacity
Total iron binding capacity is ___ proportional to the intracellular iron
inversely
An indirect indicator of transport iron and transferrin level
% transferrin saturation
% transferrin saturation is ___ proportional to serum iron
directly
___ of transferrin is saturated of iron
1/3
Formula for % transferrin saturation
SI/TIBC x 100
An indicator of iron storage
Ferritin
Inflammation causes a falsely ___ ferritin
elevated