Iron studies

Question 1

Iron Studies

Answer 1

May include iron level (serum iron), TIBC (Total Iron Binding Capacity), transferrin, transferrin saturation, & ferritin

Question 2

Ferritin usually is ordered

Answer 2

separately

Question 3

common lab order is

Answer 3

“Fe & TIBC”, Ferritin

Question 4

Iron studies can be ordered

Answer 4

separately or grouped

Question 5

Abnormal iron levels associated with

Answer 5

iron deficiency anemia, hemochromatosis, other conditions

Question 6

70% of the body’s iron is found in

Answer 6

the hemoglobin of RBCs

~30% is stored as ferritin & hemosiderin

Question 7

Iron supplied in the diet

Answer 7

about 10% of ingested iron is absorbed by the small intestine & transported to the plasma

Question 8

In plasma, iron is bound to

Answer 8

transferrin (a protein) & carried to the bone marrow to be incorporated into hemoglobin

Question 9

Serum iron (iron level) is the measurement of

Answer 9

the quantity of iron bound to transferrin

Question 10

negative acute-phase reactant protein

Answer 10

transferrin
In various acute inflammatory reactions, levels decrease
May also be decreased with chronic illness & liver disease (transferrin produced in liver)