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Questions and Answers
Where is iron stored as ferritin in the body?
Where is iron stored as ferritin in the body?
- Monocyte-macrophage cells
- Hemosiderin
- In plasma as transferrin
- Intestinal epithelium (correct)
What is the molecular structure of hemosiderin?
What is the molecular structure of hemosiderin?
- Ferritin, denatured ferritin, and other materials (correct)
- Ferritin only
- Denatured ferritin only
- Ferritin and denatured ferritin
Why is the iron present in hemosiderin not readily available to the cell?
Why is the iron present in hemosiderin not readily available to the cell?
- Hemosiderin has a well-defined molecular structure
- Hemosiderin lacks iron
- Iron is trapped inside red blood cells
- Iron in hemosiderin cannot supply iron to the cell when needed (correct)
How is iron mainly stored for the formation of new hemoglobin?
How is iron mainly stored for the formation of new hemoglobin?
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What is the daily loss of iron for a woman due to menstrual cycle loss?
What is the daily loss of iron for a woman due to menstrual cycle loss?
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How do erythroid progenitors obtain iron for hemoglobin synthesis?
How do erythroid progenitors obtain iron for hemoglobin synthesis?
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Where is iron absorbed from the intestine stored?
Where is iron absorbed from the intestine stored?
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What role does transferrin play in iron transport?
What role does transferrin play in iron transport?
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Which cells are responsible for ingesting released hemoglobin Mawa?
Which cells are responsible for ingesting released hemoglobin Mawa?
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What happens to additional quantities of iron when bleeding occurs?
What happens to additional quantities of iron when bleeding occurs?
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