Question 228 · LEK · Introduction
Which of the following statements are true about ferritin?
1) there is 1-1.5g of ferritin in all the body cells and fluids of an adult;
2) there is 2-3.5g of ferritin in all the body cells and fluids of an adult;
3) ferritin concentration of 1μg/l is equivalent to 8 mg of iron in iron stores;
4) ferritin concentration of 1μg/l is equivalent to 5 mg of iron in iron stores;
5) normal ferritin range in females is 30-200 μg/l, while in males 30-400 μg/l;
6) normal ferritin range in females is 30-400 μg/l, while in males 20-400 μg/l.
The correct answer is:
2) there is 2-3.5g of ferritin in all the body cells and fluids of an adult;
3) ferritin concentration of 1μg/l is equivalent to 8 mg of iron in iron stores;
4) ferritin concentration of 1μg/l is equivalent to 5 mg of iron in iron stores;
5) normal ferritin range in females is 30-200 μg/l, while in males 30-400 μg/l;
6) normal ferritin range in females is 30-400 μg/l, while in males 20-400 μg/l.
The correct answer is:
- A. 1,4,6.
- B. 1,3,6.
- C. 1,3,5.
- D. 2,3,6.
- E. 2,3,5.
Hint
Storage iron is roughly a quarter of total body iron; each µg/L of serum ferritin reflects several milligrams of stores, and women have lower values.
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