Blood for iron studies: a. Should be drawn fasting in the ...

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Blood for iron studies:
 
  a. Should be drawn fasting in the morning
  b. Should be drawn following a standard meal rich in iron
  c. May be drawn at any time of the day
  d. Should be drawn in the morning with no fasting necessary

Question 2

Chronic blood loss leads to:
 
  a. Iron deficiency anemia
  b. ACI
  c. Megaloblastic anemia
  d. Hemolytic anemia

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Answer to Question 1

ANS: A
Iron exhibits a diurnal variation, with levels dropping during the day; therefore it should be drawn early in the morning. Iron absorbed from a meal can falsely elevate serum iron, so a fasting specimen should be drawn.

Answer to Question 2

ANS: A
Chronic loss of blood leads to loss of red cells and their iron content. Iron is conserved and recycled very tightly in the body. To maintain normal stores it requires that only the normal amount be lost on a daily basis. Gradually iron stores will be depleted and iron deficiency will develop.

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