IRON

Question 1

Functions of Iron:

Answer 1

• Function of immune system
• Formation ofHAEMOGLOBIN in RBC’s
• Energy metabolism

Question 2

Sources of Iron:

Answer 2

NON HAEM SOURCES = 
- Red kidney beans 
- Bread/cereals (fortified) 
- Potatoes 
- Oats 
HAEM SOURSES = 
- Eggs 
- Offal 
- Meat

Question 3

Excess of Iron:

Answer 3

• Iron is stored as FERRITIN
• Too much can cause SIDEROSIS (deposition of iron in the lung)
• Occurs in africa from cooking pots

Question 4

Deficiency of Iron:

Answer 4

• Brittle nails
• Fatigue
• Dizziness due to less haemoglobin to transport oxygen
• Pale skin
• IRON IS STORE IN LIVER/ SPLEEN/ BONE MARROW
• Iron deficiency anaemia
• Insufficient iron in blood stream = body uses bone marrow reserves
• When bone marrow reserves are low RBC’s do not form properly