Iron

Question 1

What is haem iron known as

Answer 1

Ferrous

Question 2

What is non haem iron known as

Answer 2

Ferric

Question 3

What type of iron isn’t easily absorbed and must be turned into the other

Answer 3

Ferric must be changed to ferrous

Question 4

What are sources of haem iron

Answer 4

Red meat
Offal
Poultry
Meat products

Question 5

What are sources of non haem iron

Answer 5

Cereals
Pulses
Eggs
Green leafy veg

Question 6

What are the functions of iron

Answer 6

Make red blood cells and forms haemoglobin

Forms myoglobin which carries oxygen to muscles

Works with enzymes to release energy from food

Question 7

What are deficiency effects

Answer 7

Anaemia due to lack of red blood cells and haemoglobin - tiredness, paleness, dizziness

Muscle fatigue

Loss of energy

Question 8

What % of iron is absorbed

Answer 8

15

Question 9

What factors assist iron absorption

Answer 9

Eating haem and non haem together
Eating foods high in vit c as is changed non haem iron to haem
Hydrochloric acid in the stomach changed non haem to haem

Question 10

What factors hinder iron absorption

Answer 10

Tannins in tea and coffee bind to iron

Excess dietary fibre binds

Phytic acid

Oxalic acid