iron

Question 1

identify and describe the factors that affect the absorption of iron in the body(1)

Answer 1

consuming ham iron and non haem iron together increases non haem iron absoption

Question 2

identify and describe the factors that affect the absorption of iron in the body(2)

Answer 2

consuming food high in vitamin C with non haem iron chemically changes non haem iron to the more easily absorbed haem iron

Question 3

identify and describe the factors that affect the absorption of iron in the body(3)

Answer 3

acidity from hydrochloric acid(HCL) in the stomach chemically changes non haem iron to there more easily absorbed haem iron

Question 4

meats makes an important contribution to the intake of micronutrients such as iron. give an account of iron- sources in the diet

Answer 4

haem iron - red meat, offal, poultry(chicken)
non haem iron - creels, eggs, leafy green vegetables(spinach)

Question 5

meats makes an important contribution to the intake of micronutrients such as iron. give an account of iron-biological functions(1)

Answer 5

makes red blood cells and forms haemoglobin, a red protein pigment found in red blood cells responsible for carrying oxygen around the body

Question 6

meats makes an important contribution to the intake of micronutrients such as iron. give an account of iron-biological function(2)

Answer 6

forms part of myoglobin, which carries oxygen to the muscles for energy

Question 7

meats makes an important contribution to the intake of micronutrients such as iron. give an account of iron-biological functions(3)

Answer 7

works with enzymes to release energy from food

Question 8

meats makes an important contribution to the intake of micronutrients such as iron. give an account of iron-RDA for adults

Answer 8

male-10mg
female-14mg
pregnancy/lactation-15mg

Question 9

explain the term haem iron and give one food source

Answer 9

-easily absorbed by the body
-red meat

Question 10

explain the term non haem iron and give one food source

Answer 10

-not easily absorbed by the Boyd,must be changed into ferrous iron to be easily absorbed
-cereals