Topic 9: Minerals

Question 1

what are the sources of calcium?

Answer 1

dairy products, leafy vegetables, cereals

Question 2

what are the functions of calcium?

Answer 2

Blood clotting, smooth muscle contractility, strong bones and teeth

Question 3

what does a deficiency of calcium cause?

Answer 3

osteoporosis, rickets, soft bones, poor teeth

Question 4

what are the sources of phosphorus?

Answer 4

all foods

Question 5

what are the functions of phosphorus?

Answer 5

Blood clotting, smooth muscle contractility, strong bones and teeth, works with CALCIUM

Question 6

what does a deficiency of phosphorus cause?

Answer 6

unknown

Question 7

what are the sources of iron?

Answer 7

Meat, poultry, fish, liver, dried fruit, cereals and flour

Question 8

what are the functions of iron?

Answer 8

Necessary for the production of haemoglobin or oxygen carrying red blood cells

Question 9

what are the two types of iron?

Answer 9

haem and non-haem

Question 10

what are the features of haem iron?

Answer 10

found in animal products
60% is absorbed, no matter what eaten with

Question 11

what are the features of non-haem iron?

Answer 11

found in plant and animal products
5-30% absorbed, depends what eaten with