Iodine

Question 1

What are the sources of iodine

5

Answer 1

Seafood 
Seaweed e.g. nori
Cod liver oil 
Meat 
Milk

Question 2

What is the RDA for iodine?

Answer 2

120 to 130 micrograms

Question 3

List the functions of iodine

3

Answer 3

Regulates metabolism

Normal growth and development

Maintains the thyroid gland

Question 4

Iodine is needed to regulate metabolism, describe this function

Answer 4

Iodine aids the manufacture of the hormone thyroxine in the thyroid glans, which regulates metabolism

Question 5

Iodine is needed for normal growth and development, describe this function

Answer 5

Essential for normal growth and development during gestation and childhood

Question 6

Iodine is needed to maintain the thyroid gland, describe this function

Answer 6

Iodine maintains the thyroid gland which prevents swelling and breathing difficulties

Question 7

List the effects of an iodine deficiency

Answer 7

Reduced basal metabolic rate

Cretinism

Goitre

Question 8

A lack of iodine results in a reduced basal metabolic rate, describe this deficiency

Answer 8

Reduced basal metabolic rate which increases the risk of obesity due to a lack of thyroxine

Question 9

A lack of iodine results in cretinism, describe this deficiency

Answer 9

This results in a stunted or delayed physical or mental growth in children

Question 10

A lack of iodine results in goitre, describe this deficiency

Answer 10

Goitre is the abnormal enlargement of the thyroid gland in the neck which can cause difficulty breathing