Iodine

Question 1

what are its three functions? Iodine

Answer 1

 Thyroid hormones

 Regulates body temperature, metabolism  Reproduction and growth

Question 2

what are the three details of its function in thyroid hormones? Iodine

Answer 2

 Increase:

• BMR
• O2 used
• Energy release from glucose & fatty acids

Question 3

what are the two deficiency symptoms? Iodine

Answer 3

Hypothyroidism, Goiter

Question 4

what is goiter? Iodine

Answer 4

enlarged thyroid gland, deficiency symptom

Question 5

what are the two things that happen in children with Hypothyroidism and what is it? Iodine

Answer 5

Cretinism: mental retardation, stunted growth; deficiency symptom

Question 6

what are the five things that happen with mild Hypothyroidism in adults and what is it? Iodine

Answer 6

mild: decreased body temperature, cold

intolerance, weight gain, fatigue, sluggishness; deficiency symptom

Question 7

what are the five things that happen with severe Hypothyroidism in adults and what is it? Iodine

Answer 7

myxedema: husky voice, low BMR; deficiency symptom

Question 8

what is Cretinism and what are the two things that happen if you have it? Iodine

Answer 8

the deficiency symptom in children that have Hypothyroidism; mental retardation, stunted growth

Question 9

what is myxedema and what are the two things that happen if you have it? Iodine

Answer 9

the deficiency symptom in adults that have severe Hypothyroidism; husky voice, low BMR

Question 10

what the DRI? Iodine

Answer 10

150 μg

Question 11

what is the toxicity disease? Iodine

Answer 11

Hyperthyroidism (Graves’ disease)

Question 12

what are the five things that happen in the toxicity disease of Hyperthyroidism (Graves’ disease)? Iodine

Answer 12

 Increased BMR up
to 100%  Nervousness  Increased appetite
and weight loss  Racing heartbeat  Protruding eyeballs

Question 13

what are the three main food sources? Iodine

Answer 13

saltwater fish, iodized salt, bakery goods