Iodine Quiz

Let's see how well you know about IODINE!
* scroll down for answers

1) What is the RDA for iodine?
a. 150 mcg/day
b. 1500 mcg/day

2) What is the main function of iodine in human body?
a. Prevent heart diseases
b. Regulate thyroid hormone

3) Which of the following is the disease caused by iodine deficiency?
a. Hypertension
b. Goiter

4) Take excess of iodine cannot cause toxicity.
a. True
b. False

5) Iodine is a ......
a. metallic element
b. non-metallic element

6) What is cretinism?
a. A reversible growth retardation in infant cause by iodine deficiency.
b. An irreversible mental retardation in infant caused by iodine deficiency.

7)Which of the following is rich in iodine?
a. sea vegetables
b. tofu

8)Most of the iodine (~80%-90%)is excreted in...
a. urine
b. feces

9)Iodine increases metabolism, ie pulse rate, respiration, arterial pressure, quality of urine.
a. True
b. False

10) Iodized salt is available in all the countries.
a. True
b. False













Answers:
1. a 2.b 3.b 4.b 5.b 6.b 7.a 8.a 9.a 10.b

Recommended Dietary Allowances

An Iodine intake of 150 mcg/day has been suggested as sufficient for all adults and adolescents.
The RDA for pregnant and lactating women is increased to 25 mcg and 50 mcg respectively.
The RDA is 40 mcg for infants up to 6 months of age, and 50 mcg for older infants.
The RDA for children is between 70 and 120 mcg, increasing with age (or body size).

Food, Nutrition and Diet Therapy, Krause :Page 140

Kristin G.