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Question
How is iodine important to our body?
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Solution
Iodine is the active ingredient in the production of thyroxin hormone. If there is insufficient quantity of iodine in food, the thyroxin hormone is not produced. As a result, thyroid gland increases in size which is Visible as a swelling in the neck. This condition is known as goitre.
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Short answer question
Which are the 2 types of goitre? What are its causes?
Match the items given in Column I with the most appropriate ones in Column II and rewrite the correct Matching pairs:
| Column I | Column II | ||
| (a) | Hyposecretion of Thyroxine in adults | 1. | Diabetes insipidus |
| (b) | Hyposecretion of Insulin | 2. | Myxedema |
| (c) | Hypersecretion of Growth Hormone in Childhood | 3. | Dwarfism |
| (d) | Hyposecretion of ADH | 4. | Gigantism |
| (e) | Hypersecretion of Thyroxine | 5. | Diabetes mellitus |
| 6. | Exophthalmic goitre | ||
| 7. | Cretinism | ||
Which hormone deficiency is responsible for the following?
Goitre
Name the mineral element required for the synthesis of thyroxine.
Identify the gland with the help of following clue:
A bilobed (butterfly-shaped) gland.
Identify label ‘X’ from the given diagram and name the cells, which regulate concentration of calcium and phosphorous in the blood and select the correct option given below.
