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| Q. |
Goitre is caused by the deficiency of - |
| A. | Iodine |
| B. | Chlorine |
| C. | Sodium |
| D. | Calcium |
| Answer» A. Iodine | |
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Explanation: A goitre or goiter is a swelling of the thyroid gland, which can lead to a swelling of the neck or larynx. (voice box). Goitre is a term that refers to an enlargement of the thyroid (thyromegaly) and can be associated with a thyroid gland that is functioning properly or not. Worldwide, the most common cause for goitre is iodine deficiency, usually seen in countries that do not use iodized salt. Selenium deficiency is also considered a contributing factor. In countries that use iodized salt, Hashimoto's thyroiditis is the most common cause. |
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