The functions regulated or influenced by thyroid glands in humans include all except:
1. | basal metabolic rate | 2. | erythropoeisis |
3. | water and electrolyte balance | 4. | sleep wakefulness cycle |
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Identify the incorrect statement regarding thyroid gland:
1. | The two lobes are connected by an isthmus |
2. | Iodine is essential for synthesis of T3 and T4 by thyroid |
3. | The follicles are lined by cuboidal epithelium |
4. | All hormones secreted by thyroid are iodothyronines |
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All the following regarding parathyroid glands are true except:
1. | They usually include four small glands. |
2. | They are embedded in the posterior surfaces of the lateral lobes of the thyroid gland. |
3. | They secrete parathyroid hormone and calcitonin. |
4. | They play a critical role in calcium homeostasis. |
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The peptide thyroid hormone that lowers calcium and phosphate ion concentration in the blood is:
1. thyroxine | 2. triiodothyronine |
3. calcitonin | 4. thyroid-stimulating hormone |
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1. | Calcium | 2. | Iron |
3. | Iodine | 4. | Zinc |
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1. | Calcium | 2. | Iron |
3. | Iodine | 4. | Nitrogen |
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