Questions: What would happen to the calcium levels after thyroidectomy (removal of the thyroid gland)? - Calcium levels will go up. - Calcium levels are not affected by thyroidectomy. - Calcium levels will go down. - I DON'T KNOW YET

What would happen to the calcium levels after thyroidectomy (removal of the thyroid gland)? - Calcium levels will go up. - Calcium levels are not affected by thyroidectomy. - Calcium levels will go down. - I DON'T KNOW YET
Transcript text: What would happen to the calcium levels after thyroidectomy (removal of the thyroid gland)? Calcium levels will go up. Calcium levels are not affected by thyroidectomy. Calcium levels will go down. IDON'T KNOWYET
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Solution

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The answer is: Calcium levels will go down.

Explanation:

  • The thyroid gland itself does not directly regulate calcium levels; however, the parathyroid glands, which are located near or sometimes within the thyroid gland, play a crucial role in calcium regulation. These glands produce parathyroid hormone (PTH), which is essential for maintaining calcium homeostasis in the body.
  • During a thyroidectomy, there is a risk of inadvertently removing or damaging the parathyroid glands, which can lead to a decrease in PTH production. This decrease in PTH can result in hypocalcemia, or low calcium levels, because PTH is responsible for increasing blood calcium levels by stimulating calcium release from bones, increasing calcium absorption in the intestines, and reducing calcium excretion in the kidneys.
  • Therefore, after a thyroidectomy, if the parathyroid glands are affected, calcium levels are likely to go down.

Other options:

  • "Calcium levels will go up": This is incorrect because the removal or damage to the parathyroid glands would lead to decreased PTH and thus lower calcium levels, not higher.
  • "Calcium levels are not affected by thyroidectomy": This is incorrect because the parathyroid glands, which regulate calcium, can be affected during thyroidectomy, potentially leading to changes in calcium levels.
  • "IDON'T KNOWYET": This is not a valid answer choice in the context of the question.
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