Which of the Following Is True of Calcitonin

question 30

Multiple Choice

Which of the following is true of calcitonin?

• A) Calcitonin is secreted in response to abnormally low levels of plasma calcium.
• B) Calcitonin does not affect intestinal and renal calcium absorption.
• C) Calcitonin is secreted by the parathyroid gland.
• D) Calcitonin directly stimulates bone resorption. Calcitonin does not affect intestinal and renal calcium absorption, and its action does not require vitamin

---

Definitions:

Perfectly Competitive Markets

Markets where there are many buyers and sellers, all products are identical, and no single buyer or seller can influence the market price.

Marginal Cost

The augmentation in complete cost associated with the production of an additional unit of a product or service.

Government Intervention

Actions taken by a government to affect the economy, which can include regulations, subsidies, taxes, and the provision of public goods.

Social Inefficiencies

Situations where resources are not allocated efficiently due to factors such as externalities, public goods, or market power, leading to a loss of social welfare.