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Questions and Answers
What is the primary function of parathyroid hormone (PTH)?
What is the primary function of parathyroid hormone (PTH)?
- To enhance bone mineralization
- To regulate calcium ion levels in the bloodstream (correct)
- To decrease blood pressure
- To stimulate thyroid hormone production
What are the consequences of parathyroid hormone deficiency?
What are the consequences of parathyroid hormone deficiency?
- Painful muscle cramps (correct)
- Increased bone density
- Heightened energy levels
- Enhanced muscle relaxation
What occurs as a result of excessive secretion of parathyroid hormone?
What occurs as a result of excessive secretion of parathyroid hormone?
- Higher calcium retention in the kidneys
- Calcium is deposited into bones
- Soft and spongy bones (correct)
- Increased muscle strength
Where are the parathyroid glands located?
Where are the parathyroid glands located?
Which of the following best describes parathormone?
Which of the following best describes parathormone?
What is the effect of parathyroid hormone on calcium levels in the bloodstream?
What is the effect of parathyroid hormone on calcium levels in the bloodstream?
Which of the following conditions is associated with a deficiency of parathyroid hormone?
Which of the following conditions is associated with a deficiency of parathyroid hormone?
What structural change occurs in bones as a result of prolonged parathyroid hormone over-secretion?
What structural change occurs in bones as a result of prolonged parathyroid hormone over-secretion?
Which statement accurately reflects the role of parathyroid glands?
Which statement accurately reflects the role of parathyroid glands?
In relation to parathyroid hormone, which statement is incorrect?
In relation to parathyroid hormone, which statement is incorrect?
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Study Notes
Parathyroid Glands and Hormone Function
- Four parathyroid glands are located on the posterior side of the thyroid glands.
- These glands secrete parathyroid hormone (PTH), also known as parathormone.
Regulation of Calcium Ions
- PTH plays a critical role in regulating calcium ion (Ca²⁺) levels in the bloodstream.
Effects of PTH Deficiency
- A deficiency in PTH can lead to painful muscle cramps, indicating low calcium levels.
Effects of PTH Overproduction
- Over-secretion of PTH results in excessive calcium being removed from the bones.
- This condition can make bones soft and spongy, increasing the risk of fractures and deformities.
Parathyroid Glands and Hormone Function
- Four parathyroid glands are located on the posterior side of the thyroid glands.
- These glands secrete parathyroid hormone (PTH), also known as parathormone.
Regulation of Calcium Ions
- PTH plays a critical role in regulating calcium ion (Ca²⁺) levels in the bloodstream.
Effects of PTH Deficiency
- A deficiency in PTH can lead to painful muscle cramps, indicating low calcium levels.
Effects of PTH Overproduction
- Over-secretion of PTH results in excessive calcium being removed from the bones.
- This condition can make bones soft and spongy, increasing the risk of fractures and deformities.
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