Parathyroid Gland and Hormone Quiz
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Parathyroid Gland and Hormone Quiz

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@VerifiableCobalt

Questions and Answers

What is the primary role of Parathyroid hormone (PTH)?

Preserving calcium within normal range

Which disorder is characterized by the presence of a functioning parathyroid adenoma and phosphaturia?

Primary hyperparathyroidism

What is a common cause of secondary hyperparathyroidism?

Decreased serum calcium

In hypoparathyroidism, what is a common post-surgical cause that leads to accidental injury to the parathyroid glands?

<p>Autoimmune parathyroid destruction</p> Signup and view all the answers

What is a common laboratory result associated with primary hyperparathyroidism?

<p>Hypercalcemia</p> Signup and view all the answers

How does Parathyroid hormone indirectly stimulate intestinal absorption of calcium?

<p>By stimulating conversion of inactive Vitamin D to activated Vitamin D3</p> Signup and view all the answers

What is the primary role of Parathyroid hormone (PTH)?

<p>Preserves calcium and phosphate within normal range</p> Signup and view all the answers

What is the main cause of primary hyperparathyroidism leading to hypercalcemia?

<p>Presence of a functioning parathyroid adenoma</p> Signup and view all the answers

Which of the following is a characteristic of secondary hyperparathyroidism?

<p>Diffused hyperplasia of all 4 parathyroid glands</p> Signup and view all the answers

What is the primary effect of Parathyroid hormone on bone?

<p>Increases bone resorption</p> Signup and view all the answers

What is a common laboratory result associated with tertiary hyperparathyroidism?

<p>Calcium phosphates precipitate in soft tissues</p> Signup and view all the answers

In hypoparathyroidism, what does a patient often become dependent on for calcium supplementation?

<p>Vitamin D injections</p> Signup and view all the answers

What is a key feature of secondary hyperparathyroidism?

<p>Decreased serum calcium response</p> Signup and view all the answers

What happens to phosphates in cases of tertiary hyperparathyroidism?

<p>Precipitate in soft tissues</p> Signup and view all the answers

What result would be expected in primary hyperparathyroidism when checking ionized calcium levels?

<p>Increased levels</p> Signup and view all the answers

What is the consequence of undetected primary hyperparathyroidism?

<p>Severe demineralization that may lead to osteitis fibrosa cystica</p> Signup and view all the answers

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