CC 2 LAB-PARATHYROID GLAND

It is located on or near the thyroid capsule (region of the thyroid gland); sometimes within the thyroid gland

It may also be found outside their normal anatomic site – between the hyoid in the neck and mediastinum

Is the smallest endocrine gland in the body

TRUE or FALSE

Humans can only have 4 parathyroid glands

Answer explanation

Most people have 4 parathyroid glands but some have 8 or as few as two

The primary role of PTH is to prevent

• hypocalcemia

• hypomagnesemia

• hypokalemia

• hyponatremia

PTH promotes bone __________

PTH ____ stimulates intestinal absorption of calcium

• Directly

• Indirectly

It is the most common cause of hypercalcemia

It is due to the presence of a functioning parathyroid adenoma

• Primary hyperparathyroidism

• Secondary hyperparathyroidism

• Tertiary hyperparathyroidism

• Hypoparathyroidism

It is accompanied with phosphaturia

If it goes undetected, severe demineralization may occur

• Primary hyperparathyroidism

• Secondary hyperparathyroidism

• Tertiary hyperparathyroidism

• Hypoparathyroidism

Lab results: ↑PTH or high normal, ↑ionized calcium, hypercalciuria, hypophosphatemia

• Primary hyperparathyroidism

• Secondary hyperparathyroidism

• Tertiary hyperparathyroidism

• Hypoparathyroidism