Test 2 - PARATHYROID Flashcards

1
Q

function of PTH

A

ionized calcium

decreased calcium concentration stimulates PTH production

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2
Q

due to decreased vitamin d

cause: parathyroid adenoma

hypercalemia

decreased serium phosphorus

increased serum alkaline phosphatase

increases serum PTH

A

hyperparathyroidism

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3
Q

cystic changes in bone due to osteoclastic resorption

“brown tumor”

A

osteitis fibrosa cystica

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4
Q

compensatory parathyroid hyperplasia occurs in response to decreased concentration of serum ionized calcium

most common cause is hypocalcemia of chronic renal dz

A

secondary hyperparathyroidism

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5
Q

most common cause is accidental surgical excision

chvostek sign - tap facial nerve

trousseau sign - arm cutt off with hand carpal spasm

A

hypoparathyoidism

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6
Q
A
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