Test 2 - PARATHYROID Flashcards
1
Q
function of PTH
A
ionized calcium
decreased calcium concentration stimulates PTH production
2
Q
due to decreased vitamin d
cause: parathyroid adenoma
hypercalemia
decreased serium phosphorus
increased serum alkaline phosphatase
increases serum PTH
A
hyperparathyroidism
3
Q
cystic changes in bone due to osteoclastic resorption
“brown tumor”
A
osteitis fibrosa cystica
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
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
6
Q
A
