Endocrinology — Flashcards

In bone, 1,25-(OH)2 D3 acts syngergistically with PTH to stimulate _____ activity and bone resorption

Obesity _____ the conversion of T4 to T3, thus increasing the amount of active hormone

In adipose tissue, insulin stimulates _____ and inhibits lipolysis

In bone, the long-term effect of PTH is bone _____ via indirect action on osteoclasts

The parathyroid glands have _____ receptors that negatively regulate secretion of PTH

One role of TSH on the thyroid gland is to increase both _____ and secretion of thyroid hormones by the follicular cells

The actions of PTH are coordinated to produce an increase in serum _____ and a decrease in serum phosphate (PO43-)

The _____ cells of the islets of Langerhans compose 10% of the islet and secrete somatostatin

The overall effect of PTH on bone is to promote bone _____, which delivers both Ca2+ and phosphate to extracellular fluid

Estrogen deficiency leads to increased cycles of _____, increasing risk of osteoporosis.