Endocrinology — Flashcards

Initially and transiently, PTH causes an increase in bone _____ by a direct action on osteoblasts

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

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

The levels of TBG and total thyroid hormone are _____ with pregnancy and oral contraceptive use

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.

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

In adipose tissue, insulin stimulates _____ and inhibits lipolysis