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Physiology-Thy/Para
Physiology-Thyroid/Parathyroid Glands-WVSOM Class of 2012
Question | Answer |
---|---|
what do type 1 and type 2 deiodinases do? | turn t4 to t3 |
where is type 1 deiodinase found? | liver and kidneys |
T4 and T3 circulate are primarily bound to what globule? | thyroxine binding globule |
how does tsh inhibit gene expression? | EGF receptor, Myosin heavy chain β, TSH α & β, TRH, type 2 deiodinase |
what is unique about parathyroid hormone's response to calcium? | an increase in [Ca]i does not lead to exocytosis |
what are effects of pth on kidney? | decrease phos absorption, increase ca resorption, absorption of ca in intestine |
what does vitamin d do to pth? | inhibits |
how does pth increase calcium in bone? | stimulates osteoblasts to become osteoclasts |