OS si calciu Flashcards by Alex Oprita | Brainscape

Q

PTH stimuleaza producerea de proteaze de catre osteoclaste

A

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Q

Crestere persistenta PTH = osteolitic, intermitenta = pro sinteza

A

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Q

PTH scade reabsorbtia HCO3 si a unor aa in TCP(rol minor)

A

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Q

Cresterea Ca intracelular si activarea PKC inhiba sinteza si secretia de PTH(prin receptoru pt Ca cuplat cu Gq si IP3)

A

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Q

Volumul glandei depinde de calcemie( in hipo, rahitism, sarcina, lactatie, boli renale cronice) si scade in hipercalcemie(administrare de Ca, vitamina D excesiv, sedendarism cu cresterea resorbtiei)

A

adev

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