Question

Parathormone influences calcium absorption in the small intestine by regulating the metabolism of

• A. vitamin- $C$
• B. vitamin- $D$
• C. vitamin- $B_{6}$
• D. enterogasterone

Answer 1

Answer: (B)

vitamin- $D$

Answer 2

Parathormone regulates the amount of calcium and phosphorus in the blood stream and controls the movement of calcium from the bones into the blood stream. Parathormone promotes the active metabolism of vitamin-$D$ in the kidneys, aiding in the absorption of calcium. Parathormone and vitamin-$D$ are the bod/s principal regulators of calcium and phosphorus balance. Without sufficient vitamin-$D$, the effects, of parathormone are decreased.