Functions of Kidney -
- The kidneys release a number of important compounds, including:
- Erythropoietin: This controls erythropoiesis or the production of red blood cells. The liver also produces erythropoietin, but the kidneys are its main producers in adults.
- Renin: This helps manage the expansion of arteries and the volume of blood plasma, lymph, and interstitial fluid.
- Calcitriol: This is the hormonally active metabolite of vitamin D. It increases both the amount of calcium that the intestines can absorb and the reabsorption of phosphate in the kidney.
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Calcitriol: This is the hormonally active metabolite of vitamin
. It increases both the amount of calcium that the intestines can absorb and the reabsorption of phosphate in the kidney.
Hence the correct option is b. Calcitriol
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