Calcitriol is produced by which organ?

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Prepare for the VetSkill Level 3 Diploma VN03 - Principles of Veterinary Nursing Care 1 Test. Review essential topics with flashcards and multiple choice questions, complete with hints and detailed explanations. Ensure your success with focused study sessions!

Multiple Choice

Calcitriol is produced by which organ?

Explanation:
Calcitriol is the active form of vitamin D that helps regulate calcium and phosphate levels. It is produced mainly in the kidneys, where the enzyme 1-alpha-hydroxylase converts 25-hydroxyvitamin D (made in the liver) into 1,25-dihydroxyvitamin D, also known as calcitriol. The liver provides the precursor, but the final activation happens in the kidneys, a process stimulated by parathyroid hormone when calcium is low. Calcitriol then increases calcium absorption from the gut and supports calcium release from bone as needed. Therefore, the kidneys are the organ that produce calcitriol.

Calcitriol is the active form of vitamin D that helps regulate calcium and phosphate levels. It is produced mainly in the kidneys, where the enzyme 1-alpha-hydroxylase converts 25-hydroxyvitamin D (made in the liver) into 1,25-dihydroxyvitamin D, also known as calcitriol. The liver provides the precursor, but the final activation happens in the kidneys, a process stimulated by parathyroid hormone when calcium is low. Calcitriol then increases calcium absorption from the gut and supports calcium release from bone as needed. Therefore, the kidneys are the organ that produce calcitriol.

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