VMD-0022
QUESTION
The “antirachitic factor” is?
OPTIONS
(A) Vitamin A
(B) Vitamin D
(C) Vitamin C
(D) Vitamin B
ANSWER
(B) Vitamin D
EXPLANATION
Vitamin D is known as the antirachitic factor because it promotes calcium and phosphorus homeostasis and normal mineralization of bone; deficiency leads to rickets in young animals. Vitamins A, C, and B have important functions but do not serve as the principal antirachitic vitamin.
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