(A) Ricket and osteomalacia
(B) Tuberculosis of bone
(C) Hypthyroidism
(D) Skin cancer
Author:
Richest source of Vitamin D is?
(A) Fish liver oils
(B) Margarine
(C) Egg yolk
(D) Butter
A poor source of Vitamin D is?
(A) Egg
(B) Butter
(C) Milk
(D) Liver
The normal serum concentration of 24,25- dihydroxycholecalciferol in ng/ml is?
(A) 8–20
(B) 25–50
(C) 1–5
(D) 60–100
The normal serum concentration of 1,25- dihydroxycholecalciferol in pg/ml is?
(A) 26–65
(B) 1–5
(C) 5–20
(D) 80–100
The normal serum concentration of 25-hydroxycholecalciferol in ng/ml is?
(A) 0–8
(B) 60–100
(C) 100–150
(D) 8–55
The most potent Vitamin D metabolite is?
(A) 25-Hydroxycholecalciferol
(B) 1,25-Dihydroxycholecalciferol
(C) 24, 25-Dihydroxycholecalciferol
(D) 7-Dehydrocholesterol
Vitamin D absorption is increased in?
(A) Acid pH of intestine
(B) Alkaline pH of intestin
(C) Impaired fat absorption
(D) Contents of diet