#february2020usmle2ck
Which of the following is the active form of vitamin D?
A- 1-dihydroxycholecalciferol
B- 1,25-dihydroxycholecalciferol
C- 25-hydroxycholecalciferol
D- Cholecalciferol
Which of the following is the active form of vitamin D?
A- 1-dihydroxycholecalciferol
B- 1,25-dihydroxycholecalciferol
C- 25-hydroxycholecalciferol
D- Cholecalciferol