Which is the most abundant circulating form of vitamin D and the commonly used index for assessing vitamin D status? ()
A: 25-(OH)D
B: Vitamin D3
C: Vitamin D2
D: 1,25-(OH)2D
E: all above
A: 25-(OH)D
B: Vitamin D3
C: Vitamin D2
D: 1,25-(OH)2D
E: all above
举一反三
- Which is the most abundant circulating form of vitamin D and the<br/>commonly used index for assessing vitamin D status? () A: 25-(OH)D B: Vitamin<br/>D3 C: Vitamin<br/>D2 D: 1,25-(OH)2D E: 1,25-(OH)2D3
- 维生素D3的活性代谢物为() A: 维生素D2 B: 1,25-二羟基D2 C: 25-(OH)D3 D: 1,25-(OH)2 D3
- 维生素D本身不具有生物活性,在体内形成的活性维生素D是 A: 1α-(OH)维生索D3 B: 1α,25-(OH)2维生素D3 C: 25-(OH)维生素D3 D: 25-(OH)维生素D2 E: 1α-(OH)维生素D2
- 下列维生素D中活性最强的是() A: 维生素D2 B: 维生素D3 C: 25-(OH)D D: 1,25-(OH)2D E: 24,25-(OH)2D
- 维生素D在体内的生理活性形式形式是 ( ) A: 维生素D3 B: 25-(OH)D3 C: 25-(OH)2D3 D: 维生素D2 E: 1,25-(OH)2D3