原发性甲状腺功能减退症最早出现异常的是A.血TSHB.血总TC.血游离TD.血总TE.血游离T
原发性甲状腺功能减退症最早出现异常的是
A.血TSH
B.血总T
C.血游离T
D.血总T
E.血游离T![](https://assets.51tk.com/images/a4036d27d4a2b8f8_img/8283fee83838070c.gif)
B.血总T
![](https://assets.51tk.com/images/a4036d27d4a2b8f8_img/314cdd91e1cbfa2a.gif)
C.血游离T
![](https://assets.51tk.com/images/a4036d27d4a2b8f8_img/a2f2e92039ef8971.gif)
D.血总T
![](https://assets.51tk.com/images/a4036d27d4a2b8f8_img/d82c7b988e4d9d8b.gif)
E.血游离T
![](https://assets.51tk.com/images/a4036d27d4a2b8f8_img/8283fee83838070c.gif)
参考解析
解析:血清TSH增高、TT
、FT
降低是诊断本病的必备指标。血清TSH在增高的基值上进一步增高,提示原发性甲减。TSH增高是原发性甲减最早表现。
![](https://assets.51tk.com/images/a4036d27d4a2b8f8_img/3fb939c628b039ca.gif)
![](https://assets.51tk.com/images/a4036d27d4a2b8f8_img/92385e5f28ef1bb6.gif)
相关考题:
单选题原发性甲状腺功能减退症最早出现异常的是()A血TSHB血总TC血游离TD血总TE血游离T