59.有關liotrix的藥理作用描述,下列何者錯誤?
(A)為L-thyroxine與liothyronine以10:1的比例組合而成的複合藥物
(B)具有治療甲狀腺功能低下症的藥理作用
(C)可以使用於懷孕婦女
(D)口服有效
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統計: A(195), B(5), C(98), D(30), E(0) #1385008
統計: A(195), B(5), C(98), D(30), E(0) #1385008
詳解 (共 3 筆)
#4040473
76.下列有關thyroid hormone之敘述,何者錯誤?
(A)liothyronine之藥效可維持2~3週
(B)levothyroxine之血漿蛋白結合率可達99%
(C)liotrix是T4與T3之鈉鹽以4:1之比例混合而成
(D)dextrothyroxine可用於降低血脂 .
#(A)為L-thyroxine與liothyronine以10:1的比例組合而成的複合藥物
Liothyronine:3個字母 -> T3 -> 短而強
Levothyroxine:4個字母 -> T4 -> 久而弱
(L-thyroxine)
72.下圖為甲狀腺素共同結構式,何者為L-thyroxine?
(A)R1 = R2 = R3 = R4 = I
(B)R1 = R2 = R3 = I; R4 = H
(C)R1 = H; R2 = R3 = R4 = I
(D)R1 = R3 = I; R2 = R4 = H
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