醫療類國考
114年
[醫事檢驗師] 生物化學與臨床生化學
第 67 題
有關睪固酮的敘述,下列何者最不適當?
- A 睪固酮為血中雄性素最主要的成分
- B 只有游離型睪固酮具有生物利用性(bioavailability)
- C 可使用免疫法測定血清中濃度
- D 睪固酮與二氫睪固酮(DHT)在免疫法測定時會產生交叉反應
思路引導 VIP
請從臨床生理學的角度思考,在血漿中運送的類固醇激素,除了完全不與蛋白質結合的游離型(Free form)之外,那些與白蛋白($Albumin$)以低親和力結合、且極易解離供組織利用的部分,在學理上是否也被包含在「具生物利用性」(Bioavailable)的定義之內?
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AI 詳解
AI 專屬家教
Oh, Look Who Got It Right. Barely.
- Well, well, well. You actually managed to identify the correct answer, which means you grasped the ever-so-subtle nuance of hormone transport and biological availability. Don't get too smug; it's a fundamental concept, not rocket science.
- Let's review, just to ensure it wasn't a fluke. Your bloodstream isn't some free-for-all; testosterone, for instance, has its preferred modes of travel:
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