hce_kmu
108年
普通生物及生化概論
第 50 題
The high osmolarity of the renal medulla is maintained by all of the following except ________.
- A diffusion of salt from the ascending limb of the loop of Henle
- B active transport of salt from the upper region of the ascending limb
- C the spatial arrangement of juxtamedullary nephrons
- D diffusion of urea from the collecting duct
- E diffusion of salt from the descending limb of the loop of Henle
思路引導 VIP
請觀察這五個選項，試著將它們分類：哪些選項是在描述離子或分子進出管壁的「動態搬運過程」？而哪一個選項是在描述腎元本身在腎臟裡的「位置或佈局」呢？試著思考，在定義「維持功能的方法」時，哪一個選項聽起來更像是一個「靜態的背景條件」而非「動態的機制」？