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5. 正常血漿滲透 300 mOsm,如果將紅血球放到含有 200 mM NaCl 的溶液內,短期內紅血球的體積會產生何種變化?(A)變大 (B)變小 (C)不變 (D)無法判斷。
問題詳情
5. 正常血漿滲透 300 mOsm,如果將紅血球放到含有 200 mM NaCl 的溶液內,短期內紅血球的體積會產生何種變化?
(A)變大
(B)變小
(C)不變
(D)無法判斷。
參考答案
答案:B
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】評論
NaCl在水中解離成Na+ 及Cl- ,所以濃度是 400mM = 400mOsm 400>300→體積縮水
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