[申覆] 醫學二 (4)
4 某陽離子在細胞外之濃度遠高於其在細胞內之濃度,當一神經細胞之細胞膜對此陽離
子之通透度遠大於對其他離子之通透度時,細胞膜電位最可能為何?
(A)零
(B)負電位
(C)正電位
(D)無法判斷
答案: C
建議答案: A或B或C或D
這題我是跟某間補習班答案一樣選D啦
我是覺得如果說該假想細胞有耗能幫浦參與維持膜電位
那是正是負就不一定了 甚至可以0
不過這樣好難寫申覆阿Orz
有強者可以幫忙凹的嗎
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