Princeton Review Hyperlearning Bio Passage 37

[Padfoot]

Passage 37 is about experiments done to a squid axon. Question 5 asks "Each of the following conclusions can be drawn from the experiment except" and I circled B) The plasma membrane of an exon at rest is permeable to K+. I chose this answer because the experiment does not say anything about potassium leak channels. Am I missing something?

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[AwayFromReality]

From my understanding of the axons, there are always leak channels present. So even if the passage didn't mention anything about it, we can use outside knowledge to eliminate B (since the question is asking for the false statement).

PS: I don't have that book so I can't read the passage or the rest of the answer choices. But I'm assuming the passage tells us that the squid axon works just like a human axon.