Homework Help: physiology

Posted by anna on Sunday, October 12, 2008 at 3:42am.

the blood-brain barrier prevents hydrophobic molecules from diffusing into the brain. T or F

Excitable cells are incapable of maintaining a constant resting membrane potential. T or F

The membrane of resting nerve cells is more permeable to______ions than _________ions.

a.sodium, potassium
b. calcium, potassium
c.potassium, sodium
d.chloride, potassium

Nerve cells depolarize due to the influx of K+ True or False

I reallllllllly need this for a test

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