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The resting membrane potential of a neuron is measured at about:
A-30 mV
B+30 mV
C+70 mV
D-70 mV
Answer & Solution
Correct answer: D. -70 mV
1. The inside is negative relative to the outside.
2. The steady state value is well known.
3. It is about -70 millivolts.
_Source: OpenStax Anatomy and Physiology 2e, Chapter 12, The Nervous System and Nervous Tissue._
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