Question 1

With regard to the resting membrane potential:

Select true or false for each option, then select Submit.

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A. False. The inside is negative relative to the exterior.

B. True. Its magnitude varies depending on the tissue, but typically is set around -70 mV in nerves.

C. True. Consequently it is said to have a coupling ratio of 3/2.

D. False. K⁺ channels create a constant efflux of K⁺.

E. False. This is the average for all cells in the body. In neural tissue it accounts for 70%.

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