During the Rising Phase of the Action Potential

question 79

Multiple Choice

During the rising phase of the action potential:

• A) P_K+ is much greater than P_Na+.
• B) P_Na+ is much greater than P_K+.
• C) P_K+ is the same as P Na⁺.
• D) Na⁺ efflux occurs.
• E) P_Na+ is much greater than P_K+, and Na⁺ efflux occurs.

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Definitions:

80/20 Rule

A principle suggesting that 80% of effects come from 20% of causes, often used in business and economics to focus efforts on the most productive inputs.

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