How Long Will It Take for an Action Potential to Reach

question 33

Multiple Choice

How long will it take for an action potential to reach the spinal cord if a receptor neuron's skin receptors were in the toe? Assume that action potentials travel at a rate of 80 m/s and that the distance to be travelled is 0.6 m.

• A) 0.5 milliseconds
• B) 1 millisecond
• C) 7.5 milliseconds
• D) 15 milliseconds
• E) 48 milliseconds

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