What Keeps a Nerve Action Potential from Flowing "Backward" in a Neuron

question 36

Multiple Choice

What keeps a nerve action potential from flowing "backward" in a neuron?

• A)Schwann cells keep action potentials flowing one direction
• B)Sodium ions can only move toward a synapse
• C)Chemical synapse receptors form a one-way gate and there is a refractory period after sodium ions are pumped back out
• D)The axon and dendrite have completely different membrane structures
• E)All of the choices are correct

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Definitions:

Normal Good

A type of good for which demand increases as the income of consumers increases, reflecting a direct relationship between income and demand.

Complements

Goods or services that are used together, where the use or consumption of one enhances the value or demand of the other.

Inferior Good

An inferior good is a type of product that sees an increase in demand as consumers’ income decreases, contrary to what is observed with normal goods.

Complement

A good or service that, when used together with another, enhances mutual use and utility, often impacting demand in correlated ways.