Why Is It Not Normally Possible for Action Potentials in the Postsynaptic

question 40

Multiple Choice

Why is it not normally possible for action potentials in the postsynaptic neuron to produce an action potential in the presynaptic neuron?

• A) because the axon terminals of presynaptic neurons have no acetylcholine receptors
• B) because the presynaptic neurons do not have a resting membrane potential
• C) because the synaptic cleft allows the diffusion of acetylcholine in one direction only
• D) because the synaptic vesicles in the postsynaptic terminal are inactive
• E) both because the presynaptic neurons do not have a resting membrane potential and because the synaptic cleft allows the diffusion of acetylcholine in one direction only

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Definitions:

Lower Total Costs

Achieving a reduction in the aggregate amount of expenditures necessary for production or provision of services.

Price Discrimination

The strategy of selling the same product to different customers at different prices, based on their willingness to pay.

Deadweight Loss

Deadweight Loss is the loss of economic efficiency that occurs when the equilibrium for a good or service is not achieved, often due to market distortions like taxes or subsidies.

Single-Price Monopolist

A monopolist that charges all consumers the same price for its product or service.