Applying Tetrodotoxin to a Neuron Prevent Nerve Impulses from Firing

question 6

Multiple Choice

Applying tetrodotoxin to a neuron prevent nerve impulses from firing by:

• A) producing inhibitory postsynaptic potentials.
• B) destroying axon terminals.
• C) blocking sodium channels.
• D) preventing neurotransmitter reuptake.

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Definitions:

Ordinary Goods

In a consumer’s utility function, those for which additional units of one good are required to compensate for fewer units of another, and vice versa; and for which the consumer experiences a diminishing marginal rate of substitution when substituting one good in place of another.

Marginal Rate

The rate at which one variable changes over the change in another variable, often used in the context of taxes or marginal rate of substitution in economics.

Substitution

The economic concept whereby consumers replace costlier items with less expensive alternatives, or firms switch between inputs to minimize costs.

Indifference Curves

A graph showing different bundles of goods between which a consumer is indifferent, representing equal levels of utility.