In the Communication Link Between a Motor Neuron and a Skeletal

question 29

Multiple Choice

In the communication link between a motor neuron and a skeletal muscle,

• A)the motor neuron is considered the presynaptic cell and the skeletal muscle is the postsynaptic cell.
• B)the motor neuron is considered the postsynaptic cell and the skeletal muscle is the presynaptic cell.
• C)action potentials are possible on the motor neuron but not the skeletal muscle.
• D)action potentials are possible on the skeletal muscle but not the motor neuron.
• E)the motor neuron fires action potentials but the skeletal muscle is not electrochemically excitable.

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Definitions:

Complements

Goods or services that are used together, where the use of one increases the demand for the other.

Income Elasticity of Demand

A measure of how much the quantity demanded of a good responds to a change in consumers' income, holding all other factors constant.

Inferior Good

An inferior good is a type of good whose demand decreases when consumer income rises, unlike normal goods, where demand increases with rising consumer income.

Normal Good

A type of good for which demand increases when income increases, and vice versa, displaying a positive correlation between income and demand.