By the Early 1930s, the Increase in Life Expectancy and the Accompanying

question 92

Multiple Choice

By the early 1930s, the increase in life expectancy and the accompanying increase in the number of elderly Americans caused which of the following to occur?

• A) The federal government established a national program of old-age insurance.
• B) State governments began to provide assistance to the needy elderly.
• C) Most corporations began offering retirement plans to their employees.
• D) The federal government established a comprehensive retirement plan for federal employees.

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Definitions:

Axon

A long, slender projection of a nerve cell, or neuron, that conducts electrical impulses away from the neuron's cell body to other neurons, muscles, or glands.

Local Potential

Small changes in membrane potential that are localized and can lead to the generation of an action potential if threshold is reached.

Resting Membrane Potential

The electrical charge difference across the cell membrane when the cell is not conducting electrical signals, maintaining a negative charge inside relative to the outside.

Plasma Membrane

The biological membrane that separates the interior of all cells from the outside environment, controlling the passage of substances in and out of cells.