When Congestion Occurs on the Freeway (Because of a Shortage

question 14

Multiple Choice

When congestion occurs on the freeway (because of a shortage of freeway space) , an economist would most likely explain this by saying that it is because

• A)the freeway has too few miles of roadway.
• B)there are too many cars.
• C)the price of driving on the freeway is below the equilibrium price.
• D)the freeway has too many miles of roadway.

---

Definitions:

Cell Membrane

A partial-permeable barrier encasing the cell's cytoplasm, regulating the movement of materials into and from the cell.

Axons

are long, slender projections of nerve cells (neurons) that transmit electrical impulses away from the neuron’s cell body.

Voltage Dependent

Referring to a process or mechanism that is influenced or activated by changes in electrical potential across a membrane.

Action Potential

A sudden change in electrical charge across a cell membrane, resulting in a rapid signal that can travel along neurons.