Which of the Following Describes a Situation in Which Demand

question 158

Multiple Choice

Which of the following describes a situation in which demand must be inelastic?

• A) The price of pens rises by 10 cents, and quantity of pens demanded falls by 50.
• B) The price of pens rises by 10 cents, and total revenue rises.
• C) A 20 percent increase in the price of pens leads to a 20 percent decrease in the quantity of pens demanded.
• D) Total revenue does not change when the price of pens rises.
• E) Total revenue decreases when the price of pens rises.

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Definitions:

Synaptic Vesicles

Membrane-bound sacs in neurons that store neurotransmitters which are released during synaptic transmission.

Synaptic Knob

The terminal button of a neuron that contains neurotransmitters and is involved in the transmission of signals to another neuron.

Receptor Sites

Three-dimensional proteins on the surface of the dendrites or certain cells of the muscles and glands, which are shaped to fit only certain neurotransmitters.

Resting Potential

The difference in electric charge between the inside and outside of a resting neuron's plasma membrane, critical for nerve impulse transmission.