Use the Following to Answer Questions

question 208

Multiple Choice

Use the following to answer questions:
Figure: Price and Quantity 3
-(Figure: Price and Quantity 3) At a quantity of 80 units in the figure, it cost sellers ______ to produce the last unit, but buyers value this last unit at ______.

• A) $80; $50
• B) $50; $20
• C) $20; $80
• D) $80; $20

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Definitions:

Diastole

The stage of the cardiac cycle during which the heart muscle unwinds and the chambers are permitted to be replenished with blood.

Systole

The phase of the heartbeat during which the heart contracts and pumps blood from the chambers into the arteries.

ECG

Electrocardiogram, a test that measures the electrical activity of the heart to show whether or not it is working normally.

Electrical Events

Activities or processes in the body that involve the flow or movement of electrical charges, such as nerve impulses and muscle contractions.