Describing a Physiological Variable as "Homeostatic" Means That It

question 56

Multiple Choice

Describing a physiological variable as "homeostatic" means that it

• A)has varied from the normal value,and will remain constant at the new value.
• B)never varies from an exact set point value.
• C)is in an equilibrium state that requires no energy input to stay at the normal value.
• D)is in a state of dynamic constancy that is regulated to remain near a stable set point value.
• E)has no normal range,but will just change to match the outside environmental conditions. 

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Definitions:

Producer Surplus

The difference between what producers are willing to accept for a product versus what they actually receive in the market.

Marginal Benefit

The increased benefit or value received from the consumption or creation of one more unit of a good or service.

Marginal Cost

The investment required to manufacture an additional unit of a product or service.

Nonrivalry

The idea that one person’s benefit from a certain good does not reduce the benefit available to others; a characteristic of a public good.