A Pedestrian Narrowly Avoids Being Hit by an Oncoming Car

question 70

Multiple Choice

A pedestrian narrowly avoids being hit by an oncoming car. He notices that it takes a little while for hisheart rate and respiratory rate to return to normal. This is likely because

• A) the parasympathetic nervous system has become activated.
• B) sympathetic activation of the adrenal medulla has released epinephrine and norepinephrine into the bloodstream.
• C) the splanchnic nerves have become activated.
• D) somatic motor neurons have increased the heart and respiratory rate.
• E) the corticospinal pathway has become activated.

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Definitions:

Fixed Capital

Assets and investments in physical goods such as buildings and machinery that are not consumed in the production process.

Variable Labor

Labor costs that vary directly with the level of production or business activity.

Average Cost

The total cost divided by the number of units produced, indicating the cost per unit of output.

Marginal Cost

The increase in total cost that arises from an extra unit of production, pivotal for decision-making in production processes.