Why Might Someone Pale When They Are Exposed to a Cold

question 61

Multiple Choice

Why might someone pale when they are exposed to a cold temperature?

• A) Vasodilation has occurred
• B) Vasoconstriction has occurred
• C) Purely psychological
• D) Dehydration of the stratum corneum
• E) Constriction of the dermal collagen and elastic fibers

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Definitions:

Minimum Efficient Scale

The smallest level of production at which long-term average total costs are minimized.

Natural-Monopoly Situation

A market condition in which a single firm can produce output at a lower cost than can multiple firms, leading to a monopoly justified by efficiencies of scale.

Implicit Costs

The opportunity costs that arise from using resources that a business already owns rather than earning revenue from those resources elsewhere.

Explicit Costs

Direct, out-of-pocket expenses incurred in conducting a business activity, such as wages, rent, and materials.