A Patient Has a Circular,flat,reddened Lesion About 5 Cm in Diameter

question 8

Multiple Choice

A patient has a circular,flat,reddened lesion about 5 cm in diameter on his ankle.How does the nurse know that the lesion is related to vessel dilation?

• A) The lesion is painless.
• B) The lesion is warmer than the surrounding skin.
• C) The discoloration disappears when the leg is elevated.
• D) The discoloration blanches temporarily with direct pressure.

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Definitions:

Marginal Cost

The cost of producing one additional unit of a product or service, crucial for pricing and production decisions.

Purely Competitive Firm

A business operating in a market where there are many buyers and sellers of a homogeneous product with no single entity able to influence the market price.

Normal Profits

The minimum level of profit needed for a company to remain competitive in the market, also seen as the opportunity cost of capital.

Purely Competitive Firm

A business operating in a market where there are many buyers and sellers, with none being able to influence prices significantly by their individual actions.