A Patient Who Is an Alcoholic for More Than 15

question 23

Multiple Choice

A patient who is an alcoholic for more than 15 years develops acute hematemesis. Esophageal varices are suspected as the cause. How do these varices develop?

• A) Increased vasodilation and decreased vasoconstriction (decreased norepinephrine)
• B) Fluid backing up into the abdominal cavity
• C) High pressure in the portal system vasculature that leads to engorgement
• D) Increased platelets

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Definitions:

Marginal Cost

The cost of producing one additional unit of a product, reflecting changes in variable cost as output is adjusted.

Average Cost

The total cost of production divided by the number of goods produced, providing a cost per unit of output.

Marginal Revenue

The incremental revenue resulted from the sale of one more product or service unit.

Total Revenue

The entire amount of income generated by the sale of goods or services.