Which of the Following Physiologic Changes Caused by Aging Is

question 1

Multiple Choice

Which of the following physiologic changes caused by aging is the most likely contributor to the high mortality rate in older trauma patients compared with younger trauma patients?

• A) Deterioration of cerebral and motor skills
• B) Poor vision and hearing
• C) Diminished pain perception
• D) Limited cardiovascular physiologic reserve in the elderly

---

Definitions:

Marginal Cost

The cost of producing one additional unit of a good or service, often used in decision-making to determine the optimal level of production.

Average Total Cost

The total cost of production divided by the quantity of output produced, representing the cost per unit of output.

Marginal Revenue

The supplementary earnings obtained by selling one more unit of a good or service.

Profit-Maximizing

The process or strategy of adjusting production and pricing to achieve the highest possible profit.