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

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Definitions:

Grand Mean

The mean of means, calculated by taking the average of several group means.

Completely Randomized

A design in experiments where all subjects have an equal chance of being assigned to any group or treatment.

Factorial Design

An experimental strategy used to test the effect of two or more variables across multiple levels simultaneously.

Statistical Conclusions

Inferences or deductions made from statistical tests about the data or population parameters.