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

Question

Quizplus · Accepted Answer

Older adults have limited ability to increase their heart rate in response to blood loss, obscuring one of the earliest signs of hypovolemia-tachycardia.Loss of physiologic reserve and the presence of pre-existing medical conditions are likely to produce further conflicting hemodynamic data.An older patient's lack of physiologic reserve makes it imperative that early nutritional support is initiated.

Which of the Following Physiologic Changes Caused by Aging Is