An 85-year-old patient asks why she always feels so cold. What should the nurse's response include?
Select all that apply.
1. "Heat sensors in the blood vessels lose sensitivity with aging."
2. "Your body metabolism is slowing the amount of blood flow."
3. "Blood vessels don't constrict as quickly with aging."
4. "Aging causes a layer of the blood vessels to stiffen."
5. "One layer of the blood vessels gets thinner with aging."
Correct Answer: 3, 4, 5
Age-related changes to the tunica media layer of the blood vessels cause inefficient vasoconstriction, decreased CO, and reduced muscle mass and subcutaneous tissue, resulting in a reduced ability to respond to cold temperatures. The tunica media layer thins, and elastin fibers calcify; the increase in calcium results in stiffening. There is no evidence that heat sensors in the blood vessels lose sensitivity as an age-related change. Slowing of the metabolism does not necessarily slow the amount of blood flow.
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