Which of the following skin changes is not normal in the elderly patient?
a. wounds take longer to heal
b. lentigo senilis may occur on the hands and face
c. the fingernails become thinner
d. the number of sweat glands decreases
C
It takes approximately 20 days for epidermal cells to be replaced in a young person, whereas in the older adult, this process takes about 30 days. Therefore, it takes longer for an elderly patient's wounds to heal. The development of lentigo senilis, or brown pigmented areas on the face, hands, and arms of older people, can cause the person concern over his appearance. These colorations are benign. Skin appendages — hair and nails — undergo changes as well. Hair becomes thinner, yet nails thicken and become more brittle. As a person ages, the number of sweat glands decreases; this can result in heat exhaustion.
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