A 35-year-old female client complains of a lightening of her skin color when she moves to a city where the temperature is very low
Based on this information, what can the nurse explain as the best reason for the cause of changes in skin color in the client? A) Low level of calcitriol
B) Lack of oxygen in blood stream
C) Constriction of capillaries
D) Loss of subcutaneous fat
C
Feedback:
The nurse should identify the reason as constriction of capillaries, which reduces the amount of heat lost through the skin. Blood vessel constriction, shivering, and "goose flesh" are thermoregulation processes that help warm the body. When the body becomes too cool, dermal capillaries constrict (narrow), reducing the amount of heat lost through the skin. This constriction of superficial capillaries also causes the skin color to change to a more pale color. Low level of calcitriol and lack of oxygen in the blood stream are not known to cause a change in skin color as a result of a climatic change. Loss of subcutaneous fat occurs only among older adults and not among middle-aged adults.
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