The patient has a 15-cm laceration on his right forearm, and an infection develops. Which of the following is a sign of an acute inflammatory process?
a. A blanching of the skin
b. A decrease in temperature at the site
c. A decrease in the number of white blood cells (WBCs)
d. A release of histamine that adds to the pain response
D
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A The skin is not blanched; rather, with the increase in local blood flow, it is reddened.
B The symptom of localized warmth results from a greater volume of blood at the inflammatory site.
C The cellular response of acute inflammation involves WBCs arriving at the site, creating an increase in WBCs, not a decrease.
D A sign of an acute inflammatory process is pain. The swelling of inflamed tissues increases pressure on nerve endings, causing pain. Chemical substances such as histamine also stimulate nerve endings, adding to the pain response.
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A patient grieving the recent loss of her husband asks of she is becoming mentally ill because she is so sad. The nurse's best response would be,
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