For which older patient should the nurse suspect a decline in the responsiveness of the immune system?
1. 78-year-old patient with pneumonia and temperature of 99.5°F
2. 68-year-old patient with a red itchy rash from contact with poison ivy
3. 80-year-old patient with swelling and redness around an abdominal incision
4. 66-year-old patient with 8 mm induration from a mumps skin test 72 hours earlier
1. 78-year-old patient with pneumonia and temperature of 99.5°F
Explanation: 1. The febrile response that signals infections may be blunted in the older person. The baseline body temperature in older people is approximately 1°F lower than the normal temperature in younger people. A rise in body temperature may not be immediately evident.
2. A red itchy rash from poison ivy is an expected immune response.
3. Swelling and redness around an incision is an expected immune response to an infected wound.
4. An area of induration after a mumps skin test is an expected immune response to exposure to the virus.
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