A71-year-old immobile patient has been in his wheelchair for 2 hours. when repositioning him, the nurse observes a reddened area at the base of the buttocks. this observation would best be documented as a:
a. stage 2 at greater trochanter
b. stage 1 at ischial tuberosity
c. stage 1 on iliac crest
d. stage 0 on posterior superior iliac spine

The correct answer is option b.

Explanation:

If one is sitting for a prolonged time and experiences pain in the buttocks, it could be an issue associated with tuberosity in the pelvis, that is, ischial tuberosity. It is also considered as the seat bones or the sit bones  

The pain one experiences while sitting for a long time may be due to inflammation or irritation of the ischial bursa, that is, a fluid-occupied sac situated between the ischial tuberosity and the tendons, which associates the hamstring muscles with the bones.  

The given case, in which redness occurs signifies stage 1 at the ischial tuberosity, that is, the first stage of pressure ulcer taking place in the ischial tuberosity. The ischial tuberosity is situated in the base of buttocks.  

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