The nurse is gathering objective data for a client at the clinic complaining of arthritic pain in the hands. The nurse observes that the fingers are hyperextended at the proximal interphalangeal joint with fixed flexion of the distal interphalangeal joint. What does the nurse recognize this deformity as?
a) Ulnar deviation
b) Boutonnière deformity
c) Rheumatoid nodules
d) Swan neck deformity
Answer: d) Swan neck deformity
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