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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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colleen colleen
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11 years ago
A nurse is caring for an African American patient who has an ashen cast to his normally black skin. Which of the following labs test would the nurse review when looking for a possible cause of the skin color change?
1. BUN
2. hemoglobin and hematocrit
3. bilirubin
4. oxygen saturation
5. arterial blood gases
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#1
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11 years ago
2 -- Decreased hemoglobin and hematocrit indicate anemia, which presents in black skin as dullness and an ashen cast. BUN levels are associated with kidney function and may appear as yellowish green color in the sclera of the eye. An elevated bilirubin level is seen as yellowing of the skin especially evident in the palms of the hands in dark-skinned individuals. Decreased oxygen saturation or low arterial blood gas levels present as cyanosis or a bluish discoloration noted in nail beds in dark-skinned individuals.
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