A 35-year-old female is diagnosed with multiple myeloma. Biopsy of the tumor reveals Russell bodies, and laboratory testing reveals kidney dysfunction
Which substance should the nurse monitor as it is accumulating in the patient's body?
a. Glycogen
b. Protein
c. Pigment
d. Melanin
ANS: B
Russell bodies occur due to excess aggregates of protein. Excess glycogen would affect blood glucose. Increased pigment would not lead to kidney dysfunction. Melanin accumulates in epi-thelial cells (keratinocytes) of the skin and retina.
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