The nurse knows that plasmapheresis is being utilized in the treatment of the patient with Guillain-Barre' syndrome for which of the following reasons?
A) Removal of anti-acetylcholine receptor antibodies
B) Reduction in the number of bacteria in the bloodstream
C) Decrease in antibodies attacking peripheral nerve myelin
D) Removal of potassium and fluid
Ans: C
Feedback: Plasmapheresis and IV immunoglobulin (IVIG) are used to directly affect the peripheral nerve myelin antibody level. Both therapies decrease circulating antibody levels and reduce the amount of time the patient is immobilized and dependent on mechanical ventilation. In myasthenia gravis, plasmapheresis is used to remove anti-acetylcholine receptor antibodies. Antibiotics reduce the number of bacteria in the bloodstream. Hemodialysis removes fluid and potassium.
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