The nurse is teaching a patient with Guillain-Barré syndrome about the disease. The patient asks how he can ever recover if demylination of his nerves is occurring. What would be the nurse's best response?
A) "Guillain-Barré spares the Schwann cell, which allows for remyelination in the recovery phase of the disease."
B) "In Guillain-Barré, Schwann cells replicate themselves before the disease destroys them, so remyelination is possible."
C) "I know you understand that nerve cells don't remyelinate, so the physician is the best one to answer your question."
D) "For some reason, in Guillain-Barré, Schwann cells become activated and take over the remyelination process."
Ans: A
Feedback: Myelin is a complex substance that covers nerves, providing insulation and speeding the conduction of impulses from the cell body to the dendrites. The cell that produces myelin in the peripheral nervous system is the Schwann cell. In Guillain-Barré syndrome, the Schwann cell is spared, allowing for remyelination in the recovery phase of the disease. Options B and D are incorrect because they give misinformation to the patient. Option C would frighten the patient and does not answer the question.
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