You are caring for a terminal patient who has just had a cordotomy for intractable pain. What is a cordotomy performed for?
A) To reroute the transmission of pain
B) To destroy neuronal dysfunction
C) To reduce nociceptive input
D) To interrupt the transmission of pain
Ans: D
Feedback: Cordotomy is performed to interrupt the transmission of pain. Care is taken to destroy only the sensation of pain, leaving motor functions intact. Option A is incorrect; a cordotomy does not reroute the transmission of pain. Options B and C are incorrect; destroying neuronal dysfunction and reducing nociceptive input are done by rhizotomy.
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