Brain surgery on a human patient is often accomplished with local anesthetic instead of general. Recognizing that the first principle in medicine is to do no harm, give reason as to why it is ethical and often preferred to have the patient awake during brain surgery.
What will be an ideal response?
Local anesthetic is sufficient to eliminate the pain from the surgery, and since there are no pain receptors in the brain tissue itself there is no sense of pain from the procedure. There is an advantage in having a patient awake for certain brain surgeries to provide the surgeon with additional feedback as to function of specific regions, as a patient can indicate any sensation triggered by mild stimulation of a region. This can allow a surgeon operating to have the security of knowing that a minimal amount of damage may be done. Thus, the absence of pain receptors in the brain indicates no harm will come (the ethical component) and the potential feedback gives possible improvement of the procedure (the advantage to this method).
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What will be an ideal response?
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