Narcotic analgesics are a class of medications that inhibit pain signals at certain receptor locations in the brain and spinal cord. Option 1 is correct.
For the treatment of moderate to severe pain, doctors may prescribe narcotic painkillers.
They are best suggested for the short-term, acute pain alleviation caused by medical disorders or pain that happens right after surgery.
The type of drugs that kill pain by blocking impulses at specific receptor sites of the brain and spinal cord will be narcotic analgesics.
Hence,option 1 is correct.
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