Transcutaneous electrical nerve stimulators (TENS) can be used as a non-pharmacological method of pain relief as they:
a. encourage the pain impulses to travel into theTENS machine rather than into the brain
b. increase the pain impulse transmission to thebrain so that the brain becomes ‘overloaded' andcannot feel the original pain.
c. block the transmission of pain impulses to thebrain.
d. increase the speed of the transmission of pain
impulses to the brain so that the effect is
minimised.
c
By producing a tingling or vibrating sensation in the
painful area, the pain impulses to the brain are blocked.
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