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A 43-year-old member asked:

what factors influence the time necessary for a nerve impulse to be transmitted?

1 doctor answer4 doctors weighed in
Dr. Bennett Machanic
Neurology 52 years experience
Milliseconds: Nerve impulses in arms and legs typically travel at speeds over 40-50 meters/sec, as measured by EMG equipment. Nerve size, local temperature, chemical balance, especially sodium and potassium, can all affect appropriate nerve velocity speeds.

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A 35-year-old member asked:

Describe what is nerve impulse?

1 doctor answer3 doctors weighed in
Dr. William Singer
Pediatric Neurology 51 years experience
Electrical transmiss: Information travels down a nerve as an electrical impulse. At the end of the nerve, the connection with nerves, muscles or glands is called a synapse, by chemicals called transmitters.

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Last updated Jun 20, 2015
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