<prompt> Which of the following nerve stimulation may be considered for treatment of ADHD?Vagal NerveFacial NerveTrigeminal NerveTrochlear Nerve  <response>: Ans. C. Trigeminal nerveExternal Trigeminal Nerve Stimulation eTNS System is indicated for patients ages 7 to 12 years old who are not currently taking prescription ADHD medication and is the first non-drug treatment for ADHD granted marketing authorization by the FDA. 