Arkansas State Barber Practice Exam

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Nerves may be stimulated by all of the following EXCEPT:

  1. Moist heat

  2. Chemicals

  3. High-frequency current

  4. Dry cold

The correct answer is: Dry cold

All of the other options listed can effectively stimulate nerves. - Moist heat can stimulate nerves due to its vasodilation effects which increases blood flow and nerve sensitivity. - Chemicals such as neurotransmitters and drugs can stimulate nerves when they bind to specific receptors. - High-frequency current can stimulate nerves through the passage of an electric current. This is often used in devices such as TENS units for pain relief. - Dry cold, on the other hand, does not have any known properties that can stimulate nerves. In fact, it can have the opposite effect and cause numbness or decrease nerve sensitivity.

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