New Hampshire Barber Practice Exam

Nerves may be stimulated by massage, heat rays, and moist heat. The other options listed in the choices may have physical properties that could stimulate the nerves, but they are not typically used for this purpose and may even cause harm. A Cold rays, dry ice, and solid carbon dioxide can actually numb the nerves and cause damage if not used properly. C: Electricity, magnetism, and radiation can also have negative effects on nerves and are usually used for diagnostic purposes rather than stimulation. D: UV light, infrared light, and microwaves have different wavelengths and energies that do not typically stimulate nerves in the same way as massage, heat rays, and moist heat.