______________ theory proposes an explanation of referred pain based on the fact that many nerves share the same nerve root

Which of these is NOT a component of the dental x-ray film packet?

a. Black paper wrapping b. One or two films c. Moisture-resistant outer wrapping d. Aluminum foil

Which of the following examples of public health statutes is enforced by citations for noncompliance?

A. vaccinations to enter school B. spraying communities for mosquito control C. smoking bans D. fluoride in the public water supply E. food supply inspections