Which spill control and confinement tactic involves applying water to a water-soluble material in order to reduce the hazard?

After successfully rewarming a foot and frozen toes, the EMT should:

A) cover the foot and toes with dry, sterile dressings. B) gently massage the foot and toes. C) ambulate the patient to ensure return of adequate motor function. D) place the foot below the level of the heart to enhance circulation.

For which of the following services is it ethical for a physician to bill? 

A. An office visit B. Dispensing a drug C. Making a referral D. Office pamphlets E. Parking access