Which category covers drugs with a currently accepted medical use in the United States that also have a high potential for abuse?

Which of the following guidelines would the EMT follow when talking down a patient with a drug-related emergency?

A) Calmly explain to the patient that this is a consequence of abusing drugs. B) Be authoritative and orient him to place and time frequently. C) Inform him that restraints will be used if he does not listen to you. D) Make frequent physical contact with the patient to establish trust.

Which of these is not a shadow-casting principle?

A) A large focal spot B) Long target—image receptor distance C) Short object—image receptor distance D) Parallel object—image receptor relationship