A person at the scene of an emergency who knows that another person is exposed to or has suffer harm shall give reasonable assistance to the exposed person {Ans: } Good Samaritan LawGeneral supervision {Ans: } The dentist has prior knowledge and has given consent for the procedures being performed during which the dentist is not required to be present in the dental office or on the premises.Indirect supervision {Ans: } The dentist is in the office, authorizes the procedures, and remains in the office while the procedures are being performed by the allied dental personnel.Direct supervision {Ans: } The dentist is in the dental office, personally diagnoses the condition to be treated, personally authorizes the procedure, and before dismissal of the patient, evaluates the performance of the allied dental personnel.Personal supervision {Ans: } The dentist is personally operating on a patient and authorizes the allied dental personnel to aid in treatment by concurrently performing supportive procedures.DH, DT or DA must do these before administering nitrous {Ans: } Take a course with a minimum of 12 hours total comprised of didactic instruction, personally administering and managing at least 3 individual supervised casesWho can place sealants after completing a course by