Document informed consent to immunization.

Which of the following is an example of a legal duty to act?

a. A trained Emergency Responder is the only witness to a late-night vehicle accident. b. An untrained employee of a large manufacturing company witnesses the sudden collapse of a coworker on the plant floor. c. An Emergency Responder working as a law enforcement officer is dispatched to a medical emergency. d. A trained Emergency Responder offers to help a neighbor's injured child.

Each of the following statements regarding patients who refuse radiographs is correct except one. Which one is the exception?

A) The dentist must consider whether care can be provided without the radiographs. B) A patient who does not want radiographs may sign a document releasing the dentist from liability. C) Patients may believe radiographs are not necessary or that they will add to treatment costs. D) Patients may be fearful that dental x-ray exposure will be hazardous to their health.