Late one night, you are called for a patient with an acute onset of altered mental status. You find that the elderly patient is confused and combative. His medical history includes hypertension, diabetes and kidney failure. Which of the following is the MOST likely cause of his altered mental status?

Which of the following is NOT part of the scene size-up phase of the patient assessment?

A) Mechanism of injury B) Patient vital signs C) Nature of illness D) General impression

A less divergent x-ray beam will:

a. increase the radiation dose to the patient. b. result in lower-quality radiographic images. c. create a smaller diameter of exposure. d. require added filtration.