Which type of light ranges from 300 to 1,000 watts and is advantageous where illumination is needed away from the apparatus?

A 29-year-old woman, who is 38 weeks pregnant, presents with heavy vaginal bleeding, a blood pressure of 70/50 mm Hg, and a heart rate of 130 beats/min. She is pale and diaphoretic, and denies abdominal cramping or pain. Her signs and symptoms are MOST consistent with a/an:

A: ruptured ectopic pregnancy. B: placenta previa. C: ruptured ovarian cyst. D: abruptio placenta.

Certification and/or licensure to expose dental radiographs

A) is regulated by individual state laws, which may vary. B) is not required in all states if one has accredited training. C) may or may not be regulated by the dentist/employer. D) is required by law in all 50 states and the District of Columbia.