Code for the dilation of the vagina under anesthesia (non-local)

When inserting a nasopharyngeal airway, the EMT should remember that:

A) The patient cannot be responsive or have a gag reflex B) An oil-based lubricant is needed for smooth insertion C) The head-tilt, chin-lift maneuver or jaw-thrust maneuver is not needed after insertion D) The nasal mucosa may bleed even with proper insertion

Radiographic room A is a three-phase, 6-pulse generator. Room B is a high frequency generator. When going between these two rooms to perform examinations, what exposure modification is necessary to produce comparable exposure density?

a. Use 15% more with the three-phase system. b. Use 10% more with the high frequency system. c. No change is required between the two systems. d. Use 10% less with the high frequency system.