A rule of thumb is that if the image is so dark that nothing is visible, the mAs should be cut back to __________ of what was originally used and the examination retaken.?

An IR that is large enough to extend at least 1 inch (2.5 cm) beyond the elbow and wrist joints for a forearm projection is

a. needed to record the elbow and wrist on the image. b. needed so the beam can be tightly collimated. c. not a required positioning procedure. d. needed only when a joint problem is suspected.

Which of the following oxygen concentrators has an attachment that can fill portable oxygen cylinders?

A) AirSep VisionAire3TM B) Invacare Perfecto2 V C) AirSep NewLife Intensity D) Invacare Platinum 10