RDA exam questions and answers

RDA exam questions and answers 1. Film speed refers to the -Answer-. Sensitivity of the film Darkroom infection control guidelines may include. -Answer-Barriers placed on counters tops. Change gloves or use over gloves. After all films are in the processor, wash and dry hands. Radiation units and measurement are measured by: -Answer-Amount of x-ray energy produced by an x-ray unit Amount absorbed by the body What absorbs more of the long wavelength radiation, not useful in producing diagnostic imaging? -Answer-Aluminum filter Radiographic equipment that can be sterilized include -Answer-Film holder The embossed dot should face up when mounting -Answer-yes true The optimum condition for processing in a manual processor is Develop for 10 minutes @ 68-70 degree -Answer-true Determining correct exposure times when different cone (BID) lengths are utilized and minimizing operator exposure is determined by the: -Answer-ALARA principle X-ray are produced when a high speed electron strikes a -Answer-Target What is the error is the film has a clear crescent or clear corner: -Answer-Foreshortened When using the panoramic machine there is no need to wrap the unit -Answer-true A herringbone or tire track pattern on a radiograph is a result of: -Answer-Film bending Whether using the manual or automatic processing techniques, improper handling can result in : -Answer-Films sticking together The varying shades of gray on a processed radiograph is termed: -Answer-Contrast The purpose of this film is to record a major portion of the maxilla or mandible on one film. -Answer-Occlusal ________________-is the time between exposure to radiation and the time the effect becomes visible -Answer-Latent period The two types of digital systems include: -Answer-Wired CCD and Wireless PSP Exposure to radiation can best be reduced for patient by? -Answer-Use of F speed film Using the "F" speed film can reduce the radiation exposure to the patient by: -Answer- 50% Anatomical structures that appear dark gray to black on a processed radiograph are described as being: -Answer-Radiolucent Solution exposure to air and light with the manual processing technique can be avoided by using a : -Answer-Tank cover Time temperature processing means the -Answe