RHS Exam: Quality Assurance and Radiology Regulation

How frequently should processing solutions be changed? Correct Answer: Daily. The optimum developing solution temperature for manual processing is... Correct Answer: 68 degrees F. Emulsion damage to a film is caused by Correct Answer: Improper handling of the film. How often should step wedge quality control tests for a dental x-ray machine be conducted? Correct Answer: Daily. The American Dental Association recommends that radiographs be mounted with embossed dots... Correct Answer: all facing the same direction. What is the first step in processing radiographic film? Correct Answer: Developing. The optimal temperature in automatic processing is? Correct Answer: 80-95 Degrees F. When using an automatic processor, how many seconds should be allowed between the insertion of each dental film? Correct Answer: 10 seconds. During the processing of x-ray film, the removal of the halide portion of the exposed silver crystals is called? Correct Answer: Reduction. Radiographs appear dark after processing when the developing solution is? Correct Answer: Too warm. What condition will result in a radiographic image that is too light? Correct Answer: Weak developing process. What happens when two films contact each other during processing? Correct Answer: Overlapping films. What increases the density on duplicated film? Correct Answer: Decreased exposure time. What may cause film fogging? Correct Answer: Using expired film. Processing tanks should be cleaned when the... Correct Answer: solutions are changed What will cause white spots to appea