What does a primary care physician use to determine which type of specialist a patient should see?

A large scale test developed for evaluating performance of materials that may not remain in place during the tunnel test is:

A) NFPA® 265 B) NFPA® 286 C) ASTM-E84 D) ASTM-E89

Each of the following is an objective of quality control EXCEPT one. Which one is the EXCEPTION?

a. Maintain a high standard of image quality. b. Identify problems as soon as image quality is compromised. c. Keep patient and occupational exposures to a minimum. d. Reduce the occurrence of retake radiographs.