DANB Radiation Health and Safety (RHS) Practice Exam

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Prepare for the DANB Radiation Health and Safety (RHS) Test. Use flashcards and multiple choice questions with detailed explanations. Boost your confidence and excel on exam day!

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What film holding device is utilized for the paralleling technique?

  1. Patient's finger

  2. Hemostat

  3. Snap-a-ray

  4. XCP

The correct answer is: XCP

The correct choice highlights the use of the XCP (Extension Cone Paralleling) film holding device in the paralleling technique, which is a standard method in dental radiography. This technique aims to ensure that the film or sensor is placed parallel to the long axis of the tooth being imaged. The XCP device is specifically designed for this purpose, allowing for precise positioning of the film while minimizing distortion of the radiographic image. By holding the film in the correct position, the XCP device helps to achieve the most accurate representation of the tooth's anatomy, which is essential for proper diagnosis and treatment planning. The use of an appropriate film holder also enhances patient comfort, reduces the need for retakes due to improper positioning, and protects the patient from unnecessary exposure. In comparison to other options, while a patient's finger and a hemostat can be used to stabilize the film, they do not provide the same level of accuracy and patient safety as the XCP. The Snap-a-ray, although it can hold the film, does not align with the principle of paralleling as effectively as the XCP device does. The XCP is specifically engineered to support the paralleling technique, making it the most suitable choice for this practice.