DANB Radiation Health and Safety (RHS) Practice Exam

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Prepare for the DANB Radiation Health and Safety Exam. Utilize interactive flashcards and multiple choice questions with explanations to enhance your knowledge in radiation safety. Achieve confidence and clarity on your exam day!

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A decrease in the MA (milliampere) will have what effect on the density of the radiograph?

  1. true

  2. false

The correct answer is: true

A decrease in the milliampere (MA) setting directly affects the exposure of the radiograph. The MA controls the number of electrons produced in the x-ray tube, which in turn determines the number of x-rays generated during the exposure. When the MA is decreased, fewer x-rays are produced. As a result, the density of the radiograph will decrease, meaning the radiograph will appear lighter. This occurs because fewer x-rays reach the film or digital receptor, leading to less exposure and, consequently, a less dense or lighter image. Understanding this relationship is crucial for manipulating exposure settings to achieve the desired radiographic qualities for accurate diagnostics.

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