Quality Control Radiographic Equipment Practice Test 2026 - Free Radiographic Equipment Practice Questions and Study Guide

Question: 1 / 400

Which of the following best describes the relationship between mAs and image density?

Higher mAs results in lighter images

Lower mAs produces higher image contrast

Increased mAs generally leads to increased image density

The choice stating that increased mAs generally leads to increased image density is accurate because mAs, or milliampere-seconds, directly influences the amount of radiation exposure received by the imaging receptor. When mAs is increased, more x-ray photons are produced, which results in a greater amount of radiation reaching the detector or film. This increase in exposure typically leads to a darker image, as denser images denote greater concentration of radiation on the film or detector. Therefore, as the mAs value rises, image density increases in a predictable manner, creating a correlation that is fundamental to radiographic imaging practices. Understanding this relationship is crucial for radiologic technologists in order to achieve optimal image quality and diagnostic efficacy.

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mAs has no effect on image density

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