Corectec ARRT Practice Exam

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When placing multiple images on a CR cassette, which of the following is NOT a requirement?

The same exposure settings for all images

Covering unexposed areas with lead

Making sure all images are collimated

All images must be taken within a specific time

The requirement that is NOT applicable when placing multiple images on a CR cassette is that all images must be taken within a specific time. This is because there is no strict time constraint governing when images need to be taken in relation to each other on the same cassette. Each image is processed independently of the timing, as long as the exposure settings and positioning are consistent.

The requirement to use the same exposure settings for all images is crucial because differing exposure factors can lead to inconsistent image quality and might complicate the interpretation of the images. Additionally, covering unexposed areas with lead is important to prevent scattered radiation from fogging those areas, ensuring clear and usable images. Moreover, ensuring that all images are properly collimated is necessary to optimize the radiation dose and improve the quality of the resulting images, as collimation helps to define the area of interest and reduces unnecessary exposure.

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