ACS Chemistry Practice Exam 2026 – The All-in-One Guide to Exam Success!

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Which type of radiation is often used in medical imaging?

Visible light

Infrared radiation

X-ray radiation

X-ray radiation is commonly used in medical imaging due to its unique ability to penetrate soft tissues and be absorbed by denser structures like bones. This property allows for the creation of images that highlight the differences between various tissues in the body, making it an invaluable tool for diagnosing conditions, understanding injuries, and planning treatments.

In X-ray imaging, the radiation passes through the body and is captured on a detector or film, producing a clear image. The varying absorption rates of different tissues result in contrasts that are essential for interpretation by medical professionals.

In contrast, visible light and infrared radiation do not penetrate the body sufficiently to generate clear internal images, and while microwave radiation can be used in certain applications (like MRI), it does not provide the same level of detail for anatomical structures as X-ray radiation does.

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Microwave radiation

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